Medium
AM010 on Baxi 224 Combi 2

Your boiler's internal pump is having trouble regulating its speed or is not reporting it correctly, which may affect its ability to circulate heat.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Pump speed (0 ÷ 100%)

Shared across the 224 Combi 2 range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s 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

Turn the boiler power off at the fused spur switch for 30 seconds and turn it back on to reset the electronics.Check that your radiator valves are open to ensure water can flow freely.Ensure the system pressure is between 1.0 and 1.5 bar on the front gauge.

Find a Gas Safe engineer
Search the official register →
Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like AM010: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

All 36 fault codes on the 224 Combi 2

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

10AM001AM011AM012AM014AM015E:00.04E:00.05E:01.04E:01.17E:01.20E:02.17E:02.47E:04.00E:04.01E:04.02E:04.03E:04.08E:04.10E:04.12E:04.13E:04.17H:01.00H:01.05H:01.08H:01.14H:01.18H:01.21H:02.02H:02.03H:02.04H:03.00H:03.01H:03.02SVC

Related guides you might find useful

Banging, kettling or whistling noise

Each noise points to a different fault.

Read →

Is boiler cover worth it?

Break-even maths on monthly cover.

Read →

When to replace your boiler

7 signs repair isn't worth it anymore.

Read →