Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Gain access to PCB (use Insulation Mat as required)
Observation:
Test 1:
With DHW tap OFF, differential valve spindle should be retracted.
Test 2:
Turn DHW tap ON, differential valve spindle should extend and operate microswitch.
Note:
Repeat these tests several times to ensure correct
operation takes place and spindle does not stick.
With DHW tap OFF, differential valve spindle should be retracted.
Test 2:
Turn DHW tap ON, differential valve spindle should extend and operate microswitch.
Note:
Repeat these tests several times to ensure correct
operation takes place and spindle does not stick.
