Low
180 on Atag S 25CR

Your boiler has successfully completed an automated diagnostic or calibration test and is ready to return to normal operation.

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

End of measuring procedure

From this model's manual
Verified against the Atag S 25cr installation & service manual, page 53.
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

Check the boiler display to see if the status has returned to standard operationIf the code persists, try turning the boiler off at the fused spur for 30 seconds and turning it back onMonitor the unit to ensure it resumes heating or hot water production as expected

Find a Gas Safe engineer
Search the official register →

Avoid the next call-out bill

A cover plan would handle faults like 180: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Related fault codes

Related guides you might find useful