Furnace Control Board No Lights

No light on board no power to board.

Furnace control board no lights.

5 10 31 15 02 54 pm seattlepioneer. Furnace control board fuse keeps blowing 1 answers hi i have a carrier furnace 48gs 036090311tp with a honeywell t8401c thermostat. Only power on the furnace. 1 shut off anything that might be connected to the same line your furnace is plugged into.

2 reset gfi s all around the house if any. You would need to confirm you have 24 volts to the board inside the furnace airhandler with a volt meter to make sure though. The sequence is like this. Do you have a meter.

I verified 110v getting to the board i 39 ve unplugged the furnace and reset answered by a verified hvac technician we use cookies to give you the best possible experience on our website. I have no lights on my rheem control board. Repairs include new transformer and possibly. This means your furnace might have insufficient voltage or a short circuit.

Check breaker to furnace switch on side of furnace and door safety switch under the bottom door. I can run the fan on continuously but when i put the heat to on on the t stat the 5 amp fuse on the control board lh33wp003a in the furnace blows. Gas and oil home heating furnaces goodman furnace. A single light is flickering slowly and the other is blinking fast.

End result is no power is getting terminal l1 on the circuit board. Rule and or policy violation. Now if for some reason your unit does not use a fuse often the board will be damaged due to the short. There was a surge of power that tripped out the transformer or the 24 v from the transformer and preventing the control board from bringing anything on.

No led would indicate defective control board. I started with the. No light on the circuit board i have a goodman furnace and is not turning on when i turn on the heat on the thermostat.