Samsung washing machine: error UC
Code UC on a Samsung washing machine display means: supply voltage fluctuates too much.
- Meaning
- Supply voltage fluctuates too much
- Check first
- Plug the washing machine straight into a wall socket, without an extension cord.
- Repair shop
- 410–1000 zł
Most common causes
- Unstable mains
- Extension cord or weak socket
What you can check yourself
Plug the washing machine straight into a wall socket, without an extension cord.
Unplug it for 5 minutes and turn it on again.
If the error comes back, check the electrical installation or call an electrician.
- the error keeps coming back after these checks,
- water is leaking or you smell burning,
- the appliance trips the circuit breaker.
More detail in our guide: Washing machine won't turn on →
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What does error UC mean on a Samsung washing machine?
Code UC means: supply voltage fluctuates too much. The most common causes: unstable mains, extension cord or weak socket.
Can I keep using the washing machine with error UC?
If the error goes away after the checks above, yes. If it keeps coming back, water leaks, you smell burning or the breaker trips, stop using it and call a repair service.
Other codes: Samsung washing machine
- 4C / 4Ewashing machine is not filling with water
- 5C / 5Ewashing machine is not draining water
- dC / dEdoor is not closed or locked
- Ub / UElaundry is unevenly distributed in the drum
- LC / LEwater leak or water in the base
- HC / HEwater heating problem
- 3C / 3Emotor fault
- tC / tEtemperature sensor fault
- OC / OEtoo much water in the drum
- Sud / SUdtoo much foam
- 1C / 1Ewater level sensor fault
- 6C / 6Eheating element is not working
A code can mean different things on different models and years. Always check the manual or the manufacturer's support page too. Repair prices are approximate, for repair shops in Poland.