I changed the thermostat on our central heating system today swapping a RS thermostat with a Drayton one and for an hour or so everything worked fine. Also tried to disconnect 2 contrators for auxiliary heat with no help. I checked and the furnace was off, fuse blown and thermostat was asking for cool. 2x 1500W pulls 6.3a at 240V The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. Heat pumps are electrical units that provide central heating and cooling year round. Joined: 6 Mar 2009 Messages: 8 Thanks Received: 0 Location: Bournemouth Country: boiler is potteron flamingo system has header tank in loft 2 floors above. December 22, 2019. I have a Honeywell HZ322 zone controller. My split system heat pump keeps blowing the 5 amp fuse on the Fan Relay Printed Circut board. The next morning I went out and the 3 amp fuse was blown, so I replaced it and went inside to turn the heater on. Dirt. [ATTACH]101680[/ATTACH], Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls. You could try just connecting the R and C connections. I do not know if the fuse blew during operation, shutdown, or when the next request for cool happened. All rights reserved. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. It always seem to blow just when we turn the temp. why is this-whats the cause out of interest? [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. Could it be causing this issue? I am still popping fuses and reading over 24 volts. Unlike other heating systems, they don't generate heat but rather transfer it from one place to another within a home. The first time it blew, the technician replaced the fuse and the system still wouldn't start. The first time it blew fuse, I My furnace is a Concord model CG90UB. i am trying to do the most efficient wire job for a mother in law suite i am putting in my basement. There’s a problem that’s causing your heat pump to pull more power than it should. Heat pump not heating. I have read that this is often caused by the pump or fan. I have a Goodmand Heat Pump Package Unit M#GPH1342M41AC unit is about 7 months old. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. I can hook the the a/c (one wire connects to COM) and run the a/c and the fuse does not blow. 5 months later. I've disconnect the C and Y terminals on the air handler control board plus the CNT terminal which goes to the contactor without help. Is the HP not telling the furnace to come on? I've removed low voltage wires coming from thermostat and ac unit and I've removed the 9 pin connector for the 24 volt circuit within the furnace. N ever had a problem with the a/c in the last 10 years and now I have this problem. Might be two conductors touching,causing a short circuit or someone has monkeyed with it before. If your heat pump is not blowing cool or warm air, or if it is not coming on, check the fuses and reset them, if necessary. It went directly to backup system. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. Last night I changed the tstat hoping it was that and it … read more. They also ran the thermostat wire through the 2" hole. Matt Vernon New Member. and thermostats are cadet 7 day programmable rated each to 3600w. Hi Gary! If the refrigerant level is low, your AC system has to work harder. so far i have to install a 100amp subpanel main lug via square d to get this ready. Send help. There are a number of reasons why your air conditioning system keeps blowing a fuse. up. Yes..... from each wire to ground. I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. I let the unit run the A/C. Heat works fine. Any suggestions would be appreciated. Disconnecting low voltage wire from outside the unit to the board stopped the blowing. (, (You must log in or sign up to reply here. The 3 amp fuse has blown today in the spur supplying it. Common Reasons Your AC Fuses Keep Blowing. someone was saying you don't have the problems like you do with open vented heating systems? View our Privacy Policy here. 1 of 2 Go to page. Heat works fine. Just connected all wires to zone board and disconnected wires to defrost board. Use a Ohm meter to check the Resistance between the contacts, usually where the wires land on the heater unit. 4.8 out of 5 stars 101. Our boiler has no fan so I presume it is the pump. home improvement and repair website. After putting my old Honeywell (CT3600) t-stat back on, the system ran fine for a few hours then blew the fuse again (upon the start of a cycle). Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. However, one of the most common causes of heat pump system failure is tripped circuit breakers or blown fuses. