Ff-Defrost Function Error - Samsung RF263 Series Repair Manual

Error-code :
FF-Defrost FUNCITON Error
Block
① Inspect the BIMETAL (RED+BLK)
- Normal: 0Ω,
② Measure Heater inspection resistance
Replace Heater
- Normal : 90~115Ω,
③ Inspect forced Heater On CONNECTOR voltage 105~125V
CONNECTOR
Main PBA
25 E
Failure: OPEN
- Failure : Open & 0 Ω
CN 70 CN 72
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Open Part replacement
① Measure Main PBA CN70
No.7(WHT)+CN72,No.3(GRY)
resistance
- Normal : 90~115Ω
-
※ Replace Heater /
BIMETAL
② Measure Main PBA CN70
No.7(WHT)+CN72(GRY)
AC voltage after forced
defrost
- Normal : 105~125V
- Failure : NO Power
③ When all the parts are
normal, replace DEFROST
Sensor
- 29/65 -
Failure : Open & 0 Ω