Belling GOURMET 900 DF Service Manual page 70

YES
Does oven ignition
spark?
YES
Can the customer
smell gas in the oven?
YES
Can oven be lit with
a match?
If new appliance possible
adjustment to electrode required –
If older appliance make sure
customer has not spilled
something on the burner?
Top oven not working
Customer reports top oven not
working
Does the
grill work?
Can the customer
NO
smell gas in the oven?
NO
Possible solenoid
fault – send engineer
and solenoid
NO
Possible gas supply problem
if whole appliance affected
customer to have supply
checked – if just top oven /
grill send engineer and top
oven thermostat
NO
Order micro switch
YES
Order Spark
generator