Medium
EE 8800 on Ariston E-Combi One

Your boiler's wall-mounted thermostat control is unable to communicate with the system due to a wiring or sensor fault, which may prevent your heating from turning on.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description

Remote Control CLIMAMANAGER room sensor in open circuit or short circuit

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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