Low
00 on Ideal Instinct2 24

Your boiler is working perfectly fine and is simply waiting for you to turn up the thermostat or use the hot water.

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

Standby - no demand for heat.

From this model's manual
Verified against the Ideal Instinct2 24 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

Check that your room thermostat is turned up higher than the current room temperature.Ensure your heating programmer or timer is set to 'ON'.Check that there are no blown fuses or tripped switches in your electrical consumer unit.

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Avoid the next call-out bill

A cover plan would handle faults like 00: no call-out fees, no surprise bills.

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