What the manual says
Manufacturer manualIlluminated when there is a failure to ignite or maintain flame. Requires pressing the red reset button.
Shared across the Boxer C 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.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 6 fault codes on the Boxer
Seeing a different code? Every code this model can display, in one place.