Whirlpool KRFC704FSS - Specific Troubleshooting Guides

For Service Technician Use Only
DIAGNOSTICS
French-Door Boom Mount Refrigerator
n
1-25

Diagnoscs has several Service Tests to aid in troubleshoong the FC Defrost system.

• Ensure none of the thermistors are Open “OP” or Shorted
“SH”. Replace any faulty thermistors.

• Test resistance between GF2 board, P2-7 and P1-2
• Resistance should be approximately 29 ohms.

• Access FC Evaporator secon and check for open Defrost
Heater, or Thermal Fuse(s).


• Test for 115 VAC power at GF2 board, P2-7

• Replace GF2 board

Check for and repair, loose or damaged wiring or connectors.
If all funconal components of FC Defrost system check ne,
check for a secondary cause of the problem, such as:
• Bad FC Door Switch (Service Test 75)
• Bad FC Evaporator Fan (Service Test 56)
• Air leak into the FC

Run Service Test 91 and select ON. Press the “Icemaker2” key
to conrm your selecon. A defrost cycle will begin aer exing
Diagnoscs.
6 Pin Conector
FC Evaporator Area
Top Right Side
Pin 1
Single Pin Connector
FC Evaporator Area
Top
P1-2
GF2 Board
Pin 3
Pin 1
WH/BK
115 VAC
WH/BK
YL
Pin 2
P2-7
Neutral
PK PK YL
Thermal Fuse
Thermal Fuse
FC
Defrost
Heater
Single Pin Connector
FC Evaporator Area
Top