– 49 –
Condenser Fan Not Running
Run Service Diagnostic Test (1-3 )
Pre-Chill - see page 33 for entering
diagnostic mode.
Is the condenser fan running?
Remove J2 connector from the main
board.
Check for resistance between the white
wire and red wire on harness
Is the resistance approximately 1.5K
ohms to 3K ohms?
Condenser fan OK!
Look elsewhere for the
problem.
Measure the resistance directly at the
Condenser fan motor!
Is the resistance approximatelty 1.5K
ohms to 3K ohms?
Does the condenser fan motor read
open?
Does the condenser fan motor read
shorted
( below 1K ohm )
Replace the condenser
fan motor
Repair wiring harness
Check for voltage at main board
J2.
Is there at least 12VDC between
pins 3 - 5 and between 3 - 8?
Condensor motor stalled !
Repair or replace
condenser motor.
Replace main board
Yes
No
Yes
No
No
Yes
Yes
Yes
Check voltage at main board J2.
Is there at least 12VDC between
pins 3 and 5 ?
Replace main board and
condenser fan motor
Replace condenser fan
motor
No
Yes
No
Yes
No
Caution:
Unplug power when disconnecting and
connecting connectors on the board.
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