E 06 Low

Chaffoteaux E 06 Fault Code

Also written as E06 — same fault.

The Chaffoteaux E 06 fault code means: your boiler has automatically triggered its frost protection mode because the internal temperature has dropped too low.. It appears on 1 Chaffoteaux model in our database.

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.

Technical description: Anti freezing system, pump and burner on

DIY fix possible

Check that the boiler is switched on and the room thermostat is not set to a very low temperatureEnsure the boiler is not in summer mode if the weather is freezingWait for the boiler to cycle through its protection phase; the code should clear once the internal temperature rises

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Chaffoteaux models that show the E 06 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Chaffoteaux E 06 fault code information on this page is sourced and cross-checked against the official Chaffoteaux service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026