Low
06 on Chaffoteaux Calydra 23 Green

Your boiler has detected very low internal temperatures and is automatically running the pump and burner 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

Anti freezing system, pump and burner on

From this model's manual
Verified against the Chaffoteaux Calydra 23 Green installation & service manual, page 17.
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

Ensure the boiler remains plugged in and switched on at the wallCheck that your main gas supply is activeWait for the boiler to complete its cycle and the temperature to rise

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