Samsung RF23HCEDBWWRefrigerator
Error Code oP-Er or oP-Ch
Option communication lost
Moderate
Address soon - your appliance may not work properly
Also displayed as: LED ON/OFF alternately
What This Means
Option configuration cable disconnected; Option module defect; Main PCB defect; Wire harness damage
What actually causes this:
Option board connector loosened or configuration board failed
First Thing to Check
Check if refrigerator cools properly despite the error
Parts Involved
Main PCBOption configuration moduleCommunication cable
How to Fix
- 1
1. Check option communication connectors
- 2
2. Verify cable seating
- 3
3. Check for wire damage
- 4
4. Wait for error to settle down automatically
- 5
5. If persistent, use oscilloscope to check signal
- 6
6. Replace Main PCB if signal abnormal