What the manual says
Manufacturer manualMains electricity supply is On
Shared across the Performa 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.
DIY fix possible
Check your thermostat or programmer settings to ensure there is a demand for heating or hot waterEnsure the boiler's mode selector switch is set to the desired setting for heating and hot waterAdjust your room thermostat to a higher temperature to trigger the firing process
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All 17 fault codes on the Performa SL HE 9 2
Seeing a different code? Every code this model can display, in one place.
Air Proving LOCKOUTAPS Stuck FaultBurner On (Green) light flashBurner On (Green) light onCasting Thermistor FaultE01Electrical Supply FaultFalse Flame FaultFlow Thermistor FaultIgnition LOCKOUTLockout (Red) flashingLockout (Red) light flashLockout (Red) light onOverheat LOCKOUTPCB FaultWater Circulation LOCKOUT