How do I fix error code 9C1 on a Samsung washers?

1. undefined: 1. Check the PCB and wire harness 2. undefined: 2. Verify power supplied from the AC outlet is accurate at 120 VAC 3. undefined: 3. Check the operating voltage at the internal power terminals during Wash or Spin cycles 4. undefined: 4. Check for over voltages 5. undefined: 5. Check if an extension cord is used — a 1m extension cord can produce a momentary voltage drop up to 10 VAC 6. undefined: 6. If Main PBA defect, replace Main PBA

Samsung Washers2024–present

Error Code 9C1

Q: What does error code 9C1 mean on a Samsung washers?

The power supply voltage is too high Over voltage supplied from the AC outlet; PCB defect; Wire harness damage; Faulty home electrical circuit

The power supply voltage is too high

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 9C1

What This Means

Over voltage supplied from the AC outlet; PCB defect; Wire harness damage; Faulty home electrical circuit

What actually causes this:

The electrical outlet is delivering more than 120 volts, or a power surge occurred

First Thing to Check

Unplug the washer and plug it directly into the wall outlet — do not use an extension cord

Parts Involved

Main PBAWire HarnessPower Cord

How to Fix

1
1. Check the PCB and wire harness
2
2. Verify power supplied from the AC outlet is accurate at 120 VAC
3
3. Check the operating voltage at the internal power terminals during Wash or Spin cycles
4
4. Check for over voltages
5
5. Check if an extension cord is used — a 1m extension cord can produce a momentary voltage drop up to 10 VAC
6
6. If Main PBA defect, replace Main PBA