Match the symptom, then work through the safe checks.
1. What best matches what you observe?
2. Complete only the checks that are safe for you.
Show stop conditions
- PC returns after one restart
- Grinding, repeated clutch movement, or abnormal mechanical noise occurs
- Clutch actuator, sensor, harness, or control testing is required
Likely causes
- The clutch mechanism is not reaching or reporting a recognizable position
- The clutch actuator or position-sensing path is not responding correctly
- A connector or harness in the clutch-position circuit is abnormal
- The control cannot interpret the clutch-position feedback and requires model-specific diagnosis
Quick checks, in order
Stop the cycle and record the code
Confirm the display is PC/PE rather than PC1/PE1 because Samsung assigns different meanings to the two conditions.
Power-cycle once
Turn the washer off for a few minutes, restore power, and retry one cycle only if there are no abnormal mechanical noises.
Listen for abnormal clutch movement
If the washer clicks, grinds, or repeatedly attempts to shift before PC appears, stop further retries.
Use Samsung service for persistent PC
Samsung directs clutch-position faults to service; internal clutch, harness, sensor, and control testing is not a normal user repair.
Can the washer detect any valid clutch position?
The control may be unable to establish the clutch position needed for the next motion state. Arrange service if one restart does not clear it.
Stop using the washer rather than repeatedly forcing transitions; mechanical or actuator diagnosis may be needed.
Use the PC1 guide instead; Samsung describes that as abnormal clutch Hall feedback after position detection.
Stop and get qualified help when
- PC returns after one restart
- Grinding, repeated clutch movement, or abnormal mechanical noise occurs
- Clutch actuator, sensor, harness, or control testing is required
Official support and model manuals
Use the full model number from the rating label. The manufacturer manual is the deciding reference when codes differ by region or product family.
Frequently asked questions
What does Samsung washer PC mean?
Samsung defines PC/PE as a clutch-position detection fault: the control cannot determine the clutch position.
Is PC the same as PC1?
No. PC means the clutch position cannot be detected, while PC1 means the position was detected but the clutch Hall-sensor signal is abnormal afterward.