Medium
2 07 on Ariston Clas HE Evo

Your solar water heating system is getting too hot, likely due to low fluid levels or a circulation issue and is currently protecting itself by shutting down.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Solar collector overheating

From this model's manual
Verified against the Ariston Clas He 35 System installation & service manual, page 38.
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 fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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