High
APPLIANCE COMPLETELY SHUT DOWN on Ariston Egis 24 MFFI

Your boiler has lost all power or cannot start up at all, leaving you without any 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

Main switch is on position “ON” but boiler does not operate; requires checking fuses, room thermostat, overheat thermostat (Ref. 15), and pump (Ref. 28)

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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