Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Remove burner
Connect U-gauge to burner injector
Connect U-gauge to burner injector
Observation:
Observe the U-gauge.
Gas On.
Is there any increase in pressure in the U-gauge, signifying that the gas valve is passing?
Gas On.
Is there any increase in pressure in the U-gauge, signifying that the gas valve is passing?
Isolate as per TOPs P4
and refit as necessary