Whirlpool KRFC704FSS - Page 31

For Service Technician Use Only
DIAGNOSTICS
French-Door Boom Mount Refrigerator
n
1-27

Take resistance reading between GF2 P1-2 and GF2 P2-6.
• 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:

• Ensure LED display shows “on”
• If LED display does not show “on”, replace GF2 board.
If all checks are OK and problems persist:

This will turn the heaters Full On.
• Use up or down arrow to change acvaon mode to “01”
• Press the “Icemaker2” key to conrm selecon.
Splice
12 Pin Connector
To RC Liner
P1-2
GF2 Board
Pin 3
Pin 10
WH/BK
115 VAC
WH/BK
Pin 7
Pin 6
P2-6
Neutral
OR
OR OR
IM Duct Heater
(Cabinet)
OR
Filter
Heater
Pin 9 in 4P
Pin 2Pin 8
4 Pin
Behind
Connector
Water
in RC
Valve Cover
9 Pin
Behind
Connector
Water
in RC
Valve Cover
Pin 3
12 Pin Connector
RC Evaporator Area
Bottom Right in RC
WH/BK
WH/BK