Field Actions
DISPATCHAlways disconnect appliance from 230V/400V mains before opening panels. Use CAT III multimeter for circuit testing.
Frequently Asked Questions: Panasonic H23
FAQ TREEWhat does error code H23 mean on a Panasonic appliance?
Panasonic error code H23 indicates: Machine trips breaker or doesn't heat water..
What is the root cause of Panasonic error code H23?
The primary root cause for Panasonic code H23 is: A fault in the heating circuit, typically a heater relay on the main control board has failed..
How do I fix or resolve Panasonic error code H23?
To resolve error code H23: This is a fault on the main PCB. The board will need to be professionally repaired or replaced.
Is it safe to clear Panasonic error code H23 by resetting power?
Resetting power (unplugging for 5–10 minutes) clears temporary memory errors. However, if Panasonic code H23 persists, the physical component causing A fault in the heating circuit, typically a heater relay on the main control board has failed. must be inspected or replaced.
How do I test electrical resistance for Panasonic code H23 using a multimeter?
Set a digital multimeter to ohms (Ω). Disconnect power and test Immersion / Air Heating Element & Klixon Thermostat across Between element terminals (unwired). Insulation to earth casing: >20MΩ (OL). Expected nominal reading is 25Ω–28Ω (230V / 2000W) / <0.5Ω (Safety Klixon closed). Tolerance: Formula R = V²/P (±5%). Any earth leakage reading below 2MΩ will trip the domestic 30mA RCD breaker..
What safety protocol must be followed before servicing Panasonic code H23?
Standard electrical safety protocol: 1. Disconnect 230V mains power before opening panels. 2. Verify zero voltage at test points. 3. Allow hot water or heating elements to cool below 30°C before handling.
Community Verification
COMMUNITYDid this solution resolve the issue?



