Low
AF on Ravenheat HE80 98S

Your boiler has detected that the temperature inside the unit is very low and has briefly activated its internal heater to prevent the pipes from freezing.

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

Frost protection device operating

From this model's manual
Verified against the Ravenheat/Ravenheat Bm Ravenheat He80 98s Min installation & service manual.
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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Related fault codes

AFView →

All 4 fault codes on the HE80 98S

Seeing a different code? Every code this model can display, in one place.

08EE01E08

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