Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4
Remove the fan hood assembly

Observation:

Inspect the burner assembly for blockages or damage.
Note:
1. If burner condition is ok do not reassemble as it will need to be removed for further tests.
2. Per manufacturer's instructions, upon reassembly a replacement gasket for the burner is required.
3. CAUTION: Flueway sump seal. Replace the sump seal every time that the Flueway to sump connection is disturbed.
(refer to Adapt for guidance)