Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Selector Switch in CH TIMED position
Ensure that the CH Timer is in its CH On condition
Ensure that the CH Timer is in its CH On condition
Measurement:
Disconnect the selector switch connector (connector X2) from the PCB.
Measure the resistance across connection 5 (Black wire) and connection 3 (Black wire) on the CH Timer.
Note: Measurement is taken at Timer terminals.
Replace connector after test.
Measure the resistance across connection 5 (Black wire) and connection 3 (Black wire) on the CH Timer.
Note: Measurement is taken at Timer terminals.
Replace connector after test.
Isolate as per TOPs P4
and refit as necessary