Low
105 on Atag iC28

Your boiler is currently running a seven-minute self-cleaning cycle to remove air bubbles from the pipes after the system pressure was too low.

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

De-aeration program will start. This will last for approx 7 mins. (triggered if pressure was below 0.7 bar)

From this model's manual
Verified against the Atag Ic28 installation & service manual, page 48.
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

Wait 7 minutes for the boiler to complete its automatic air-removal cycleCheck the pressure gauge is between 1.0 and 1.5 barIf the code returns, top up the water pressure using the filling loop

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