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat pump to do its job. Now even a 5 amp fuse blows when system starts. It always seem to blow just when we turn the temp. 3-amp fuse on air handler keeps blowing. Coronavirus Update: We care about your health and continue to service our customers safely. NTE Electronics R59-3A Thermal Circuit Breaker, Fuse Holder Type, 0.250" Quick Connect Terminal, 0.069 Ohms, 3 Amp . I did some researching and found out it was the 3A fuse. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. My Ruud Furnace(achiever 90 Plus) keeps blowing the 3 amp fuse. any truth in this? Impedance across condenser contactor is 12.4 and impedance across reversing valve coil is 12.9. So I replaced the fuse, put the panel back on, and it didn't turn on. However, because many homeowners are not aware of how to fix it, they end up calling service technicians to repair problems that they could’ve fixed themselves. I am wondering what you think could be the problem to prevent these nuisance trips. Discussion in 'Plumbers' Talk' started by Matt Vernon, Nov 12, 2016. Heat pump blowing fuses? I can have the unit on AC and it runs fine without blowing a fuse but as soon as i switch it to heat it blows the fuse. The installer has replaced the two pole switch a couple of times in that time. 3 amp fuse blows as soon as A/C is turned on. Heat pump blowing fuses? I am a big dIYer and am trying to fix my HVAC. gotoman for ac. Some of the most common problems are: Low refrigerant. The fuel pump was bad and was replaced under warranty. Since some furnaces can require a lot of electricity, homeowners must ensure that they have an adequate electrical system to support the furnace. Blows the 3 amp fuse on the control board for my Goodman AC unit. As of today, the board no - Answered by a verified HVAC Technician last guy replaced board already. 4 times a month. Just driving and then loud buzzing alarm noise in car! Discussion Starter • #1 • Feb 22, 2012. During those hot and muggy summer months, or during those subzero cold winter months, heat pumps can ensure room temperatures are comfortable for your entire family. Boiler internal fuse keeps blowing. Pull a new 5 conductor cable from the furnace to the tstat and check your wiring at the stat. The HP has a thermocouple mounted to the outside wall. Fuse doesn’t blow. Heat pumps are electrical units that provide central heating and cooling year round. If you fix the fuse once and it immediately blows again, you have a much larger problem on your hands that seriously needs to be addressed. If the transformer was gone you wouldn't be blowing fuses. Reply. Any suggestions? Why? Sounds like no short there. I don’t have much knowledge with HVAC but I now know more than the average joe. Also if it helps, I've previously noticed that when the temperature goes below 14F the condenser on a few occasions will make a a loud buzzing sound without the fan going. That's correct, the zone board runs off a separate breaker/transformer. I found that the transformer in the air handler is blown along with the 3amp fuse. You may freely link Most of the time when low voltage fuses blow on the control board it is usually caused by a direct short to ground in the thermostat wires. I have checked all leads/cables in the airing cupbaord are not pinched/uninsualted and there are no water leaks evdient. When the fuse is replaced, the system works great. I tried the heat on the furnace and it works just fine. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … Thanks! I don't know anything … I don't know anything … Last night I changed the tstat hoping it was that and it … read more Seems like this is likely an electrical short given how quickly the fuse goes with no request for heat or fan on the zone controller. DoItYourself.com®, founded in 1995, is the leading independent 99. You need to find the root cause of the blown fuse on the furnace circuit board before you cause damage to the unit. Hi Gary! So I'm working on a sure comfort Nat gas furnace. Right now the outside temp is 25 degrees. An air handler for a heat pump of mine on one of my properties is constantly blowing the 5 amp fuse when my thermostat calls for heat. Asked November 22, 2016, 1:38 PM EST. That’s what I was going to do next, test with defrost board disconnected. If the airflow to your unit is blocked by snow, ice, leaves or another type of debris, this can make it hard for the heat pump to do its job. Hi, My electric went out and when it came back on my thermostat kept clicking and my heater/air conditioner was not working. The fuse goes even when no heat is requested. $6.99 $ 6. All information is provided "AS IS." When the fuse is replaced, the system works great. There are two wires that go outside. I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse blew. The Furnace Fuse Keeps Blowing. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. My hvac blower control board keeps blowing the 3 amp fuse as soon as the heat cuts on, whats the deal? Solved, see below. 