Worcester Bosch · Greenstar 8000 Life Regular
1022 boiler fault code
What 1022 means
Cylinder temp. sensor faulty or contact problems.
Home step: Make a note of the displayed code. Do not remove the boiler casing or inspect internal gas, electrical or combustion components.
Gas Safe registered engineer: Use only the homeowner action in your product guide. If this fault or maintenance message remains or returns, contact Worcester Bosch or a Gas Safe registered engineer.
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, or someone has possible carbon-monoxide symptoms, leave and call 0800 111 999 from outside.
Safe check
Make a note of the displayed code. Do not remove the boiler casing or inspect internal gas, electrical or combustion components.
When to contact an engineer
Use only the homeowner action in your product guide. If this fault or maintenance message remains or returns, contact Worcester Bosch or a Gas Safe registered engineer.
Source and provenance
- Greenstar 8000 Life Regular Installation and Maintenance Instructions 6720883866, §10.1.2 Fault code table (Table 29), code 1022, printed p. 72
installation and maintenance instructions
2021/09 · listed for appliances manufactured from 01/11/2021 onwards