Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Voltage 
Use Insulation Mat as required
Remove plastic covers from the rear of the Control Box
ON/OFF Switch in ON Position
Remove plastic covers from the rear of the Control Box
ON/OFF Switch in ON Position
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Measurement:
Measure Voltage across the connection 4 (red wire) and connection 5 (black wire) at connector marked X12 on Main Switchboard.
Note:
This is transformer output. Expected Voltage is approximately 17 Volts AC.
Note:
This is transformer output. Expected Voltage is approximately 17 Volts AC.
Isolate as per TOPs P4
and refit as necessary