Furnace Control Board No Lights

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Furnace control board no lights.

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. 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. End result is no power is getting terminal l1 on the circuit board. Do you have a meter.

I have no lights on my rheem control board. You would need to confirm you have 24 volts to the board inside the furnace airhandler with a volt meter to make sure though. One light is flickering on on and off while the other flickers on off on. No led would indicate defective control board.

Fan only operation is running. The sequence is like this. Gas and oil home heating furnaces goodman furnace. 5 10 31 15 02 54 pm seattlepioneer.

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. Now if for some reason your unit does not use a fuse often the board will be damaged due to the short. Furnace control board fuse keeps blowing 1 answers hi i have a carrier furnace 48gs 036090311tp with a honeywell t8401c thermostat. Check breaker to furnace switch on side of furnace and door safety switch under the bottom door.

Repairs include new transformer and possibly. 2 reset gfi s all around the house if any. I started with the. Rule and or policy violation.

1 shut off anything that might be connected to the same line your furnace is plugged into. 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. Only power on the furnace.