Furnace Circuit Board Fuse Keeps Blowing at Patrick Hargreaves blog

Furnace Circuit Board Fuse Keeps Blowing. You need to remedy the issue with your blown fuse and. All other functions work with no issue (fan, cooling). If your furnace has a fuse that’s rated for less amps than your control board requires, then your furnace fuse will blow. The issue is when the thermostat calls for heat the 3 amp fuse blows on the circuit board. A short circuit somewhere in your thermostat wiring; Here's the troubleshooting i've done so far. If your furnace fuse blows when the heat turns on, you have a major problem on your hands. A bad component on the circuit board (such as a relay) I've removed low voltage wires coming from thermostat and ac unit and i've removed the 9 pin connector for the 24 volt. If your circuit board’s fuse is blown, it’s usually due to one of two things:

You need to remedy the issue with your blown fuse and. If your furnace has a fuse that’s rated for less amps than your control board requires, then your furnace fuse will blow. A bad component on the circuit board (such as a relay) If your furnace fuse blows when the heat turns on, you have a major problem on your hands. All other functions work with no issue (fan, cooling). A short circuit somewhere in your thermostat wiring; If your circuit board’s fuse is blown, it’s usually due to one of two things: The issue is when the thermostat calls for heat the 3 amp fuse blows on the circuit board. Here's the troubleshooting i've done so far. I've removed low voltage wires coming from thermostat and ac unit and i've removed the 9 pin connector for the 24 volt.

I have a Trane XL80 that keeps blowing the 5A fuse on the circuit board

Furnace Circuit Board Fuse Keeps Blowing If your furnace has a fuse that’s rated for less amps than your control board requires, then your furnace fuse will blow. I've removed low voltage wires coming from thermostat and ac unit and i've removed the 9 pin connector for the 24 volt. If your furnace has a fuse that’s rated for less amps than your control board requires, then your furnace fuse will blow. Here's the troubleshooting i've done so far. The issue is when the thermostat calls for heat the 3 amp fuse blows on the circuit board. A bad component on the circuit board (such as a relay) A short circuit somewhere in your thermostat wiring; If your furnace fuse blows when the heat turns on, you have a major problem on your hands. If your circuit board’s fuse is blown, it’s usually due to one of two things: You need to remedy the issue with your blown fuse and. All other functions work with no issue (fan, cooling).