About this guide
- Written by ApplianceWorth Editorial Team
- Technical contact Victor — appliance technician
- Record updated 2026-07-01
- Applies to Frigidaire refrigerators
- Confidence medium
- Also displayed as SYCF
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
The record-update date is a database timestamp, not proof of a fresh model-specific technical review. Check the applicability below and your manufacturer’s instructions before acting on a guide.
What this code means
At startup, the user-interface board and main control did not establish normal communication.
Most likely causes
- A loose or backed-out communication connector
- A pinched, broken or corroded wire harness
- A failed user-interface board
- A failed main control board or unstable power supply
Safe checks for the owner
- Disconnect the refrigerator from power for five minutes and reconnect it once.
- Note whether the display is blank, frozen or repeatedly restarting and whether cooling continues.
- Stop using the appliance if there is a burning smell, visible arcing or abnormal heating around the controls.
Estimated U.S. repair cost
$180–$380, depending on model, access, parts availability and local labor.