Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Set Multimeter to Resistance Set meter to measure resistance
Remove the wires from terminals 1 and 2 on the integral timer

Measurement:

Measure the resistance between terminals 1 and 2 on the integral timer.
Expect approximately 3.8 kOhms.
Is the resistance measured as expected?