Panasonic Dishwasher Error Codes (What They Mean + Fixes)

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If your Panasonic dishwasher is displaying an error code, it means the appliance has detected a condition that may prevent normal operation. This guide explains the most common Panasonic dishwasher error codes, what they usually mean, and safe checks you can try before calling service.

Common Panasonic Dishwasher Error Codes

H01 — Heating Error

What it usually means

  • The dishwasher is not heating water to the required temperature.

Try this

  1. Restart the dishwasher.
  2. Run a normal (non-Eco) cycle once.
  3. Ensure filters are clean to allow proper water circulation.

Call service if

  • Dishes remain cold after multiple cycles.

H02 — Temperature Sensor Error

What it usually means

  • The dishwasher cannot read water temperature correctly.

Try this

  1. Turn power off for 5 minutes.
  2. Restart and run a short cycle.

Call service if

  • The error repeats on multiple programs.

H03 — Drying System Error

What it usually means

  • A fault has been detected in the drying function.

Try this

  1. Ensure rinse aid is filled.
  2. Restart the dishwasher.

Call service if

  • Dishes remain consistently wet after cycles.

H04 — Water Supply Error

What it usually means

  • The dishwasher is not filling with enough water.

Try this

  1. Ensure the water tap is fully open.
  2. Check the inlet hose for kinks or twists.
  3. Restart the dishwasher.

Call service if

  • No water enters the dishwasher.

H05 — Drain Error

What it usually means

  • The dishwasher cannot drain water properly.

Try this

  1. Clean the bottom filters thoroughly.
  2. Check the drain hose for blockages.
  3. Restart and try a short cycle.

Call service if

  • Water remains in the base after cleaning.

H06 — Water Level Detection Error

What it usually means

  • The dishwasher cannot correctly detect the water level.

Try this

  1. Ensure filters are seated correctly.
  2. Avoid using excess detergent.
  3. Restart the unit.

Call service if

  • The error repeats across cycles.

H07 — Circulation Motor Error

What it usually means

  • A problem has been detected with the wash motor.

Try this

  1. Turn power off for 5 minutes.
  2. Ensure spray arms can rotate freely.

Call service if

  • The dishwasher stops mid-cycle or makes abnormal noises.

H08 — Inlet Valve Error

What it usually means

  • The water inlet valve is not operating correctly.

Try this

  1. Check water supply pressure.
  2. Restart the dishwasher.

Call service if

  • The dishwasher fails to fill repeatedly.

H10 — Leak Detected

What it usually means

  • Water has been detected in the base tray.

Try this

  1. Turn off power immediately.
  2. Check for visible leaks around the unit.
  3. Allow the base to dry before restarting once.

Call service if

  • The error returns or leaking is visible.

H12 — Thermistor Error

What it usually means

  • The temperature sensor is reporting abnormal values.

Try this

  1. Power off for 5 minutes.
  2. Restart and test with a short cycle.

Call service if

  • The error continues.

H15 — Control Board Error

What it usually means

  • An internal electronic control fault has been detected.

Try this

  1. Restart after turning power off.

Call service if

  • The dishwasher will not start or the error returns immediately.

H17 — Communication Error

What it usually means

  • Internal components are not communicating correctly.

Try this

  1. Turn power off for 5 minutes.
  2. Restart the dishwasher.

Call service if

  • The error prevents normal operation.

How to Clear a Panasonic Dishwasher Error Code

  1. Turn the dishwasher off.
  2. Switch off power at the wall for 5 minutes.
  3. Restore power and start a short test cycle.

If the error returns immediately, it usually indicates an active fault.

When to Call Service

  • Leak-related errors that return after drying
  • Repeated drain or fill errors
  • Heating or motor faults
  • Control or communication errors

FAQ

Can detergent cause Panasonic dishwasher error codes?

Yes. Excess detergent can create foam that interferes with drainage and sensor readings.

Do Panasonic dishwasher error codes vary by model?

Yes. Codes can vary slightly by model and year, but the meanings above apply to most Panasonic dishwashers.

Is it safe to keep resetting the dishwasher?

Occasional resets are fine, but repeated resets without fixing the cause are not recommended.