For Service Technician Use Only
DIAGNOSTICS
French-Door Bottom Mount Refrigerator
n
1-11
GF2 High Voltage Board
The GF2 board is located on the back left side of the cabinet
behind a metal cover. It receives 115 VAC and 12.7 VDC power
from the Orion board. It uses this power to produce 5 VDC
power, and supply loads.
115 VAC Supply
The GF2 board is supplied 115 VAC power at P1-1 and P3-5.
Power is supplied from the Orion board, P1-4.
115 VAC Load(s)
The GF2 board supplies 115 VAC power to the following loads:
•
Pantry air baffle
•
Ice maker duct cabinet heater
•
Freezer compartment defrost heater
•
Refrigerator compartment defrost heater (selected models)
•
Ice maker water valve
•
Water isolation valve
•
Freezer compartment ice maker water valve (select models).
140 VDC Supply
The GF2 board uses the 115 VAC power to generate a 140 VDC
power supply.
140 VDC Load(s)
The GF2 board directly supplies 140 VDC power to the following
load(s):
•
Ice dispenser motor
12.7 VDC Supply
The GF2 board is supplied 12.7 VAC power at P6-2.
Power is supplied from the Orion board, P16-1.
12.7 VDC Load(s)
The GF2 board directly supplies 12.7 VDC power to the following
load(s):
•
Fill tube heater – FC ice maker (select models)
•
Ice maker motor – FC ice maker (select models)
•
Ice maker motor switch – FC ice maker (select models)
•
Ice box fan (speed control)
•
FC evaporator fan (speed control)
•
RC evaporator fan (speed control)
•
Condenser fan (speed control).
5 VDC Supply
The GF2 board uses the 12.7 VDC power to generate a 5 VDC
power supply:
5 VDC Load(s)
The GF2 board supplies 5 VDC power to the following loads:
•
FC temperature thermistor
•
RC temperature thermistor
•
FC evaporator temperature thermistor
•
RC evaporator temperature thermistor.
GF2 Board
12.7 VDC Supply
P6-2
P1-1
P3-5
115 VAC Supply
Содержание WRF954CIHB
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