Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Disconnect X18 from PCB
Measurement:
Check Resistance of Pump and wiring on system.
This test should be done at the connector X18.
Test for short circuit between the
Live (L) and Neutral (N),
Live (L) and Earth
Neutral (N) and Earth.
Short Circuits on any of these tests would cause a fuse to blow.
This test should be done at the connector X18.
Test for short circuit between the
Live (L) and Neutral (N),
Live (L) and Earth
Neutral (N) and Earth.
Short Circuits on any of these tests would cause a fuse to blow.
Isolate as per TOPs P4
and refit as necessary