Worcester Bosch · Greenstar 2000 Combi

1018 boiler fault code

Greenstar 2000 Combi

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What 1018 means

Maintenance interval expired: a service is due.

Gas Safe engineer: Contact a Gas Safe registered engineer to investigate this fault.

If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.

Safe check

Note the displayed code and contact a Gas Safe registered engineer. This is a service reminder, not a breakdown; the boiler may keep working. Book a Gas Safe registered engineer service.

When to contact an engineer

Contact a Gas Safe registered engineer to investigate this fault.

Source and provenance