What the manual says
Manufacturer manualBrief mains voltage failure
From this model's manual
Verified against the Worcester Bosch/Worcester Bosch 2000 Gc2000iw 2019 installation & service manual, page 82.
DIY fix possible
Check that your boiler's power switch is firmly in the 'on' position.Check your household consumer unit to ensure the circuit breaker for the heating system hasn't tripped.Ensure the plug socket supplying the boiler is fully pushed in if it is not hard-wired.
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Related fault codes
All 144 fault codes on the 2000 GC2000iW 25 C NG
Seeing a different code? Every code this model can display, in one place.
20020120220320420720821221421522422722822923223323423523723824224424524624724925025125225325425625725825926226326426526826927027327528130530632334134235035135635735836036236336436560481081510131014101710181021102210231065106810731074107510762051208529082909291029112912291329142915291629172918292029212922292329242925292629272928293029312932294029412942294329452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692971297229732974b1C1C4C6Constant redd1d3E2Flashing red