R and C blows the fuse! V12Tech. My hvac blower control board keeps blowing the 3 amp fuse as soon as the heat cuts on, whats the deal? 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. I removed all the wires going to my thermostat and it would not blow the fuse when powered on. problems contact webmaster@doityourself.com. A/c keeps blowing a 3 amp fuse on my furnace. Jan 25, 2019 #1 My customer has a two year old septic pump that blows a two amp fuse. Ecobee4 on heat pump 2 zone system...problems... Trane Heat Pump 24 Volt Electrical Problems, SER cable vs Conduit - Indoor subpanel ampacity/temperature questions. The air handler has a 5 amp fuse that blows almost every … The circuit breaker is doing its job by tripping and cutting the power before something worse (like an electrical fire) happens. In April I replaced a fuel pump in my S10. 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. Heat works fine. The 3 amp fuse on the board would blow instantly. Solved, see below. I did some researching and found out it was the 3A fuse. I was blowing the 5 Amp fuse on the control board for my forced air gas furnace. what wire should i use and breaker? If the transformer was gone you wouldn't be blowing fuses. 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. Discussion in 'Plumbers' Talk' started by Matt Vernon, Nov 12, 2016. So I went and checked the fuse.. and it was blown. 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. This morning when I got up the temp was at 59 degrees and nothing but the blower running. Steve Arnold. In the last three nights I've gone through 4 fuses. I was expecting the heat pump to come on but it didn't. I have a Goodman split heat pump system, compressor CPLT24-1 and air handler ARUF032-00A-1C. I have a 5 year old goodman heatpump with a 15 year old furnace. Model #CB29M-41-2P AIR HANDLER. You could try just connecting the R and C connections. I have checked all leads/cables in the airing cupbaord are not pinched/uninsualted and there are no water leaks evdient. The first time it blew fuse, I Twice in less than a 12 hour period, my Carrier 58CVA furnace blew the 3 amp fuse in the control board. Reply. I was told it would automatically switch over to gas at a certain temp. A heat pump that doesn’t turn on is a fairly common and easily remedied problem. Questions of a Do It Yourself nature should be As of today, the board no - Answered by a verified HVAC Technician I have goodman unit with furnace inside and and outdoor AC/heat. Steve Arnold. I not sure the wire color has been respected so I'll have to be careful about which wire is which. 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. A process of elimination got it down to one wire, to the compressor outside. Luckily, the solution is simple. The 3 amp fuse on the board would blow instantly. Is your air conditioner tripping the breaker and blowing a fuse? 99. Might be two conductors touching,causing a short circuit or someone has monkeyed with it before. You may freely link 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. Dirt. It continues to blow fuse and they can't figure out what the problem is. They also ran the thermostat wire through the 2" hole. Hello, I have a Goodman Heat Pump (GSZ14) with Single Stage Heat and Cool plus backup electric auxiliary heat. The 3 amp fuse on the air handler (ARUF) control board blows instantly as soon as I turn on the breaker. Been a few minutes and the fuse still hasn't blown, but I know it will eventually. Send help. I let the unit run the A/C. Any ideas? zones: 1- master and bathroom 2- great room (1500w x2&1000w) 3- kitchen & office with 500w I have a 4 Ton Performance Series 2 Stage Heat Pump (25HPA648A003) and a FV4CNF005T00 - 4 Ton Bryant Air Handler. A/c keeps blowing a 3 amp fuse on my furnace. I also have blowing fuse problem. There’s a problem that’s causing your heat pump to pull more power than it should. However, when I switch to the a/c, it blows the 3 amp fuse immediately. This can be the sign of an electrical problem, putting you at risk of a serious fire. Any suggestions? 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. Replaced fuse but every time switch on boiler it blows again immediately. any truth in this? Last night I changed the tstat hoping it was that and it … read more. Since some furnaces can require a lot of electricity, homeowners must ensure that they have an adequate electrical system to support the furnace. 1 Posts . Just relocated my thermostat and did the bad thing not marking my wires. With a good fuse in the AC work fine and you can switch the fan from Auto to Fan on with no problem. Should I get a replacement defrost board? It seems to be a nuisance trip on occasion, and it usually happens at the most inopportune time. Can you help? Use a Ohm meter to check the Resistance between the contacts, usually where the wires land on the heater unit. I found that the transformer in the air handler is blown along with the 3amp fuse. That's correct, the zone board runs off a separate breaker/transformer. Furnace fuse keeps blowing? Thanks! It's getting cold out tonight. Any suggestions would be appreciated. ), Help! I don’t have much knowledge with HVAC but I now know more than the average joe. I then opened up the air handler and found a blown fuse. Thread starter Stevenfyeager; Start date Jan 25, 2019; 1; 2; Next . up. [ 9 Answers ] My a/c keeps blowing the 3 amp fuse on my furnace. [ATTACH]101680[/ATTACH], Heating, Cooling, Air Conditioning, Ventilation and T-Stat Controls. Last night I changed the tstat hoping it was that and it … read more Right now the outside temp is 25 degrees. DIY and save $300-$500. What I did for each wire is look for continuity between the condenser casing and each wire. It always seem to blow just when we turn the temp. hi all, after a bit of advice. 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