Error Code PC

The water distribution motor that directs spray isn't working properly

Also displayed as: No display (PC in recall)

What This Means

Synchronous motor (distributor motor) is out of order; Location in the cam is incorrect; Micro switch is defective; Cam assembly is misaligned or damaged

First Thing to Check

Parts Involved

How to Fix

1. 1

   1. Check the connections for the distributor motor and micro switch connectors — reconnect

2. 2

   2. Check whether the coil in distributor motor is conductive (remove connectors before measuring) — Normal: approximately 3.6-4.0k ohms

3. 3

   3. Check micro switch position sensing: conduction between brown wire and violet wire — Micro switch ON: SHORT, Micro switch OFF: OPEN. Use n5 Service test mode. Sign should alternate ON/OFF; NG if stuck in one state for 120 seconds

4. 4

   4. Adjust Cam Assembly and find the fault — replace Cam Assembly if faulty

5. 5

   5. Check whether half load is operating normally — check operation voltage: Normal 110-120V. Check distributor motor relay voltage between CN401 pin 3 (Brown) and CN101 pin 1 (White) — Normal: 110-120V while operating

6. 6

   6. Check the Power Relay

Parts Commonly Needed for This Error

OEM part numbers confirmed by retailers

This Error Applies To

Samsung DW80M9 Series Dishwashers (2018) (2018–present)