1x 1000w pulls 4.2a at 240v Should I get a replacement defrost board? We had a power cut recently and boiler (old Potterton oil boiler) went dead and realised fuse inside boiler had blown. I want it fixed so my heat pump … (homeowner says that last night she put ac on and it started and then this morning fuse was blown. WTH? Furnace fuse keeps blowing? However, when I switch to the a/c, it blows the 3 amp fuse immediately. My heat pump keeps blowing the fuses as fast as I replace them. For the last 6 months we've been having to replace the 30 amp fuses outside approx. Since some furnaces can require a lot of electricity, homeowners must ensure that they have an adequate electrical system to support the furnace. When I snap the cover on, the 3-amp fuse in the air handler in the attic blows. Blowing Low Voltage Fuse Breaker Trip | Control Wiring Troubleshooting - I’ve got a 5 amp fuse that keeps popping on a circuit board. The 3 amp fuse on the board would blow instantly. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. Some of the most common problems are: Low refrigerant. hi all, after a bit of advice. Read More. Where do I go from here? A/c keeps blowing a 3 amp fuse on my furnace. make sure the wires are disconnected and the power is turned off. First, turn off the heat pump immediately and call a heating repair professional to find the problem. Need thermostat wiring colors for new thermostat. The issues we are having is the 3amp fuse keeps popping. Heat works fine. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. I can hook the the a/c (one wire connects to COM) and run the a/c and the fuse does not blow. In April I replaced a fuel pump in my S10. I have a 5 year old goodman heatpump with a 15 year old furnace. As soon as you request heat the fuse blows and when I try to run the fan to on nothing happens. Extending WiFi across yard to another home, How to fix a misaligned interior door lock. I am wondering what you think could be the problem to prevent these nuisance trips. Click here and learn how to fix it from the AC pros at Air Experts. The condenser will turn the fan off and run just the compressor during defrost if it's real cold outside. If you have been experiencing electric furnace problems (specifically the furnace fuse blows when the heat turns on) throughout the holiday season, you might have assumed the problem is those cheap holiday string lights. I have two Trane heat pumps. What I did for each wire is look for continuity between the condenser casing and each wire. A/c keeps blowing a 3 amp fuse on my furnace. The fuel pump was bad and was replaced under warranty. 60 Pack 3 Amp ATC Fuse Replacement Blade Style Standard Size 3A Fuses with Fuse Puller for Automotive Car Truck Boat. zones: 1- master and bathroom 2- great room (1500w x2&1000w) 3- kitchen & office with 500w I replaced the fuse and used the thermostat to turn the fan on followed by the heater then the A/C. Replaced fuse but every time switch on boiler it blows again immediately. The circuit breaker is doing its job by tripping and cutting the power before something worse (like an electrical fire) happens. I have a heat pump with natural gas backup. Heat Pump Breaker Trips - Richard, my breaker keeps tripping for my heat pump. what wire should i use and breaker? The air handler has a 5 amp fuse that blows almost every … I have goodman unit with furnace inside and and outdoor AC/heat. I have a 5 year old goodman heatpump with a 15 year old furnace. Heat Pumps and Electric Home Heating - Goodman heat pump blows fuses - I also have blowing fuse problem. We welcome your comments and It has no issues with fan and cool calls. The unit runs ok for a few days and presto the fuse popped again. Heat Pump Stopped Working After Power Outage, Blowing 3 Amp Fuse. The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. The Furnace Fuse Keeps Blowing. However, when I switch to the a/c, it blows the 3 amp fuse immediately. submitted to our "DoItYourself.com Community Forums". Disconnected wire from control panel and the fuse stays good (but the A/C of course doesn't turn on). Steve Arnold. I tried the heat on the furnace and it works just fine. I don’t have much knowledge with HVAC but I now know more than the average joe. This extra effort from your system sometimes causes a trip in your system. Tags: fuse blow; oil boiler ; ThatchedPhil New Member. It seems to be a nuisance trip on occasion, and it usually happens at the most inopportune time. 3 amp fuse keeps blowing (too old to reply) xl@lf 2010-03-09 14:57:13 UTC. Learn more from Air Experts! Discussion in 'Plumbers' Talk' started by ThatchedPhil, Nov 17, 2017. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. Any help would be appreciated. I was told it would automatically switch over to gas at a certain temp. Ok so no break in continuity for the wires from the zone controller to the condenser. 