Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove spark generator from gas valve
Measurement:
Test 1. Measure for resistance across the gas valve connections.
Expected resistance approximately as per table below:
Test 2. Measure for resistance across the gas valve connection and a suitable earth connection.
Expected resistance as per table below:
Expected resistance approximately as per table below:
Test 2. Measure for resistance across the gas valve connection and a suitable earth connection.
Expected resistance as per table below:

Isolate as per TOPs P4
and refit as necessary