Carrier Furnace Fan Not Working

Many of the newer furnaces do not have fan center relays but many of the older furnaces and some new furnaces still do.

Carrier furnace fan not working.

Check that the circuit breaker to your furnace is not off but also understand that it is not uncommon for your blower motor the fan to have a separate circuit breaker so check this as well. If you see or hear the fan turn on your blower motor is not the culprit. If the capacitor is bulging or leaking repla ce it. Roller shaft wheel parts bearing parts blower wheel fan blade parts bracket flange parts cap.

If the capacitor is defective the fan motor might be noisy overheat or not run at all. En español live chat online. Press the fan switch on the thermostat to turn it on. Vibration or noisy operation would signal the fan blades are likely out of balance.

Changing the fan setting to auto will resolve the issue by turning off the blower when the system is not actively cooling. Start by turning the furnace off turn your thermostat to fan only and wait a few minutes. This could result in warmer air blowing from the registers when the ac unit isn t operating. If the van is dirty vacuum it to remove damaging particles.

The capacitor can also be checked with a meter. If the fan blades don t spin at all it s likely the condenser fan is not working and possibly burnt out requiring replacement. Next go to your furnace and check on the furnace itself and surrounding walls for another on off switch or circuit breaker and ensure that it is on as well. Check the ssu switch on your heater if the device is still not producing adequate.

If the setting is on the fan will run constantly even when the system isn t cooling the air. To determine if the capacitor has failed inspect the capacitor. In either case we recommend calling a professional hvac technician to diagnose and remedy the problem.