EE 8800 Medium

Ariston EE 8800 Fault Code

Also written as EE8800 — same fault.

The Ariston EE 8800 fault code means: 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.. It appears on 4 Ariston models in our database.

Book a service

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
Typical repair cost £120-220 (including labour)

Engineer required

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

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Ariston models that show the EE 8800 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Ariston EE 8800 fault code information on this page is sourced and cross-checked against the official Ariston service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026