Carrier Furnace Circuit Board Problem

The jumpering bothers me all motors back feed voltage off the unused motor windings sometimes alot more than 120volts.

Carrier furnace circuit board problem.

A very slight surge through the power mains can eat one piece of equipment and leave the identical one beside it working fine. Is your air conditioner or furnace not turning on or p. Carrier heater not turning on. Need help trouble shooting.

Check for obvious loose wiring. Furnace or ac control board troubleshooting. 14 y o furnace that has worked that long w o some circuit board of some type going bad is pure chance. If the board has obvious burn marks indicating electrical malfunction call for repairs.

First make sure you have power to the board. The process includes replacing burner orifices installing spoiler screws installing a low gas pressure switch and making several additional adjustments. Do you suspect that your furnace ac control board is bad. If the circuit has been tripped check the control board of the furnace before resetting the circuit.

Electronics can fail relays can stick or burn out componants can get old. If at this point your carrier gas furnace isn t working the problem is most likely the thermostat furnace control board blower motor or. What is the answered by a verified hvac technician. This is a job for your local professional carrier hvac expert and definitely not for the average home diyer.

A circuit board in the most common system works off of input and output. New carrier circuit boards if this is a new design they seem to be field tested on the customer they fix what they find to fail. Check the circuit breaker for the furnace and the on off switch on the furnace. If everything seems to be okay reset the circuit.

That is true for air conditioner troubleshooting heat pump troubleshooting or gas furnace troubleshooting.