Isolate Mains Power to appliance as per TOPs P4
Remove the Diverter Valve Micro Switch cover.
Remove the Diverter Valve Micro Switch cover.
Observation:
Turn ON HW Tap:-
Does Diverter Valve Spindle move and operate microswitches?
Turn OFF HW Tap:-
Does Diverter Valve Spindle move back and release microswitches?
Does Diverter Valve Spindle move and operate microswitches?
Turn OFF HW Tap:-
Does Diverter Valve Spindle move back and release microswitches?
Isolate as per TOPs P4
and refit as necessary