– 25 –
GEA00859
Pin 1 J8
Compressor
Pin 1 J9
Defrost Heater
Pin 1 J11
Line
Evaporator Fan Tach.
J2 Pin 1
Personality Input 5
Pin 2
Fan Common
Pin 3
Evaporator Fan
Pin 4
Condenser Fan
Pin 5
FF Fan
Pin 6
QuickChill Damper1 +
J5 Pin 1
QuickChill Damper1 -
Pin 2
QuickChill Damper2 +
Pin 3
QuickChill Damper2 -
Pin 4
+5V
Pin 5
QuickChill Thermistor
Pin 6
QuickChill Fan
Pin 7
Fan +12V
Pin 8
FF1 Thermistor
J1 Pin 1
FF2 Thermistor
Pin 2
FZ Thermistor
Pin 3
Evaporator Thermistor
Pin 4
+5V
Pin 5
Personality Input 1
Pin 6
Personality Input 2
Pin 7
Personality Input 3
Pin 8
Personality Input 4
Pin 9
Damper - Blue
J3 Pin 1
Damper - White
Pin 2
Damper - Red
Pin 3
Damper - Yellow
Pin 4
FF Encoder Select
Pin 5
Comm. Tx/Rx
J4 Pin 1
Comm. +12V
Pin 2
Comm. Common
Pin 3
Discrete Disp. Input 1
Pin 4
Discrete Disp. Input 2
Pin 5
FZ Encoder Select
Pin 6
Encoder Signal
Pin 7
Encoder Signal
Pin 8
Encoder Signal
Pin 9
Encoder Signal
Pin 10
Pin 1 J12
Monogram Drain Pan Heater
Pin 9 J7
Neutral
Pin 8
NIC
Pin 7
FZ Door Switch
Pin 6
FF Door Switch
Pin 5
QuickChill Heater
Pin 4
Auger Motor Interlock
Pin 3
Water Valve
Pin 2
Crusher Solenoid
Pin 1
Auger Motor
Pin 1
QuickChill Htr.
Pin 2
QuickChill Htr.

Low Voltage DC

120 VAC

Main Control Board

The main control board, located behind a metal cover at the top of the refrigerator in the machine

compartment, manages the operation of the refrigerator by calculating response from various inputs.