Technical Information
31
KF 18xx/19xx
3.4 Ice Forms on Interior of Refrigerator, Freezer and/or Condenser
Cause:
Defrost heater defective.
Remedy:
Test defrost heater in service mode. Perform heater test outlined in Section 030-4.4.
Cause:
Drain heater defective.
Remedy:
Test drain heater in service mode. Perform heater test outlined in Section 030-4.4.
Cause:
Drain channel clogged or frozen.
Remedy:
Remove debris; test other components to determine why freezing occurred.
Cause:
Door not sealing properly.
Remedy:
1. Door seal damaged; replace seal.
2. Custom door panel improperly installed; re-install door panel correctly.
3. Hinges damaged; replace hinges.
Cause:
Decompression valve in the door is open.
Remedy:
Check for proper seating and/or icing of the decompression valve; reseat or
replace as needed.
Cause:
Door left open for an extended period of time.
Remedy:
Check for fault codes; close door.
3.5 Fault Code Summary
All possible fault codes are listed in Table 030-17. Fault codes marked with
an asterisk (*) are not visible to the customer.
Code Displayed as Cause Remedy
F41
F 00 41
Faulty power electronic. Replace power electronic.
F110
F 01 10
Refrigerator air NTC faulty.
Replace refrigerator air NTC.
F111
F 01 11
Freezer air NTC faulty.
Replace freezer air NTC.
F112 F 01 12 SmartFresh NTC faulty.
Replace SmartFresh NTC.
F115
F 01 15
Refrigerator evaporator NTC
faulty.
1
Replace refrigerator
evaporator NTC.
F116 F 01 16
Freezer evaporator NTC
faulty.
1
Replace freezer evaporator
NTC.
F120*
F 01 20
Voltage < 95VAC. No possible remedy.