Set Appliance State:
Gas Off
Isolate Mains Power to appliance as per TOPs P4
Observation:
Remove injector tube and inspect the tube and its seals. Check for blockage and/or damage.
Note:
When tube is replaced it should be checked for soundness.
Note:
When tube is replaced it should be checked for soundness.
Isolate as per TOPs P4
and refit as necessary