Low
100 on Baxi 600 Combi (range)

Your boiler is currently running at maximum power for a performance test and this is a normal status message, not a system failure.

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

Indicator of maximum output during chimney sweep mode

From this model's manual
Verified against the Baxi 200 400 Combi Combi 2 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

Wait for the engineer to finish their testingTurn the selector dial or press the 'Reset' button to exit standard operation modeSwitch the boiler off and back on at the fused spur switch to reset the display

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Boiler cover options

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