BoilerFaultCodesWhat the manual says
Manufacturer manualDHWmode:Burneron
Shared across the ecoTEC exclusive range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
What causes this fault?
This code appears when the boiler's internal burner has successfully ignited and is currently generating heat for your radiators or hot water. It is not a fault, but rather a status message indicating that the system is working exactly as intended. You will see this whenever the thermostat or a hot tap calls for energy.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Related fault codes
All 71 fault codes on the ecoTEC exclusive
Seeing a different code? Every code this model can display, in one place.