High
E01-507 on Ideal Mexico CF3 40 & 50

Your boiler is failing to detect a flame because the internal component responsible for controlling the fuel supply is not operating correctly.

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

Gas valve assy. (V4600A1130 - 230V)

From this model's manual
Verified against the Ideal Mexico Cf3 40 50 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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