What the manual says
Manufacturer manualBoiler stand-by - NA - None
From this model's manual
Verified against the Vokera Compact 28 Se installation & service manual, page 6.
DIY fix possible
Check that your thermostat or timer is set to call for heatEnsure the boiler power switch is set to the 'On' or 'Summer/Winter' positionVerify that the gas supply tap is in the open position
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