Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Observation:
With no HW demand is the microswitch fully released from the diverter valve?
Turn on HW tap.
Does Diverter Valve spindle move and engage the DHW Microswitch?
Note:
Observe from underneath the boiler, with the
assistance of a mirror if necessary.
Turn on HW tap.
Does Diverter Valve spindle move and engage the DHW Microswitch?
Note:
Observe from underneath the boiler, with the
assistance of a mirror if necessary.
