Lock-out signal lamp E blinks Medium

Biasi Lock-out signal lamp E blinks Fault Code

Also written as LOCKOUTSIGNALLAMPEBLINKS — same fault.

The Biasi Lock-out signal lamp E blinks fault code means: your boiler has entered a configuration mode and needs its settings saved before it can function normally again.. It appears on 1 Biasi model in our database.

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.

Technical description: Indicates that the setting has changed and must be memorised (ignition pressure adjustment mode).
Typical repair cost £80-140 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Biasi models that show the Lock-out signal lamp E blinks fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Biasi Lock-out signal lamp E blinks fault code information on this page is sourced and cross-checked against the official Biasi service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026