Low
10 on Baxi System 35/60 / 60/100

Your boiler is simply performing a routine startup check as it powers on, which is a normal part of its operation.

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

Power On

From this model's manual
Verified against the Baxi System 35 60 60 100 installation & service manual, page 48.
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

Check if the boiler display screen is showing any other flashing warning lights or error codes.Ensure your thermostat is calling for heat to see if the system begins normal operation.If the boiler remains on this status for an extended period without starting, simply switch the power off at the fused spur for 60 seconds and switch it back on to force a reboot.

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