Set Appliance State:
Mains Power Off
Turn Hot Water Tap On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Boiler ON/OFF switch ON.
Does the pump run?
Note 1:
Do not take sound or vibration as sign of pump running.
Note 2:
If pump vent plug is removed to observe pump shaft then care should be taken that water does not drip on to control box.
Does the pump run?
Note 1:
Do not take sound or vibration as sign of pump running.
Note 2:
If pump vent plug is removed to observe pump shaft then care should be taken that water does not drip on to control box.
Isolate as per TOPs P4
and refit as necessary