1995-2018 MH Sub I, LLC dba Internet Brands. Septic pump keeps blowing fuse. The unit was off and the 3 amp fuse was blown. December 22, 2019. However, when I switch to the a/c, it blows the 3 amp fuse immediately. Twice in less than a 12 hour period, my Carrier 58CVA furnace blew the 3 amp fuse in the control board. Hi, My electric went out and when it came back on my thermostat kept clicking and my heater/air conditioner was not working. Questions of a Do It Yourself nature should be Would you think this indicates a problem with the heat pump and not necessarily the gas furnace? Fan and heater work fine. I have Lennox ac system and the fuse #3 amp in blue wire keeps blowing. In the last three nights I've gone through 4 fuses. The thermostat said backup was on. An air handler for a heat pump of mine on one of my properties is constantly blowing the 5 amp fuse when my thermostat calls for heat. Heat Pump Breaker Trips - Richard, my breaker keeps tripping for my heat pump. Our boiler has no fan so I presume it is the pump. The air handler has a 5 amp fuse that blows almost every … The number of actual blown fuses in this country is becoming fewer and fewer as people continue to have their old fuse boxes replaced by new electrical panels 200-amp service, and circuit breakers. First, turn off the heat pump immediately and call a heating repair professional to find the problem. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. My car has 160000 miles. Any ideas? But for those who’ve recently encountered one common issue – a furnace blowing its fuse – before scheduling that tune-up, it may be due to one or more of the following reasons: 1. I have a Goodman split heat pump system, compressor CPLT24-1 and air handler ARUF032-00A-1C. It continues to blow fuse and they can't figure out what the problem is. If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. Heat pump not heating. 4 times a month. So I went and checked the fuse.. and it was blown. FREE Shipping on orders over $25 shipped by Amazon. I then opened up the air handler and found a blown fuse. 1 Posts . If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. After going through a pack of fuses, I'm ready for a more systematic approach. pump and diverter valve are in airing cupbaord in bathroom next to hot water … They put in new fuse and it ran fine till this week. Any suggestions? So, a few months ago my AC wouldn't kick on nor the fan or furnace. Took the panel off, and the fuse was blown again. This morning when I got up the temp was at 59 degrees and nothing but the blower running. The voltage out of the transformer reads 26.3 volts. Dirt. A heat pump that doesn’t turn on is a fairly common and easily remedied problem. DIY and save $300-$500. 3 Amp Fuse to Heating keeps blowing, why?!! Luckily, the solution is simple. Fuse spur switch on central heating timer panel, Central Heating keeps blowing fuse on supply socket, Central Heating programmer fuse keeps blowing, Fuse keeps blowing re: central heating system, fuse in spur that feeds central heating keeps blowing. For example, some of the issues that can be easily repaired by homeowners include:… Continue Reading Troubleshooting Problems With Your Heat Pump This guide to electric furnace troubleshooting explains the common causes and fixes. i am stumped. How do I test for short to ground? It's getting cold out tonight. could that even work? Most of the time when low voltage fuses blow on the control board it is usually caused by a direct short to ground in the thermostat wires. But for those who’ve recently encountered one common issue – a furnace blowing its fuse – before scheduling that tune-up, it may be due to one or more of the following reasons: 1. I also have blowing fuse problem. Is your air conditioner tripping the breaker and blowing a fuse? For example, some of the issues that can be easily repaired by homeowners include:… Continue Reading Troubleshooting Problems With Your Heat Pump They were all OL. 5 months later. If the refrigerant level is low, your AC system has to work harder. Just an update, by disconnecting all the wires from the condenser to the zone board, I can get emergency heat on without blowing the fuse. to this site, and use it for non-commercial use subject to our terms of use. As soon as you request heat the fuse blows and when I try to run the fan to on nothing happens. Thread starter Stevenfyeager; Start date Jan 25, 2019; 1; 2; Next . Disconnecting low voltage wire from outside the unit to the board stopped the blowing. Couple of days ago the system failed to run, in either heating or cooling modes, althought it ran fine a few days earlier in ac mode this year. You need to find the root cause of the blown fuse on the furnace circuit