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500 SERIES RESTAURANT RANGES SERVICE
OWNER’S MANUAL 1188716 (02/07) PAGE 19 OF 44
SERVICE
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. TO ASSURE YOUR CONFIDENCE, CONTACT YOUR AUTHORIZED SERVICE AGENCY FOR
RELIABLE SERVICE, DEPENDABLE ADVICE OR OTHER ASSISTANCE, AND FOR GENUINE FACTORY
PARTS.
NOTICE
INSTALLATION OF OTHER THAN GENUINE SOUTHBEND PARTS WILL VOID THE WARRANTY ON THIS
EQUIPMENT.
The serial plate are located on the right side of the range (see Figure 1 on page 3).
Replacement parts (including parts not listed in this manual) may be ordered either through a Southbend Authorized
Parts Distributor or a Southbend Authorized Service Agency.
When ordering parts, please supply the Model Number, Serial Number, Part Number, and Part Description.
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.
This section contains troubleshooting flowcharts, procedures, and electric schematics to assist a qualified service
technician in the servicing of a Southbend Model S500 Restaurant Range.
TROUBLESHOOTING FLOWCHARTS, PROCEDURES, AND WIRING DIAGRAMS
Find the symptom below that corresponds to the malfunction, then turn to the corresponding page. Follow the
flowchart on that page until the problem is solved.
Troubleshooting Flowchart, Procedure, or Wiring Diagram Page
Troubleshooting Open-Top Burners
20
Troubleshooting Base Oven 21
Troubleshooting Convection-Oven Blower 22
Adjustment of Gas Pressure Regulator 24
Adjustment of Open-Top Pilots 25
Adjustment of Open-Top Burners 25
Adjustment of Oven Standing Pilot 25
Adjustment of Oven Burner 25
Adjustment of Oven Bypass Flame Level 25
Calibration of Oven Thermostat 26
Conversion from One Type of Gas to Another 27
Wiring Diagram for 115 Volt Models 28
Wiring Diagram for 208-230 Volt Models 29