What does the Worcester Bosch 2 lights flashing fast fault code mean?

Your boiler has detected an internal fault preventing it from lighting, most likely caused by a failed safety sensor or a malfunction in the ignition sequence.

How much does it cost to fix Worcester Bosch error code 2 lights flashing fast?

Typical repair cost for the Worcester Bosch 2 lights flashing fast fault is £150-300 including labour.

Worcester Bosch 2 lights flashing fast Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

FAIL POINT K or L

Shared across the 28Si 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.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer

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Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like 2 lights flashing fast: no call-out fees, no surprise bills.

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All 11 fault codes on the 28Si

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

Autofrostat Function CH light On F1 F2 FAIL POINT K Fan runs Fast flash Lock-out Pump runs Slow flash

Your boiler has detected an internal fault preventing it from lighting, most likely caused by a failed safety sensor or a malfunction in the ignition sequence.

What the manual says

Engineer required

Avoid the next call-out bill

All 11 fault codes on the 28Si

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