Low
38 on Chaffoteaux Calydra 100

This code simply indicates that your boiler is switched on and operating in its normal standby state.

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

Green indicator - Power ON

From this model's manual
Verified against the Chaffoteaux/Chaffoteaux Calydra 100 installation & service manual, page 29.
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

No action is required as this is a normal status indicator showing the system has power.

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All 5 fault codes on the Calydra 100

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

34394041

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