Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the inner combustion cover
Remove the fan assembly
Remove the air pressure switch and bracket
Remove the fan assembly
Remove the air pressure switch and bracket
Observation:
Inspect the air pressure pipe for any restrictions or blockages.
Also check the pipe is in good condition and has not corroded leaving any splits or holes.
Is the air pressure pipe clear, unrestricted and in good condition?
Also check the pipe is in good condition and has not corroded leaving any splits or holes.
Is the air pressure pipe clear, unrestricted and in good condition?
Isolate as per TOPs P4
and refit as necessary