Error Code 81C
Compressor will not start
Critical
Stop using immediately - risk of damage or safety issue
Also displayed as: 81C
What This Means
Inverter PCB solder joint failure; DC 15V output insufficient (less than 13.5V); Compressor mechanical failure; Compressor cycle failure
What actually causes this:
Compressor electrical problem or inverter failure
First Thing to Check
Check if compressor has 120V AC power input
Parts Involved
How to Fix
- 1
Check soldering status of inverter PCB
- 2
Check for short-circuits on inverter PCB
- 3
Measure DC 15V output voltage
- 4
Test compressor directly
Other Error Codes for RF28K9070AA
Fridge fan motor is not operating
Cool Select fan motor is not running
I/O Expander is not responding to main board
Freezer fan motor is not working
Main and panel boards are not communicating
Compressor inverter is not communicating with main board
Fridge defrost sensor is not working
Freezer defrost sensor is not responding