Low
0 on Pro ProCombi Exclusive 24

Your boiler is working perfectly and is currently sitting in sleep mode because your heating and hot water are already at the desired temperature.

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

Standby - no demand for heat.

From this model's manual
Verified against the Pro Procombi Exclusive 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

Turn up your room thermostat to see if the boiler fires upTurn on a hot water tap to trigger a demandCheck that your heating programmer or timer is set to 'On'

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