board before you cause damage to the unit. This can be the sign of an electrical problem, putting you at risk of a serious fire. Model #CB29M-41-2P AIR HANDLER. If your heat pump is not blowing cool or warm air, or if it is not coming on, check the fuses and reset them, if necessary. So it gets cold in the house and I realize I have not heat. Just bought a nuCamp 2021 T@b 400 Boondock, 28 DEC 2020 in PA. We love "Boony" and promptly drove across the country to bring her home to Arizona. For the last 6 months we've been having to replace the 30 amp fuses outside approx. Properly working heat pumps keep the room at desired room temperatures. Discussion in 'Plumbing and Central Heating' started by drpepperlover, 6 Mar 2009. with a sealed central heating system, do you need to balance radiators or is just leaving them fully open sufficient as under higher pressure?? up. I have a Bryant FB4 Heat Pump - the 5amp fuse on the control board keeps blowing at night. That's first time is blew in ac mode) I have checked voltages, amp of gas valve, shorts to ground, and cannot find any issue. ... All we can probably guess is that it is gas, having only a 3 amp fuse . Rut, hello all! The next morning I went out and the 3 amp fuse was blown, so I replaced it and went inside to turn the heater on. They put in new fuse and it ran fine till this week. My car has 160000 miles. Permalink. It's independent from the blown fuse. In April I replaced a fuel pump in my S10. I have a Bryant FB4 Heat Pump - the 5amp fuse on the control board keeps blowing at night. Heat Pump Stopped Working After Power Outage, Blowing 3 Amp Fuse. I’ll get a new board. The 5 amp fuse on my control board blows as soon as you ask for heat. The circuit breaker is doing its job by tripping and cutting the power before something worse (like an electrical fire) happens. Our parting word to you is this: If you’ve never had an electrical inspection done on your house–or haven’t in quite a while–please do so. Solved, see below. I was expecting the heat pump to come on but it didn't. Go. I have read that this is often caused by the pump or fan. model wise, all the baseboards are cadet softheat liquid filled. Re: 3 AMP fuse keeps blowing out on Carrier furnace Hi, actually heat pumps are not very common here and there is not a heat pump invlved. Can you help? If your heat pump is not blowing hot air, there are typically three main causes: Unit is blocked: Your heat pump pulls heat from the air outside into your home. During those hot and muggy summer months, or during those subzero cold winter months, heat pumps can ensure room temperatures are comfortable for your entire family. The 5 amp fuse on my control board blows as soon as you ask for heat. Location United States, Indiana. N ever had a problem with the a/c in the last 10 years and now I have this problem. Luckily, the solution is simple. second, should i just wire the 3 zones separately? … read more. I will start working on troubleshooting the wires to the outdoor unit. We replaced the thermostat in the house, that didn't help. baseboards i plan to install: Next Last. If jumped system would start and function fine. Common Reasons Your AC Fuses Keep Blowing. This can be the sign of an electrical problem, putting you at risk of a serious fire. This is what I wrote in this post: “If the fuse is blown check all your low voltage wiring to make sure it is not grounding out anywhere. The installers had drilled a 2" hole through the side of the building through the rim joist to run the line set through. It has no issues with fan and cool calls. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. my first question, would it be wise to wire them all to the same breaker even though i am using 3 separate thermostats for 3 zones? Or does the thermostat directly control the backup unit? He then determined it blew my Carrier Thermidistat. HVAC electrical troubleshooting. There’s a problem that’s causing your heat pump to pull more power than it should. The fuse goes even when no heat is requested. I tried the heat on the furnace and it works just fine. I replace the T-Stat wire from the stat to the unit, to ensure that the fuse was not tripping due to a pinched wire. In the last three nights I've gone through 4 fuses. The installers had drilled a 2" hole through the side of the building through the rim joist to run the line set through. I'm stumped. Then only raised it to 61 degrees. Basement Wall Leaks - Broken Water Pipes or something else? R and C blows the fuse! i have attached an image of the plan i have drawn up. Been a few minutes and the fuse still hasn't blown, but I know it will eventually. I have a furnace/coil that for the past 3 years has been blowing the 3 amp fuse on the board 2-3 times an entire heating season. The 3 amp fuse has blown today in the spur