Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to AC Volts 
Connect a wire link between the HW OFF
and the permanent live L connection
Refit timer to back plate
and the permanent live L connection
Refit timer to back plate
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Measure the voltage on the left hand terminal block
between the connections marked "SL2 IN" and "N".
Is mains voltage still present?
between the connections marked "SL2 IN" and "N".
Is mains voltage still present?
Isolate as per TOPs P4
and refit as necessary