Samsung Refrigerator Error Code PC ER

What Does Error Code PC ER Mean on a Samsung Refrigerator?

Pump / compressor communication error — critical cooling failure.

The control board cannot communicate with the variable-speed compressor or its control module. This is a critical error. The refrigerator will stop cooling entirely.

What Causes Error Code PC ER?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Compressor control module failure 45% of cases
2. 2
   Main control board communication failure 30% of cases
3. 3
   Wiring harness fault between board and compressor 20% of cases
4. 4
   Compressor itself has failed 5% of cases

How to Fix Samsung Refrigerator Error Code PC ER

1. 1

   Power cycle

   Unplug for 5 minutes. Some communication errors clear on restart.

   ⚠️ If food is warm, move perishables immediately.
2. 2

   Check wiring harness to compressor

   Access the compressor area (back/bottom of unit) and check the communication wire harness for damage or loose connections.

3. 3

   Contact Samsung service

   PC ER on Samsung's linear/inverter compressors is often covered under Samsung's 10-year compressor warranty — even out of standard warranty.

How to Reset Error Code PC ER

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Related Error Codes

Find Replacement Parts

Use these links to find the exact replacement parts for your Samsung Refrigerator:

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Frequently Asked Questions