Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove diverter valve head (if not already removed)
Observation:
With a small screwdriver push the spindle in the centre of the diverter valve in towards the heating position, then release pressure on the spindle it should return to the DHW position.
Does the spindle move in and out?
Does the spindle move in and out?
Isolate as per TOPs P4
and refit as necessary