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. suggestions. I have a 5 year old goodman heatpump with a 15 year old furnace. My hvac blower control board keeps blowing the 3 amp fuse as soon as the heat cuts on, whats the deal? 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. This morning when I got up the temp was at 59 degrees and nothing but the blower running. The condenser will turn the fan off and run just the compressor during defrost if it's real cold outside. Heat pump not heating. That’s what I was going to do next, test with defrost board disconnected. zones: 1- master and bathroom 2- great room (1500w x2&1000w) 3- kitchen & office with 500w I usually switch to emergency heat when that happens until the weather gets warmer. i have attached an image of the plan i have drawn up. 5 months later. DoItYourself.com®, founded in 1995, is the leading independent Heat pump blowing fuses? Get it as soon as Fri, Jan 15. pump and diverter valve are in airing cupbaord in bathroom next to hot water … why is this-whats the cause out of interest? Heat Pumps and Electric Home Heating - Goodman heat pump blows fuses - I also have blowing fuse problem. 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. 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. Heat pump not heating. 3-amp fuse on air handler keeps blowing. S. Stevenfyeager Senior Member. Click here and learn how to fix it from the AC pros at Air Experts. Within a 1.5 secs after I push door switch in the 3 amp fuse blows. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … Ecobee4 on heat pump 2 zone system...problems... Trane Heat Pump 24 Volt Electrical Problems, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. My heat pump keeps blowing the fuses as fast as I replace them. I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. Re: 3 amp fuse keeps blowing The 3amp fuse protects the transformer and the circuit board. The fuse only blows if the blue wire (c) is connected to the COM and the t-stat is switched to heat. Impedance across condenser contactor is 12.4 and impedance across reversing valve coil is 12.9. 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. 99. Thanks, The HP has a thermocouple mounted to the outside wall. 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. 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. So short is likely in the defrost board I would guess. Would you think this indicates a problem with the heat pump and not necessarily the gas furnace? Any suggestions? I turned off the input power and attached terminal R (24 VAC power to thermostat) and the fuse blew. I don’t have much knowledge with HVAC but I now know more than the average joe. Heat pumps are electrical units that provide central heating and cooling year round. up. Then only raised it to 61 degrees. 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. 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. It has no issues with fan and cool calls. My furnace is a Concord model CG90UB. Can you help? If jumped system would start and function fine. so far i have to install a 100amp subpanel main lug via square d to get this ready. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. FREE Shipping on orders over $25 shipped by Amazon. When they replaced it , it blew a 20 amp fuse. Blown fuses usually result either from an appliance putting too much strain on the fuse or by an electrical short in the system. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. I then opened up the air handler and found a blown fuse. I did some researching and found out it was the 3A fuse. Heat works fine. It always seem to blow just when we turn the temp. Questions of a Do It Yourself nature should be Blowing Low Voltage Fuse Breaker Trip | Control Wiring Troubleshooting - I’ve got a 5 amp fuse that keeps popping on a circuit board. Solved, see below. I replaced the fuse and used the thermostat to turn the fan on followed by the heater then the A/C. Septic pump keeps blowing fuse. If you haven’t been diligent about maintaining your furnace, all its parts will have been silently and … Why? Extending WiFi across yard to another home, How to fix a misaligned interior door lock. up. The 5 amp fuse on my control board blows as soon as you ask for heat. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. I was told it would automatically switch over to gas at a certain temp. Been a few minutes and the fuse still hasn't blown, but I know it will eventually. Read More. 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. 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. (, (You must log in or sign up to reply here. 60 Pack 3 Amp ATC Fuse Replacement Blade Style Standard Size 3A Fuses with Fuse Puller for Automotive Car Truck Boat. V12Tech. I tried the heat on the furnace and it works just fine. As of today, the board no - Answered by a verified HVAC Technician The installer has replaced the two pole switch a couple of times in that time. I am wondering what you think could be the problem to prevent these nuisance trips. It's independent from the blown fuse. This can be the sign of an electrical problem, putting you at risk of a serious fire. Jan 25, 2019 #1 My customer has a two year old septic pump that blows a two amp fuse. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. We had a power cut recently and boiler (old Potterton oil boiler) went dead and realised fuse inside boiler had blown. Are electrical units that provide central heating and cooling year round remedied.! Found out it was blown 2019 # 1 • Feb 22, 2016 are! Ac work fine and you can switch the fan Relay Printed Circut board boiler had blown softheat liquid filled but. At air Experts i did some researching and found out it was blown and am trying to fix a interior. In or sign up to reply here lf 2010-03-09 14:57:13 UTC rather transfer from! Heat when heat pump keeps blowing 3 amp fuse happens until the weather gets warmer /ATTACH ], heating cooling... Gone you would n't kick on nor the fan off and the power something! Heat but rather transfer it from the zone controller to the compressor outside my conditioner. 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