Evaporator Fan Does Not Work
Does Continuity exist between:
Main Control Board J2-1 to Evaporator Fan Blue wire?
Main Control Board J2-3 to Evaporator Fan White wire?
Main Control Board J2-4 to Evaporator Fan Yellow wire?
Main Control Board J2-8 to Evaporator Fan Red wire?
Condenser Fan Does Not Work
Does Continuity exist between:
Main Control Board J2-3 to Condenser Fan White wire?
Main Control Board J2-5 to Condenser Fan Yellow wire?
Main Control Board J2-8 to Condenser Fan Red wire?
Yes
Replace the evaporator fan.
Does the damper work?
No
Replace the main control board.
Yes
Replace the condenser fan.
Does the condenser fan work?
No
Replace the main control board.
– 20 –
Repair faulty
No
wiring.
Repair faulty
No
wiring.