Set Appliance State:
Mains Power Off
CH Demand
CH/HW switch in CH position
Ensure boiler not in Pre-heat mode
Ensure boiler not in Pre-heat mode
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Is the pump running?
Note:
Do not take noise or vibration as a sign of the pump running.
Note:
Do not take noise or vibration as a sign of the pump running.
