Isolate Mains Power to appliance as per TOPs P4
Remove front combustion panel to gain access to fan/air flow sensor.
Remove air flow sensor.
Remove front combustion panel to gain access to fan/air flow sensor.
Remove air flow sensor.
Observation:
Check sensor and pipe for blockages or restrictions.
Note:
Replace Air Flow Sensor when check completed.
Note:
Replace Air Flow Sensor when check completed.
Isolate as per TOPs P4
and refit as necessary