Set Appliance State:
Mains Power Off
CH Demand
Boiler Thermostat set to its '0' position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Is the pump running?
Note:
Do not take sound or vibration as an indication of the pump running.
Note:
Do not take sound or vibration as an indication of the pump running.