Whirlpool WRF954CIHV Service Manual page 31

Moisture Control Heater Troubleshooting
Take resistance reading between GF2 P1-2 and GF2 P2-6.
P1-2
Neutral
GF2 Board
• Resistance should be 1400 - 1800 ohms.
• If the Duct Heater is Open, resistance will read ≈4800 ohms.
• If the Filter Heater is Open, resistance will read ≈2400 ohms.
If resistance checks are OK:
Run Service Test 65 - Ice Box Duct Heater Test
• Ensure LED display shows "on"
• If LED display does not show "on", replace GF2 board.
If all checks are OK and problems persist:
For Service Technician Use Only
WH/BK
Pin 3
P2-6
OR
115 VAC
Splice
WH/BK
12 Pin Connector
To RC Liner
Pin 7
WH/BK
OR OR
Pin 6
Pin 10 Pin 9
OR
WH/BK
Pin 3 Pin 8
12 Pin Connector
9 Pin
RC Evaporator Area
Connector
Bottom Right in RC
Behind
Water
Valve Cover
in RC
Run Service Test 88 - Ice Box Air Duct Heater Activation Mode
This will turn the heaters Full On.
• Use up or down arrow to change activation mode to "01"
• Press the "Icemaker2" key to confirm selection.
French-Door Bottom Mount Refrigerator
DIAGNOSTICS
IM Duct Heater
(Cabinet)
P in 4
Filter
Heater
Pin 2
4 Pin
Connector
Behind
Water
Valve Cover
in RC
n
1-27