How do I fix error code PC-Ch on my Samsung RF25HMEDBSR?

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Samsung RF25HMEDBSRRefrigerator

Error Code PC-Ch

Q: What does error code PC-Ch mean on a Samsung RF25HMEDBSR?

Data channel between panel and main control is corrupted Panel communication channel failure; Main micom channel malfunction; Harness pin defect; PCB connector pin corrosion

Data channel between panel and main control is corrupted

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: PC-Ch displayed alternating ON/OFF on panel PCB

What This Means

Panel communication channel failure; Main micom channel malfunction; Harness pin defect; PCB connector pin corrosion

What actually causes this:

Corroded connector pins or damaged communication wire

First Thing to Check

Inspect panel communication connectors for green corrosion or bent pins

Parts Involved

Panel PCBMain MicrocontrollerCommunication Connector

How to Fix

1
Check all panel harness pins for corrosion
2
Verify no bent or loose pins in connectors
3
Test voltage on communication lines
4
Reseat all connectors firmly

Other Error Codes for RF25HMEDBSR

oP-Er

Additional refrigerator option module not responding

oP-Ch

Option board communication channel is not functioning

PC-Er

Control panel cannot communicate with main refrigerator computer

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