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

1. undefined: 1. Check the consumer's power conditions and operating voltage 2. undefined: 2. Connect a tester to the internal power supply terminals during the Sanitize Cycle and observe operation carefully 3. undefined: 3. Check the voltage — error occurs if supplied voltage is too low or too high 4. undefined: 4. Check whether a plug outlet or extension cord is used — when the connecting wire is 1m, a momentary low voltage may drop up to 10V 5. undefined: 5. After eliminating the AC Connector PBA, check whether it is shorted, or replace Main PBA 6. undefined: 6. After eliminating the motor connector, if motor is shorted replace the motor and PBA; if not, replace Main PBA

Samsung Washers2024–present

Error Code 9C1

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

The washer is not receiving enough electrical power Under voltage supplied to the washer; Extension cord causing voltage drop; Main PBA fault (sometimes); Defective Inverter PBA; Plug outlet used instead of direct wall connection

The washer is not receiving enough electrical power

Critical

Stop using immediately - risk of damage or safety issue

Also displayed as: 9C1

What This Means

Under voltage supplied to the washer; Extension cord causing voltage drop; Main PBA fault (sometimes); Defective Inverter PBA; Plug outlet used instead of direct wall connection

What actually causes this:

The washer is plugged into an extension cord or a weak outlet that drops voltage

First Thing to Check

Make sure the washer is plugged directly into a wall outlet, not an extension cord or power strip

Parts Involved

Main PBAInverter PBAPower Cord

How to Fix

1
1. Check the consumer's power conditions and operating voltage
2
2. Connect a tester to the internal power supply terminals during the Sanitize Cycle and observe operation carefully
3
3. Check the voltage — error occurs if supplied voltage is too low or too high
4
4. Check whether a plug outlet or extension cord is used — when the connecting wire is 1m, a momentary low voltage may drop up to 10V
5
5. After eliminating the AC Connector PBA, check whether it is shorted, or replace Main PBA
6
6. After eliminating the motor connector, if motor is shorted replace the motor and PBA; if not, replace Main PBA