High
E01 372 on Ideal Mexico Super CF3 40-80

Your boiler's main burner is failing to ignite or communicate correctly, meaning your heating and hot water will likely stop working.

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

Main burner: RH (RS 485 & 4100)

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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