Worcester Bosch Highflow CDi Fault Codes

Combi Natural GasLPG 29-44 kW 2007-2019 Discontinued

GC Numbers: 47-108-1147-108-12

Replaced by: Greenstar 8000 Lifestyle

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

All 2 fault codes

Code	Severity	Plain English	DIY
Light off	Low	Your boiler is currently sitting in standby mode because it hasn't received a signal from your thermostat or timer to start heating.	Yes
Light on	Low	Your boiler is working normally and is currently heating your home or water as requested.	Yes

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