BoilerFaultCodesWhat the manual says
Manufacturer manualAutomatic filling in progress.
From this model's manual
Verified against the Glow Worm/Glow Worm Energy 35 Store Installation And Maintenance Instruc installation & service manual.
DIY fix possible
Wait a few minutes for the automatic filling cycle to finish and reset the boiler.Check that the internal filling loop or automatic filling device is fully closed if the cycle does not stop.If the message persists, switch the boiler off and on again to clear the temporary status message.
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Related fault codes
All 72 fault codes on the Energy 35 Store
Seeing a different code? Every code this model can display, in one place.