Low
.0 on Worcester Bosch ZB 7 27 HE

Your boiler is simply displaying the history of the last recorded technical fault for your engineer to review.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Show the last error code

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 25he installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 31 fault codes on the ZB 7 27 HE

Seeing a different code? Every code this model can display, in one place.

2.02.22.42.52.65.05.29.3A1A5A7A8ACAdb1C1CCd3E2E9EAF0F7FAFdP1P1, P2, P3, P1...P2P3r1

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