Southbend P36N-TTT, Owner'S Manual

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W
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ROUBLESHOOTING
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M
ANUAL
1195747 P
AGE
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ROUBLESHOOTING
WARNING
ADJUSTMENTS AND SERVICE WORK MAY BE PERFORMED ONLY BY A QUALIFIED
TECHNICIAN WHO IS EXPERIENCED IN, AND KNOWLEDGEABLE WITH, THE OPERATION OF
COMMERCIAL COOKING EQUIPMENT. HOWEVER, TO ASSURE YOUR CONFIDENCE,
CONTACT YOUR AUTHORIZED SERVICE AGENCY FOR RELIABLE SERVICE, DEPENDABLE
ADVICE OR OTHER ASSISTANCE, AND FOR GENUINE FACTORY PARTS.
NOTICE
Warranty will be void and the manufacturer is relieved of all liability if service work is performed by
other than a qualified technician, or if other than genuine Southbend replacement parts are installed.
In case of problems in operation at initial installation, check type of gas and manifold pressure and
compare with information listed on the serial plate. The serial plate is located inside the lower front panel.
TROUBLESHOOTING GUIDE
The left column of the following table lists symptoms that indicate a problem, while the center and right
columns list the possible causes and appropriate corrective action. Note that the recommendations of this
table assume that the wiring connections are good. When checking a component, always check the wiring
attached to the component as well.
Symptom Possible Cause Check or Replace
Main gas supply to unit is OFF. Open gas supply valve.
No electric power. Check that electric power is turned on.
No burners and pilot will
turn on
Fuse(s) blown (208/240V units ONLY). Check fuses.
Incorrect gas type supplied to unit. Check serial plate for required gas type (NAT or LP). All burners produce
excessive carbon
deposits
Incorrect supply pressure. Check pressure regulator.
Incorrect orifices. Correct orifices were installed at the Southbend factory for the gas type
and operating altitude. Check serial plates. Only some burners
produce excessive
carbon deposits
Primary air not adjusted properly. Adjust air shutter of burner.
Pilot gas not adjusted properly. Adjust pilot gas valve. Only pilot produces
excessive carbon
deposits
Incorrect pilot orifice.
Correct orifices were installed at the Southbend factory for the gas type
and operating altitude. Check serial plate.
Griddle burners will not
come on (but oven will) Pilot is out. Light pilot.
Pilot gas not adjusted properly. Adjust pilot gas valve.
Clogged pilot orifice. Clean or replace pilot orifice.
Draft condition. Remove draft condition.
Improper ventilation system. Check that adequate ventilation is present.
Griddle-burner pilot will
not stay lit
Air in gas line. Check whether other appliances connected to same gas line have same
problem.
Table continues on next page.