Low
S.07 on Heatline Monza

Your boiler is simply performing a routine cooling cycle to move hot water away from the heat exchanger, which is a normal part of its shutdown process.

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

Post run pump

From this model's manual
Verified against the Heatline Monza 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.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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