Low
69 on Sime Planet Dewy BFR

Your boiler is currently running a scheduled high-temperature cycle to ensure the water inside your hot water tank remains hygienic and free from bacteria.

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

Anti-bacterial function (with storage capacity boiler unit)

From this model's manual
Verified against the Sime Planet Dewy Bfr installation & service manual, page 19.
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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