6. Self Diagnosis & Trouble Shooting
6-5. If defrost does not operate (F,R DEF Heater)
To do list
Start
Are the all deforst
heater normal?
YES
Check the bimetal, heater
disconnection, wiring
connection etc.
NO
Replace the applicable sensor
NO
Is defrost sensor by
self-diagnostic normal?
YES
**Measuring point of resistance value
according to heater**
F-DEF : CN70 “3”(Brown) ↔ CN72 ”3” (Gray)
measuring resistance value(63 ohm ± 7%)
R-DEF : CN70 ”1”(White) ↔ CN72 “3”(Gray)
measuring resistance value(120 ohm ± 7%)
** 0Ω: Short trouble / ∞Ω: Open(bimetal, heater)
trouble
Refer to self-diagnostic
function in the manual
Reference to the manual “Self-Diagnostic”
R DEF ERROR F DEF ERROR
• If defrost has trouble, select the self-diagnostic function to detect the error of defrost heater before
Power Off. (Check the function with the self-diagnostic function)
185
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