M
ODEL
400 R
ESTAURANT
R
ANGES
T
ROUBLESHOOTING
O
PERATOR
’
S
M
ANUAL
1182299
REV
3 (05/05) D
RAFT
P
AGE
33
OF
64
TROUBLESHOOTING
T
ROUBLESHOOTING
TROUBLESHOOTING RANGE TOP BURNERS
Consult the following table and the flowchart that begins on the following page.
Problem
Look for -
All burners and pilots in unit will not turn on
– Main gas supply to unit is “OFF.”
All burners produce excessive carbon deposits
– Incorrect gas type supplied to unit.
– Incorrect supply pressure.
Only some burners in a unit produce excessive carbon
deposits
– Incorrect orifices.
– Primary air not adjusted properly.
Only some pilots produce excessive carbon deposits
– Pilot gas not adjusted properly.
– Incorrect pilot orifice.
Top burner (not oven) will not come on
– Manual valve for top burner in “OFF” position.
– Pilot out.
Top section pilot will not stay ignited
– Pilot gas not adjusted properly.
– Clogged orifice.
– Draft condition.
– Improper ventilation system.
– Air in gas line.