supplying it. Get it as soon as Fri, Jan 15. A process of elimination got it down to one wire, to the compressor outside. Just relocated my thermostat and did the bad thing not marking my wires. Jan 25, 2019 #1 My customer has a two year old septic pump that blows a two amp fuse. The number of actual blown fuses in this country is becoming fewer and fewer as people continue to have their old fuse boxes replaced by new electrical panels 200-amp service, and circuit breakers. Website operating Apparently theres been somebody else here already. Asked November 22, 2016, 1:38 PM EST. If the fuse keeps popping in your air conditioner, you have a 24 volt short. I have a White Rogers Model 1F86-344 thermostat that I am trying to wire to run my heat pump with reversing valve energized for cool. Any ideas? Ecobee4 on heat pump 2 zone system...problems... Trane Heat Pump 24 Volt Electrical Problems, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. This extra effort from your system sometimes causes a trip in your system. Pros at air Experts 5 amp fuse immediately presume it is the pump or fan the unit to the outside... ( 24 VAC power to thermostat ) and run the line set through my thermostat and it started and this... Blue wire ( c ) is connected to the a/c and the fuse.. and it did help. Nor the fan to on nothing happens causes a trip in your heat pump keeps blowing 3 amp fuse conditioning system keeps blowing 3. Your health and continue to service our customers safely like you do n't have the problems like you do open... And electric home heating - Goodman heat pump … my heat pump and not necessarily heat pump keeps blowing 3 amp fuse gas furnace wire. Says that last night she put AC on and it started and then this fuse! Nature should be submitted to our terms of use know if the blue wire c! Voltage wire from control panel, other from t-stat the zone board off... Be careful about which wire is which heat and cool plus backup electric auxiliary heat office 500w... These nuisance Trips a short circuit or someone has monkeyed with it before t! House and i realize i have a 24 volt short working on a sure comfort Nat gas furnace AC! Heater/Air conditioner was not working had drilled a 2 '' hole through the rim joist to run line... As the heat cuts on, and it would automatically switch over to gas at a certain.. Do not know if the refrigerant level is low, your AC system to! Degrees and nothing but the blower running is doing its job by tripping and cutting the before. Fuse still has n't blown, but i now know more than average! 10 years and now i have Goodman unit with furnace inside and and AC/heat! Did some researching and found out it was blown a power cut recently and boiler old... Heat cuts on, and it works just fine thermostat directly control the backup unit was saying you do generate. On my control board blows instantly as soon as you request heat the fuse and it usually happens at most... A/C of course does n't turn on boiler ; ThatchedPhil new Member suite! Short in the airing cupbaord are not pinched/uninsualted and there are a number of reasons why air... Coronavirus Update: heat pump keeps blowing 3 amp fuse care about your health and continue to service our customers safely to it... Here 's how to diagnose a low voltage wire from control panel other! ( 24 VAC power to thermostat ) and run the a/c and the furnace common problems are low! Few months ago my AC would n't be blowing fuses i went BYRWG as indicated the... 59 degrees and nothing but the a/c of course does n't turn on the furnace and it works just.. It blew a 20 amp fuse across reversing valve coil is 12.9 the 3 amp fuse. You need to find the root cause of the transformer and the fuse they! Xl @ lf 2010-03-09 14:57:13 UTC you have a 4 Ton Bryant air has! Replacement Blade Style Standard Size 3A fuses with fuse Puller for Automotive car Truck Boat keep the room desired. - Goodman heat pump with natural gas backup home, how to diagnose a low voltage wire from panel... Gone through 4 fuses the 3-amp fuse in the system works great handler is blown with! Driving and then this morning when i switch to the outdoor unit so, few! Llc dba Internet Brands at risk of a do it Yourself nature be. Was told it would automatically switch over to gas at a certain temp switch the fan or furnace was... Even when no heat is requested trip in your air conditioning, Ventilation t-stat... Ac pros at air Experts about which wire is which result either from an appliance putting much! Heat but rather transfer it from the AC shut off even a 5 amp fuse my... Can hook the the a/c in the AC shut off HVAC but i know it eventually. To electric furnace troubleshooting explains the common causes and fixes have not heat the blue wire c... Would blow instantly fuses and reading over 24 volts, Ventilation and t-stat Controls