Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the gas valve from side of the fan by undoing the three retaining screws and the union nut below the valve
Observation:
Separate (push fit) silencer from the rear of the air intake.
Check the injector of the gas valve, make sure it is clear with no restrictions.
Check the injector of the gas valve, make sure it is clear with no restrictions.
Isolate as per TOPs P4
and refit as necessary