BoilerFaultCodesWhat the manual says
Manufacturer manualStatus indicator: appliance is running properly in normal operation
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 is a normal status message indicating that the boiler's burner has successfully ignited and is currently generating heat. It appears when the system is actively responding to a request for central heating or hot water. It is not an error, but rather a confirmation that the combustion process is working exactly as it should.
DIY fix possible
This fault may be fixable without an engineer. Check your manual first.
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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.