High
H on Baxi Megaflo System 15 HE A

Your boiler has temporarily stopped working because it is not detecting a steady flame, which usually points to a gas supply issue or a sensor problem.

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.

What the manual says

Manufacturer manual

Check the gas supply pressure / Check and correct if necessary 1. The mechanical set of the gas valve 2. Flame sensing electrode and lead connections 3. Flame sensing electrode position

From this model's manual
Verified against the Baxi/Baxi Bm Baxi Megaflo System 15 18 24 28 32 He A Range Installation Servicing Instructions Manual installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the 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.

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Related fault codes

E119View →E133View →

All 16 fault codes on the Megaflo System 15 HE A

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

EE20E28E110E119E125E130E133E160E193FGIJK

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