What the manual says
Manufacturer manualIF THIS IS NOT DONE THE APPLIANCE WILL INDICATE ERROR AND WILL NOT FUNCTION. (Related to code plug not being re-fitted to the new control)
Shared across the Greenstar 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 35 fault codes on the Greenstar 24i / 28i Junior
Seeing a different code? Every code this model can display, in one place.