BoilerFaultCodesDaikin Boiler Fault Codes
46 fault codes across 1 Daikin boiler models.
Japanese HVAC giant. Increasingly popular for heat pumps and hybrid systems in the UK.
Most searched Daikin fault codes
10-64 10-65 11-64 11-65 11-66
Your boiler has detected a communication issue with its internal gas control system and has shut down as a safety precaution.
D2CND
Your boiler has detected an electrical issue with the gas control system and has shut down as a safety precaution.
D2CND
Your boiler is having trouble lighting the gas to start the heating process and may need to be restarted.
D2CND
Your boiler is struggling to keep the flame steady and will keep trying to restart itself until it succeeds.
D2CND
Your boiler is struggling to light or recognize that a flame has started, causing it to shut down for safety after several failed attempts.
D2CND
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