GE PSC21MGM Technical Service Manual page 60

1 - Blk
2 - Red
3 - Blu
4 - Pur
5 - Wht
J4
INPUTS
ACCUMULATED FF AND FRZ
DOOR OPENINGS (MINUTES)
COMPRESSOR RUN TIME
(MINUTES)
DEFROST HEATER ON TIME
(MINUTES)
NOTE: Refer to the Main Control Board Locator Tables in the Diagnostics chapter for more
information.
Main Control Board (Low-Voltage Side)
1 - Yel
2 - Red / Blk
3 - Wht / Brn
4 - Blu / Yel
J3
COMMUNICATION
INPUT/OUTPUT
– 58 –
THERMISTOR
DAMPER
ENCODER
COILS
INPUTS
INPUTS
FAN OUTPUTS
PROCESSING
UNIT
J2
8 - Red
7 - Not Used
6 - Blk / Wht
5 - Yel
4 - Yel / Blk
3 - Wht
2 - Blu / Wht
1 - Blu
1 - Blu / Red
2 - Yel
3 - Red / Wht
4 - Blu / Wht
5 - Blu
J1
MODEL
SELECT
GEA00906