Low
180 on Atag iC28

This is a normal notification indicating that the boiler has just finished a service test and is returning to its usual operation.

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

No error: shortly visible when leaving chimney sweep function

Community-sourced, unverified
We could not tie this code to a specific manual. Treat it as indicative only.
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; the code will disappear on its own within a few seconds.If the code persists, try pressing the 'Reset' button once.Breathe a sigh of relief as this is not a fault.

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All 18 fault codes on the iC28

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

102040506178105110111117118119129133151154181

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