Low
Bat on Main Eco Compact 30 Combi

Your boiler's backup battery accessory has an error or has run out of power, which usually means the system cannot save its settings or time during a power cut.

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

Safety Assist accessory battery error

From this model's manual
Verified against the Baxi/Baxi Eco Compact 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.

DIY fix possible

Locate the Safety Assist accessory module connected to your boilerCheck if the batteries inside the accessory need replacing (usually standard AA or AAA)Ensure the battery compartment is clean and the batteries are inserted correctlyRestart the boiler to see if the message clears

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Related fault codes

All 9 fault codes on the Eco Compact 30 Combi

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

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