Low
50 on Baxi Solo 3 PFL

Your Baxi Solo 3 boiler is not experiencing a fault code; rather, 50 is a capacity indicator confirming your boiler is the 50,000 Btu/h model version.

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

14.65kW (50,000 Btu/h)

Shared across the Solo 3 PFL 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

This fault may be fixable without an engineer. Check your manual first.

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Avoid the next call-out bill

A cover plan would handle faults like 50: no call-out fees, no surprise bills.

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All 6 fault codes on the Solo 3 PFL

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

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