Samsung Washing Machine 9C1 error code

The washer detected a power problem - the voltage is too high, too low, or was interrupted. It stops to protect its electronic controls.

Also shown as: 9C1, 9E1, 9C2, UC

Last updated: October 6, 2026

Quick answer: Samsung washing machine error code 9C1: power supply voltage problem. The most common cause is unstable household voltage or brownout. Try this first — plug the washer directly into the wall. If that does not clear it, reset the circuit breaker.

What causes the 9C1 error?

  • Unstable household voltage or brownout
  • Washer plugged into an extension cord or power strip
  • Loose power cord connection
  • Tripped or weak circuit breaker
  • Faulty wall outlet
  • Failed electronic control board

How to fix Samsung 9C1 — step by step

Work through these in order, from simplest and safest first. Stop as soon as the code clears.

  1. Plug the washer directly into the wall
    Remove any extension cord or power strip and plug the washer straight into a grounded wall outlet. Samsung specifically warns against extension cords for this code.
    Safety warning: Washers must never run permanently on an extension cord.
  2. Reset the circuit breaker
    Switch the washer's breaker fully off, wait 30 seconds, then switch it fully back on. A half-tripped breaker causes the unstable supply behind 9C1.
    Safety warning: If the breaker trips again immediately, call an electrician.
  3. Power-cycle the washer
    Unplug the washer for 2 to 3 minutes, then plug it back in and try a cycle. This clears the fault after a momentary power dip.

When to call a technician

Stop and call a qualified technician if any of these apply:
  • 9C1 returns on a direct wall connection
  • The outlet or breaker shows damage or heat
  • The power cord needs inspection
  • The electronic control board is suspect

Frequently asked questions

Can a power outage cause 9C1?

Yes - outages and brownouts are the most common triggers. One reset after stable power returns usually clears it.

9C1 appears at the same time every day. Why?

That pattern suggests your supply dips at peak hours. An electrician should check the circuit and outlet.

Is 9C1 the same as PF?

They are related: PF means the power was interrupted mid-cycle, while 9C1 means the voltage itself is out of range. Both are supply problems, not washer faults.

Sources

Every meaning and fix above was checked against official manufacturer documentation:

FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.

Related error codes

Samsung 4E Samsung 5E Samsung UE Samsung LE Samsung dE Samsung 3E Samsung Sud LG OE

All Washing Machine error codes across brands · All Samsung codes →