Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure for mains voltage across the PCB fuses (right-hand side of fuses).
Is mains voltage present?
Is mains voltage present?

Isolate as per TOPs P4
and refit as necessary