Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Samsung refrigerators
- Confidence medium
- Also displayed as 41C
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
The main control and control-panel/display board are not exchanging data normally.
Most likely causes
- A loose or damaged communication harness
- A display or user-interface board failure
- A main-control board failure
- Moisture, corrosion or unstable power affecting electronics
Safe checks for the owner
- Disconnect power for several minutes and retry once.
- Note whether cooling continues even though the panel is blank or unresponsive.
- Request service if the code returns; avoid repeatedly cycling power.
Estimated U.S. repair cost
$300–$650, depending on model, access, parts availability and local labor.