Dishwasher displays U02 and beeps; the cycle does not start.

Safety first: Turn off power if removing the inner door panel.

• Refill rinse aid: Open the rinse aid compartment and fill with a Panasonic-approved rinse aid until the indicator shows full.
• Check dispenser lid: Ensure the detergent and rinse aid lids close and latch securely.
• Clean the dispenser: Wipe away any dried detergent or residue around the dispenser that may prevent proper opening.
• Test the dispenser: Run a cycle and check mid-cycle if the detergent door has opened. If not, the dispenser solenoid may be faulty.

Replace the complete dispenser assembly if it fails to open or leaks.