pc er
Moderate
Samsung · Refrigerators
Communication Error Between Main Board and Display Panel
Quick Answer
Error code PC ER on your Samsung Refrigerators means: Communication Error Between Main Board and Display Panel. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Unplug the refrigerator for 10 minutes to allow a full power reset of both boards
2
Access the display panel (typically behind the dispenser front panel) and reseat the wire harness connector
3
Access the main control board (typically behind the rear bottom panel) and reseat its wire harness connector
4
Inspect the communication wire harness along its entire route for damage or pinch points
5
Replace the display panel board first, as it is the more common failure point for this error
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Display panel control board (DA92-00595B)
Main control board (DA92-00594B)
Communication wire harness (DA96-00886A)
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