U03

Panasonic Program Setting / Memory Error (User Reset Required)

Dishwasher displays U03 and will not start, often after a power interruption.

Possible Causes

Interrupted previous cycle, control memory not cleared, user program lock active.

How to Fix / Troubleshooting

Cancel the current program: Press and hold the Start/Cancel button (or follow the Panasonic manual) until the machine drains and resets.
Power cycle: Turn off power at the breaker for 1–2 minutes, then restore power.
Re-select the program: Choose the desired wash program and options again, then close the door to start.

If U03 continues, the control board may have a memory fault and require service.

Repair Difficulty

Very Easy 1/5