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Verified boiler fault-code guides
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Worcester Bosch · Greenstar 8000 Life System
- Worcester Bosch 604System fault burner control unit.
- Worcester Bosch 811Hot water heating: thermal disinfection failed.
- Worcester Bosch 1010No communication via EMS BUS connection.
- Worcester Bosch 1018Maintenance interval expired.
- Worcester Bosch 1022Cylinder temp. sensor faulty or contact problems.
- Worcester Bosch 1023Maximum run time including standby time reached.
- Worcester Bosch 1037Outside temp. sensor faulty - heating back-up operation active.
- Worcester Bosch 1068Outside temp. sensor or lambda probe faulty.
- Worcester Bosch 1070Maintenance is due on <dd.mm.yyyy> please call your service engineer.
- Worcester Bosch 1071Maintenance is now due please call your service engineer.
- Worcester Bosch 1072Maintenance is overdue please call your service engineer.
- Worcester Bosch 1075Heat exchanger temp sensor short circuit.
- Worcester Bosch 1076Heat exchanger temp sensor disconnected.
- Worcester Bosch 2085Internal fault.
- Worcester Bosch 2908System fault boiler electronics / basic controller.
- Worcester Bosch 2931System fault boiler electronics / basic controller.
- Worcester Bosch 2940System fault burner control unit.
- Worcester Bosch 2957Boiler electr. system fault.
- Worcester Bosch 2972Mains voltage too low.
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