Air Handler Blower Motor Reset Button

Fan will not come on in the on position or your fan will not come on when you turn the thermostat down in the air conditioning mode.

Air handler blower motor reset button.

Test to make sure you are getting 24 to 28 volts ac between the g green and c com terminals on you fan center or control board if you aren t getting 24 volts between g and c then you might have a thermostat problem a thermostat. Run a fused jumper from the battery to the power side of the motor and connect a temporary grounding jumper to the other motor terminal. The blower stopped working moments ago. This is the blower reset switch.

When the air conditioner fan or blower motor has cooled sufficiently this button can usually be simply pressed back down to reset the switch. Some simple tests and you can tell me how they react. It can be either a fan relay or the motor itself. Does it come on.

If you do not see one on the side of the motor that is facing you feel around to the back of the motor housing for the button. Usually there is not a reset switch on the blower motor. If the motor overload switch won t reset stay depressed either the motor is still too hot wait or there is another failure that needs diagnosis. I have a lennox air handler model cb26uh.

Step 4 press the reset button down if it has popped up. The unit is approximately 6 years old. Pressing the thermal overload reset switch will start the blower motor again another common problem with the air conditioner blower motor not starting up is caused by overheating. So can we assume the outdoor unit runs but the air handler does not.

I reset the a c switch off that s labeled next to the air handler in which case read more. If you can make the blower run then we know the problem is not with the blower motor or drive belt or assembly and we d go to step two. Mounted just above this box you should see a small round component with a raised red or white button at the center. Step 4 press and hold the blower reset switch for three seconds then release.

Disconnect the electrical connector at the blower motor and jumper power and ground to the motor bypassing all the speeds controls.