Low
2 08 on Ariston Genus HE

Your boiler has detected that the solar collector on your roof is at risk of freezing and is running its protection cycle to prevent damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Collector frost protection temperature

From this model's manual
Verified against the Ariston Genus He installation & service manual, page 34.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that the solar fluid levels are adequate in the system gaugeEnsure the solar pump station is powered onMonitor the display; this code usually clears automatically once the fluid has circulated or the temperature rises

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