Error Code 81c
The compressor will not start
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 81c
What This Means
Short between Comp U/V/W pins (CN04); Short between IPM pins (#1~26); IPM Operation Voltage Dropout below DC13.5V; Compressor mechanical issue; Refrigerant cycle blockage
What actually causes this:
Compressor or inverter control board has failed
First Thing to Check
Check that power is reaching the compressor connector
Parts Involved
How to Fix
- 1
1. Check for short circuit between Comp U, V, W wires (CN04)
- 2
2. Check IPM pin integrity (pins #1~26)
- 3
3. Measure IPM operation voltage - should be above DC13.5V
- 4
4. Verify compressor is receiving power signal
- 5
5. Check refrigerant cycle for blockage
This Error Applies To
Samsung DRF367500A Series Refrigerators (2017) (2017–present)
Related Error Codes
Refrigerator defrost sensor is not reading temperature correctly
Pantry fan is not working properly
Outside humidity sensor is not reading correctly
Refrigerator fan is not working properly
Cocktail ice maker sensor is not working properly
The main control board and inverter board are not communicating
Condenser fan is not working properly
Refrigerator temperature is too warm