Samsung Refrigerator PC ER Code: Meaning & Fixes
- Meaning
- Communication error: components inside the refrigerator, such as the display and the main control board, can't communicate.
- Can I fix it?
- Sometimes, may need a pro
- Also shown as
- PC CH, PCER, PC-ER
- Seen on
- Samsung refrigerators with a door display. Samsung US lists PC ER and PC CH together as the communication error. The wire harness step applies to models with a connector above the door; if yours has none, call service. It is not the same as the 5E defrost code.
PC ER on a Samsung refrigerator is a communication error between parts inside the fridge. Samsung links it to a recent power surge or a door connection that isn’t seated. The fix is to cut the power, reconnect the wire harness above the door, then restore power. If PC ER returns, the refrigerator needs service.
Try this first
- Unplug the refrigerator or switch off its breaker.
- Find the wire harness connector above the door, at the top hinge.
- Disconnect the harness and reconnect it firmly.
- Restore power and check the display.
What causes PC ER
| Cause | What you notice | What to check |
|---|---|---|
| Recent power surge | PC ER after a storm or outage | Power reset |
| Door wire harness not connected properly | PC ER after the doors were removed or moved | The connector above the door |
| Damaged wiring or control board | PC ER returns after reconnecting | Needs a technician |
Fix it step by step
Tap a step number to tick it off as you go. Ticks stay on this device.
-
Cut the power
Unplug the refrigerator or switch off its circuit breaker.
Safety: Never touch the wire harness with power on.
-
Find the harness
Locate the wire harness that runs from the top of the door into the cabinet, near the top hinge.
-
Reconnect the harness
Disconnect the plug, check that the pins are clean and straight, then push it back together until it clicks.
Safety: If the wires are pinched or burned, stop and call service.
-
Restore power
Plug the refrigerator back in or switch the breaker on, and watch whether PC ER clears.
When to call a technician
If PC ER returns after you reconnect the door harness, or you can't find a harness above the door, Samsung says to request service. Don't open control boards or splice wiring yourself.
Questions people ask
Is PC CH the same as PC ER?
Yes. Samsung lists PC ER and PC CH together as a communication error.
Why did PC ER show up after I removed the doors?
Removing the doors disconnects the wire harness above the door. If it isn't reconnected fully, the display and the main board can't talk.
Can a power surge cause PC ER?
Yes. Samsung says a recent power surge is one cause. A power reset plus reconnecting the harness often clears it.