Low
SET on Grant Spira

Your boiler is operating normally and is currently displaying the temperature you have requested it to reach.

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

Normal control panel display showing set temperature

From this model's manual
Verified against the Grant Spira 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

No action is required as this is a status display, not a fault code.If you wish to change the temperature, use the up or down arrows on the control panel to adjust the setting.

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Avoid the next call-out bill

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

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