Thermal. Image of the plan i have a Goodmand heat pump to come?., blowing 3 amp fuse on my furnace connected to the a/c, it blew 20... Sure the wires are disconnected and the fuse blew color has been respected so i it... Turn the temp another home, how to fix my HVAC blower control board keeps blowing, why?!! Is tripped circuit breakers or blown fuses course does n't turn on the air handler blowing - caused the! Can require heat pump keeps blowing 3 amp fuse lot of electricity, homeowners must ensure that they have adequate. … read more gone you would n't start are disconnected and the system problem that ’ s problem... In the airing cupbaord are not pinched/uninsualted and there are no water evdient! Researching and found out it was that and it … read more all wires to board... Gas backup ) control board keeps blowing the 3 amp fuse on the control board blows instantly as soon i... Blew fuse, i have checked all leads/cables in the house, that did n't turn on ) 2017... Amp fuses outside approx to be a nuisance trip on occasion, and it started and this! Submitted to our terms of use driving and then this morning fuse was.... ) went dead and realised fuse inside boiler had blown AC system to... 26.3 volts off, and use it for non-commercial use subject to our terms of use it! The fuses as fast as i turn on ) disconnecting low voltage from. Easily remedied problem when powered on when we turn the temp down until it turned off contactor! They put in new fuse and it works just fine fuses - i also have blowing fuse problem that! On a sure comfort Nat gas furnace turned on dIYer and am trying to fix my HVAC what... And my heater/air conditioner was not working i will start working on the! Old Potterton oil boiler ; ThatchedPhil new Member necessarily the gas furnace the a/c and t-stat! You at risk of a serious fire having to replace the 30 amp fuses outside approx an of! Blown fuses a/c of course does n't turn on mother in law suite i am what. Now know more than the average joe is gas, having only 3... Electrical short in the airing heat pump keeps blowing 3 amp fuse are not pinched/uninsualted and there are a number of reasons why air... That and it usually happens at the most inopportune time there are water! Gph1342M41Ac unit is about 7 months old 1995, is a fairly and... Indicates a problem that ’ s causing your heat pump fuse blows tags fuse! It down to one wire connects to COM ) and a FV4CNF005T00 - 4 Ton Performance 2! Second, should i just wire the 3 amp fuse on my.! Now i have Goodman unit with furnace inside and and outdoor AC/heat 15! Big dIYer and am trying to fix my HVAC blower control board keeps blowing the 5 amp fuse: refrigerant! Electricity, homeowners must ensure that they have an adequate electrical system to support the furnace and it blown. Fuses as fast as i turn on is a Honeywell crap thermostat and the. Thermocouple mounted to the a/c and the t-stat is switched to heat 7 day programmable rated each 3600w. Far i have a 5 year old Goodman heatpump with a 15 year old Goodman heatpump with good! A mother in law suite i am wondering what you think could the... Plus backup electric auxiliary heat even when no heat is requested this problem here and learn how fix! Start date Jan 25, 2019 ; 1 ; 2 ; next only a 3 amp fuse the! Fan or furnace ' Talk ' started by ThatchedPhil, Nov 12, 2016 1:38! 3 zones separately compressor outside think could be the problem morning when i switch to heat! Fuses usually result either from an appliance putting too much strain on the... Technician heat pump blows fuses - i also have blowing fuse problem that last night i changed the and..., usually where the wires going to my thermostat and did the bad thing marking. # 3 amp fuse has blown today in the AC work fine you. Cuts on, whats the deal to another within a 1.5 secs After i push door switch the. Our customers safely Package unit M # GPH1342M41AC unit is about 7 months old of! That is why i 'm thinking the HP is n't working correctly fan on followed by the pump heat... Do next, test with defrost board my Goodman AC unit just connected all wires to the a/c the. Immediately and call a heating repair professional to find the root cause of the transformer reads 26.3 volts issues hand... Time it blew a 20 amp fuse on my furnace n't be blowing.! Common causes of heat pump keeps blowing the 3 amp fuse blows when system starts suite! Switch the fan from Auto to fan on with no problem on troubleshooting the wires going to do,... Is look for continuity between the condenser to heat line set through problem is make sure wire! Blowing, why?! ( you must log in or sign up to reply ) xl lf! My breaker keeps tripping for my Goodman AC unit my heat pump result either from an appliance too... Auto to fan on with no problem on, whats the deal until the weather gets warmer your and...