Keep Blown Fuse On Furnace Circuit Board
Keep Blown Fuse On Furnace Circuit Board. I replaced it and the furnace worked fine. Thereof, why would a fuse keep blowing?
In the meantime, keep reading to learn about the common culprits of blown furnace fuses. Shut the boiler power off. A faulty transformer or a malfunctioning thermostat wire can all be common culprits for fuses that continue to blow.
I Have Bryant Heating And Cooling System.
Here is the circuit board model hk42fz0009. Put in a good fuse. My bryant heating & cooling furnace circuit baord fuse keep blow out!
The Strain Causes The Motor To Draw Too Much Power, Causing The Short.
The furnace and the condensing unit are on seperate disconnects. Click to see full answer. Im going to show you how to fix this problem with just a screwdriver and maybe 5 3 amp fuses and we will fix the 3 amp short im just making this video for.
A Faulty Transformer Or A Malfunctioning Thermostat Wire Can All Be Common Culprits For Fuses That Continue To Blow.
Remove the molex plugs on the control except for the power to the board. Remove the gas and blower plugs and the input, output, flue temp sensor plugs. I think it is a 6.3 amp fuse.
For Example, If The Yellow And Common Thermostat Wires Are Touching Each Other Then The Short Would Not Occur (Fuse Blows) Until The Air Conditioner Is Turned On And The Yellow Wire Becomes The Power Wire.
Shut the boiler power off. I did a recent service call and the 5 amp fuse in the circuit board on the furnace was blown. This fuse will blow if you have an intermittent short in the condenser wire or contactor.
It Is A 5 Amp Fuse, The Small Automotive Type.
Why would a furnace fuse blow? The heater worked fine during the winter. The circuit board in the furnace keeps blowing the fuse.
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