Samsung DISHWASHER, Service Manual, Page: 56 / 72

54 _ Troubleshooting
Error Type Error mode Checking method Corrective actions
Half load error PE
1. Check the connections for the Distributor Motor and Micro
Switch connectors.
- Reconnect the Distributor Motor and Micro Switch connectors.
2. Check whether the coil in Distributor Motor is conductive.
: Remove the connectors before measuring.
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- Faulty: Replace the Distributor Motor.
3. Check the position sensing operations when turning the
Micro Switch on and off.(Use n5 Service test mode.)
Check the conduction between the brown wire and the
Violet wire.
׻ Micro switch On: Short
׻ Micro switch Off: Open
- Micro Switch sign alters in ON/OFF state.
- It is NG if keep in ON or OFF state for 120 seconds.
* Do not supply with water and test.
- Faulty: Replace the Micro Switch for sensing positions.
- Normal: Replace the valve distributor and CAM switch.
4. Adjust Cam A’ssy and Find the faulty. - Faulty: Replace Cam A’ssy.
5. Check whether half load is operating normally.
- Check the half load operation
׻ Normal : 110 ~ 120V
- Check the operation of Distributor Motor Relay.
: Check the operating voltage between the 3pin(Brown) wire
of the Main PBA CN201 connector and the 1pin(Black)
wire of the Main PBA CN101 connector
׻ Normal : 110 ~ 120V (while operating)
- Faulty: Replace the Main PBA assy.
6. Check the Power Relay. - See the “Power Relay error”.