Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Set Multimeter to Resistance 
Remove connector from gas valve
Measurement:
Measure for continuity (zero resistance) on both of the wires (red and black)
running from the gas valve connector to pins 1 and 2 at LV1 on the PCB.
Inspect harness and connectors for good overall condition.
Is the harness satisfactory?
Note:
LV1 may differ slightly in appearance but this does not affect the test.
running from the gas valve connector to pins 1 and 2 at LV1 on the PCB.
Inspect harness and connectors for good overall condition.
Is the harness satisfactory?
Note:
LV1 may differ slightly in appearance but this does not affect the test.
Isolate as per TOPs P4
and refit as necessary