Set Appliance State:
Mains Reset Switch OFF
Isolate Mains Power to appliance as per TOPs P4
Ensure the boiler is cool so that there is demand for preheat
DHW temperature selector to ECO
Ensure the boiler is cool so that there is demand for preheat
DHW temperature selector to ECO
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Mains reset switch On.
Does the pump run?
Note:
Do not take noise or vibration as a sign of the pump running.
Does the pump run?
Note:
Do not take noise or vibration as a sign of the pump running.