Set Appliance State:
Gas Off
Isolate Mains Power to appliance as per TOPs P4
Observation:
Check the metal air pressure tubes for obstructions, condensation and signs of damage.
Note:
Tubes are of rigid type, they run between the air pressure switch and the flue. To carry out an effective check fan and access plate will have to be removed.
Note:
Tubes are of rigid type, they run between the air pressure switch and the flue. To carry out an effective check fan and access plate will have to be removed.
Isolate as per TOPs P4
and refit as necessary