F
sy ce
Moderate
Frigidaire · Refrigerators
Communication Error - Intermittent Communication Loss
Quick Answer
Error code SY CE on your Frigidaire Refrigerators means: Communication Error - Intermittent Communication Loss. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Intermittent wiring issue causing periodic communication drops between boards
  2. Electromagnetic interference from nearby equipment affecting the signal line
  3. Loose but not fully disconnected wire in the communication harness
  4. One board is experiencing intermittent power supply issues
How to Fix It
1
Unplug the refrigerator for 5 minutes to reset both control boards
2
Access the wiring harness and carefully inspect each connection, reseating all connectors
3
Look for any wires that appear to have frayed insulation or are loosely crimped in their connectors
4
Route the communication harness away from any high-power wiring (compressor or fan motor wires) to reduce interference
5
If the error continues intermittently, replace the communication harness
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
Communication wiring harness (model-specific)
Cable ties for routing
Related Error Codes
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