Error Code 7
Freezer defrost heater approaching shutdown failure within 5 minutes
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 35 (RR39/RR14/RZ32/RZ11/RQ32)
What This Means
Separation of defrost heater housing; Poor defrost heater contact; Wire cut or short circuit; Temperature fuse fault
What actually causes this:
The defrost heater is about to fail or its control circuit is failing as the defrost cycle nears completion
First Thing to Check
Monitor if the freezer temperature rises dramatically or water leaks from the defrost drain
Parts Involved
How to Fix
- 1
Check defrost heater voltage output
- 2
Test temperature fuse for continuity
- 3
Inspect heater element connections
- 4
Verify thermostat operation
This Error Applies To
Samsung RR39T74 Series Refrigerators
Related Error Codes
Room temperature sensor circuit failure detected
Exterior room temperature sensor circuit failure
Compressor motor drawing excessive current indicating short or mechanical jam
Inverter power module temperature exceeded safe limit and shut down
Defrost cycle temperature sensor circuit failure
Freezer defrost heater circuit malfunction or stuck heater
Compressor power control IC fault or compressor winding fault detected
AC mains voltage is too high, exceeding safe operating range