High
Mains LED flashing on Baxi 130 HE (range)

Your boiler is failing to communicate with its control panel, which means it cannot receive instructions to switch on for heating or hot water.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Control knob is not on, or fault in wiring between control PCB and interface PCB / faulty control PCB.

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.

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