High
Automatic Shutdown on Ideal Mexico HE

Your boiler has switched off because water produced during the heating process cannot drain away properly, likely due to a blockage in the pipe leading outside.

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

Blockage of the condensate drain, caused by debris or freezing.

From this model's manual
Verified against the Ideal Mexico He 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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