Low
r2 on Worcester Bosch Greenstar 25HE

Your boiler is currently in the middle of a internal software reset process and is not experiencing a fault.

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

Display shows r2 followed by [ ] during factory reset

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 38 fault codes on the Greenstar 25HE

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

.00.01.2.2.02.42.52.63.35.05.29.324 V fuse blownA1A5A7A8ACAdb1C1C6d3E2E9EAF0F7FAFaultFdP1P2P3P4P6r1

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