Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
CH Demand
Remove locking pin and release diverter motor
Note.
The diverter motor can be removed without the need for draining

WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Allow self check to complete.
Inspect the position of the diverter motor spindle.
Is it in the fully retracted position?
Note.
If Diverter spindle is fully retracted do NOT refit the motor.