For Service Technician Use Only
DIAGNOSTICS
1-26
n
French-Door Bottom Mount Refrigerator
RC Defrost Troubleshooting
Diagnostics has several Service Tests to aid in troubleshooting the RC Defrost system.
Run Service Test 01 - RC Thermistor
•
Ensure the thermistor is not Open “OP” or Shorted “SH”.
Replace any faulty thermistors.
Run Service Test 03 - RC Evaporator Thermistor
•
Ensure the thermistor is not Open “OP” or Shorted “SH”.
Replace any faulty thermistors.
Run Service Test 57 – RC Fan Test
•
Ensure LED Display shows “on”
•
Check that the fan is operating
If fan is not operating:
•
Check all wiring connectors tight (See FIGURE 6, Page 4-6).
•
Check integrity of wiring between control board and fan.
(Continuity or Voltage check as appropriate)
If wiring check indicates bad wiring:
•
Replace wiring harness
If wiring checks OK, or if fan is still not operating:
•
Replace fan.
If LED Display does not show “on”:
•
Replace GF2 Board.
P16-4
Pin 8
16 Pin Conector
12 Pin Conector
Machine Compartment
Left Side
Bottom RightSide
RC Evaporator Area
RC
Fan
3 Pin Fan Conector
Evaporator Cover Assembly
Orion Board
+12.7 VDC
Fan
Power
Supply
P14-3
GF2 Board
Pin 7
in 1
P
Pin 8
in 2
P
&
Controls
Speed
GY
GY
+12.7 VDC
Turns Fan
BR
BR
V
V
V
Pin 3
P14-4
Pin 9
Neutral
TN
TN
TN