Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Disconnect the orange leads from the integral timer
Integral timer calling for heat
WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure
Mains Power On

Measurement:

Measure resistance between connection 3 and 5 at the integral timer.
Expect continuity.
Note:
If no integral timer is fitted a link should be present across connector CN3 on the PCB.