Set Appliance State:
Mains Power Off
CH/HW switch in HW position
Ensure the boiler is cold and ready for Pre-heat
Boiler On/Off switch ON
Ensure the boiler is cold and ready for Pre-heat
Boiler On/Off switch ON
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Does the fan run?
