FURNACE FUSE BLOWS WHEN AC IS TURNED ON

3V fuse in the furnace blows when the air conditioner
Jul 02, 20113V fuse in the furnace blows when the air conditioner turns. We live in the country and we were on our last fuse. We went through 12 of them. The Temputure in the House is 88 degrees. Praise the Lord for Air. Thank you for your help and if you ever need a good referance have them call me.
Blown fuses in furnace when turning on Central Air
Central Air - Goodman Furnace - Tappan Thermostat - Robertshaw (Programmable) I keep blowing a 3 Amp fuse that is located on a computer board inside of my furnace panel when turning on the Central Air unit. I've replaced the fuse and was able to run the furnace and the blowing fan just fine, until I turn the AC on. This blows the fuse and the furnace, blowing fan and AC
Why Does My Furnace Keep Blowing the Fuse | Scranton
Jan 11, 2016If your thermostat wire touches the metal frame of the furnace, this can cause a blown fuse. When a thermostat wire touches the metal frame of the furnace, it can deliver more voltage than the wires are designed to handle.4.8/5(117)
Top 10 Causes of Furnace Electrical Problems
Clogged filter. If your furnace’s air filter hasn’t been changed in a while, it may be completely Loose wire. Over time, the vibration that results from the furnace running can cause internal Contact with water. Have there been any water leaks, from the furnace or anywhere Wrong fuse. Did you allow a less-than-qualified person to try to service your furnace? It’s See all full list on aristair
Why Does My Air Conditioner Keep Blowing Fuses? | AC Fuses
Apr 28, 2015The most logical cause of your air conditioner tripping a breaker or blowing a fuse when it comes on stems from a problem with the electrical connection, the power supply, or the circuit that powers the system. Breakers and fuses are designed to trip or blow when too much voltage is sent through the line.
The 5 amp fuse on my AC/Heater control board blows when I
The 5 amp fuse on my AC/Heater control board blows when I put the setting to heat. up vote 1 down vote favorite. 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.
3A fuse on furnace board keeps blowing.? | Yahoo Answers
May 02, 2009Try to activate from the thermostat, though, and the 3A fuse blows. I also pulled the low-voltage wires at the furnace board (wires which run out to contactor on AC unit). When this is done, the thermostat can be switched to "Cool" without issue. Obviously the AC unit doesn't engage, but no fuses blow.
Blown 3 Amp Fuse in AC quick fix - Save $300-$500 - YouTube
Click to view on Bing2:59Aug 03, 2017Blows the 3 amp fuse on the control board for my Goodman AC unit. This was done after I couldn't get an appointment soon enough for an AC repair person to come and check out when my AC is dead.Author: SnapFixViews: 104K
My ac won't turn on. The 3a fuse keeps blowing on my
Jun 02, 20161.Disconnect all thermostat and outdoor unit control wires from the terminals on indoor unit control board thermostat to call cool and see if fuse blows it blows, the control board in unit is shorted and will need to be replaced not move to step 2.5/5(11)Finding a short can be difficult. Easiest way to find is by process of elimination you can get several fuses, we can try different things until..A sort across these terminals is normal tells us that the coil on the contactor has continuity. not a shortk between the two wires not th..1. Not sure what they were doing with that extra wire should only have 2 wires going outside to Y on board and one to C on board 2 for..Just let me know if you need further help.I am here to help get this resolved.The 5 amps are fine me know what you find.That is correct. The terminals in this picture that says we get 24 volts on call for cool. http://ir/eRgWiMOYou can replace if we determine contactor is shorted take a picture so you know where to put wires back. Again, not being a wise guy but put t..I understand. With wires disconnected at board does fuse blow or stay in tact?Sounds good. We will go from there.Absolutely. All you need is a 2 pole 30 amp contactor with a 24 volt coil if it is bad should be able to get for about less than 10 bucks at a..
air conditioning - Low voltage fuse blowing in furnace
Low voltage fuse blowing in furnace. I checked the wires leading to the outside unit. They show open when disconnected and 20.8 ohms when connected to the contactor. The wires leading from the thermostat to the furnace show open until fan, heat or A/C is selected and they show continuity as expected.So the problem ended up being the contactor on the outside unit. How I went about troubleshooting the problem was to disconnect the outside from h..Best answer · 0Set the fan to 'on' and have someone monitor the furnace blower. Go outside and hold the AC contacter down for as long as you're willing to. If the..0Edit: I concede that the answer to this problem depends on some specifics that are lacking. If the OP fuse is a glass cartridge style, then it is l..0Check all of the wires where they pass through metal. The metal may have worn through the insulation on the wire, causing an intermittent short. Al..0If you think that over-voltage is blowing the fuse (unlikely, but possible) you can always use a larger fuse. While this is not recommended, there..How can I figure out why the low voltage furnace fuse blowshvac - Furnace Fuse Blows ImmediatelySee more results