Damper Does Not Work; Duct Door Does Not Open - GE GSS20 Series Technical Service Manual

Duct Door Does Not Open

Does 13 ohms of resistance
exist betweeen the dispenser
board J1-1 and J1-2?
Replace the duct solenoid.
Does the duct door operate?
Replace the main
control board.

Damper Does Not Work

Does Continuity exist between:
Main Control Board J3-1 to Damper Blue/Yellow wire?
Main Control Board J3-2 to Damper White/Brown wire?
Main Control Board J3-3 to Damper Red/Black wire?
Main Control Board J3-4 to Damper Yellow wire?
No
Yes
No
Yes
Replace the damper.
Does the damper work?
No
Replace the main control board.
Repair faulty
wiring.
No
– 19 –
Repair faulty
wiring.