Samsung refrigerator PC ER / PC CH: door communication error
Samsung says PC ER/PC CH is a communication error that can occur after a power event or when a door harness is not properly connected.
What this guide covers
Error codes: PC ER, PC CH
This guide follows a structured decision tree built from manufacturer troubleshooting information. It does not assume that the most commonly replaced part is the failed part, and it does not show an exact-fit replacement part unless model compatibility has been independently verified.
Continue this exact diagnostic
Safe troubleshooting sequence
Start with the observations and external checks that can be verified without opening energized assemblies. The interactive version asks these in order and changes the path based on your answers.
- Was a refrigerator door recently removed or reinstalled?Samsung specifically calls out the harness connection above the door.
What the answers can lead to
Reconnect the accessible door harness with power off
Only use the manufacturer-accessible connector above the door; do not open sealed control compartments.
Evidence strength: Strong
Try one 60-second power reset
A communication fault can follow a power disruption.
Evidence strength: Strong
The communication error persists
A persistent PC ER/PC CH condition requires diagnosis.
Evidence strength: Strong
When professional diagnosis is the safer next step
A persistent PC ER/PC CH condition requires diagnosis.
Appliance Verdict stops before energized electrical testing, gas-system work, sealed-system work, and other checks that can create unnecessary risk. A technician can use the model, issue, and completed checks from the interactive diagnostic as a starting point.
Repair or replace?
A diagnosis and a repair decision are different questions. Once you have a real repair quote, compare the total repair cost with the all-in price of a comparable replacement. Warranty or protection-plan coverage, appliance age, reliability history, efficiency, and likely future repairs can all matter. Appliance Verdict’s interactive result includes a transparent cost comparison rather than a black-box replacement recommendation.
Manufacturer sources
Dataset reviewed through 2026-09-11. Appliance Verdict is independent and is not endorsed by the manufacturers cited. Always follow the exact owner or service documentation for your model.
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