Worcester Bosch · Greenstar Si Compact ErP

EA 227 boiler fault code

Greenstar Si Compact ErP

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What EA 227 means

EA 227 indicates that no flame was detected after ignition; documented causes include no or low gas supply, a blocked condensate outlet, or a blocked flue.

Safe check

Contact your gas supplier if the gas supply is interrupted. If safe, look for ice at an accessible condensate outlet and an obvious blockage at the flue outlet from ground level; do not touch the flue. Thaw an accessible frozen condensate pipe from ground level with warm (not boiling) water, then reset once only.

When to contact an engineer

The code remains after one reset, the flue outlet appears blocked, or the condensate outlet cannot be reached safely; arrange a Gas Safe registered engineer.

Safety notice

A boiler fault code alone is not a gas or carbon-monoxide emergency. 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.

Source and provenance

Greenstar Si Compact ErP · 6 720 813 279 · pp. 17–19
installation and maintenance instructions
2014/09 · 6 720 813 279
Greenstar Si Compact ErP · 6 720 813 278 · p. 70
user instructions
2015/07 · 6 720 813 278

Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.

Did this fix it?

After: Reset the boiler once