Low
GREEN LED Flashing 8-times a second on Pro ProCombi 100HE

Your boiler is operating in a special automatic mode to adjust its efficiency and does not actually have a fault.

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

AUTO function active

From this model's manual
Verified against the Pro Procombi 100he 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 if the 'AUTO' button on the control panel is illuminatedPress the 'AUTO' button once to deactivate the mode if you prefer manual controlMonitor the display to ensure the flashing stops and returns to normal operation

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