Low
Err.5 on Atag Q 30CR

Your boiler is displaying a memory code that simply records the last fault it experienced, rather than indicating a current active problem.

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

Last predecessing error

From this model's manual
Verified against the Atag/Atag Q 30cr 4131010 installation & service manual.
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

Note down the code displayed alongside this error, as that is the actual issue needing attention.Try resetting your boiler using the reset button on the control panel.Monitor the boiler to see if the main fault code returns or if normal operation resumes.

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All 29 fault codes on the Q 30CR

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

Block 01Block 11Block 12Block 60Block 67Block 80Block 81Block 82Block 85C123Err.1Err.2Err.3Err.4Err.LError 00Error 01Error 02Error 04Error 05Error 12Error 18Error 19Error 28Error 69Error 80FILLHIGH

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