Error Code 02
Main and panel control boards cannot communicate
Moderate
Address soon - your appliance may not work properly
Also displayed as: Right - ② LED ON
What This Means
Serial communication line broken or shorted; Main control board failure; Panel control board failure; Wiring harness disconnection
What actually causes this:
Communication link between the main control board and display panel has been lost due to wiring damage or board failure
First Thing to Check
Check all wire connections between main PCB and panel PCB for loose or disconnected harness
Parts Involved
How to Fix
- 1
Oscilloscope test on communication lines required
- 2
Check wiring between main and panel PCBs
- 3
Replace main or panel PCB to confirm
Other Error Codes for RS25J500DWW
Ice ejector or level sensor repeated failure
Freezer fan motor failure or control signal loss
Ice maker sensor malfunction or disconnection
Damper heater element or connection failure
Freezer defrost sensor malfunction or disconnection
Compressor startup failure or abnormal operation
Ambient temperature sensor malfunction or disconnection
Condenser fan motor failure or control signal loss