mypros+
Error code reference

Samsung Dishwasher Error Code 3C1

Circulation pump motor error (Inverter PBA related)

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the 3C1 error code actually means

Your Samsung dishwasher has detected a problem with the motor that pumps water through the spray arms during a wash cycle. The control board that runs this motor has stopped it to avoid damage. The dishwasher will not wash dishes until this issue is diagnosed and repaired.

Diagnostic procedure

The full 3C1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check connections between Inverter PBA and Circulation Pump.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 3C1 procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of 3C1

Ranked by how often they cause this code
  1. 1Loose or damaged wiring connections
  2. 2Faulty inverter PBA
  3. 3Failed circulation pump motor
  4. 4Water or moisture intrusion on the inverter PBA
  5. 5Intermittent power supply issue

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about 3C1

What does 3C1 mean on a Samsung dishwasher?
The 3C1 code on a Samsung dishwasher indicates a circulation pump motor error specifically related to the inverter PBA, which is the control board that drives the pump motor. When this fault is detected, the dishwasher stops the pump to protect components. It is a sub-code of the broader 3C fault category and points to a communication or drive failure between the inverter board and the pump motor.
Is it safe to keep using my dishwasher when error code 3C1 is showing?
No, you should not attempt to run the dishwasher while the 3C1 code is active. The dishwasher has already halted pump operation as a protective measure, and attempting to force cycles could risk further damage to the inverter PBA or the pump motor. Address the fault before resuming normal use.
How much does it cost to repair a Samsung dishwasher showing error code 3C1?
Repair costs depend on which component has failed. Reseating wiring connections costs nothing beyond your time. Replacing the inverter PBA typically falls in the range of $100 to $250 for the part alone, with additional labor costs if a technician is hired. A replacement circulation pump motor generally ranges from $80 to $200 depending on the model, plus labor if applicable.
Can I fix error code 3C1 myself on a Samsung dishwasher?
Some causes of the 3C1 code are DIY-accessible, particularly checking and reseating the wiring connectors between the inverter PBA and the circulation pump. If the connections are secure and the error persists, diagnosing or replacing the inverter PBA or pump motor typically requires comfort working with electrical components and some appliance repair experience. If you are not confident working around electrical parts, a qualified technician is recommended.
Will resetting the dishwasher clear the 3C1 error code?
A reset may temporarily clear the 3C1 code from the display, but it will return as soon as the dishwasher attempts to run the circulation pump if the underlying fault has not been corrected. Resetting is useful for confirming whether the fault is intermittent or persistent, but it does not repair the wiring, inverter PBA, or pump motor that caused the code.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass