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Check that steam is escaping from the vent at the top left rear corner of the steamer. 8. Move the ON/OFF lever to the “OFF” position and check that the Power light goes out. Also check that the water is draining correctly into the drain, and that the steamer completely drains. STEP 8: SHUT-DOWN AND WIPE-CLEAN STEAMER Complete the installation by leaving the steamer ready for customer use: 1. Allow the steamer to cool. 2. Wipe clean all surfaces. 3. Unless the steamer is to be placed in service immediately, turn off the electric power supply and water supply. 4. Make sure that a copy of this manual will be available to the people who will operate and maintain the steamer. PAGE 18 OF 48 OWNER’S MANUAL 1185184 STRATOSTEAM COUNTERTOP STEAMER SERVICE 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. A serial plate is located on the right side of the steamer, near the top right corner. A second serial plate is located on the rear of the steamer near the top left corner (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. This section contains troubleshooting flowcharts, procedures, and electric schematics to assist a qualified service technician in the servicing of a StratoSteam countertop steamer. A description of how the steamer operates appears on the next page. To remove a side panel (for access to the interior), remove the securing screw near the center of the bottom edge of the panel. To remove the top panel, remove the two securing screws on the rear face, then slide the top panel forward and off. The door is field-reversible (contact Southbend for instructions). 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 Flowchart: Steamer Not Heating Up, “Power” Light Is Not Lit 22 Troubleshooting Flowchart: Steamer Not Heating Up Properly or Not Cooking Properly, “Power” Light is Lit 23 Troubleshooting Flowchart: Buzzer Does Not Come On When Timer Runs Out 24 Troubleshooting Procedure: Heating Cartridge Check (at Contactor) 25 Troubleshooting Procedure: Power Switch Check 26 Troubleshooting Procedure: Contactor Check 27 Troubleshooting Procedure: Timer and Buzzer Check 28 Troubleshooting Procedure: Door Switch Check 29 Troubleshooting Procedure: High Limit Thermostats Check 30 Troubleshooting Procedure: Water-Level-Control Sensor Check 31 Troubleshooting Procedure: Water Solenoid Check 32 Wiring Diagram for 208/220/240 Volt Models 33 Wiring Diagram for 480 Volt Models 34 OWNER’S MANUAL 1185184 PAGE 19 OF 48 SERVICE STRATOSTEAM COUNTERTOP STEAMER HOW THE STEAMER OPERATES Compared to steam cookers that have complicated boilers, a StratoSteam steamer is a very simple machine. The heating cartridges are integrated into the bottom plate of the cooking cavity, and begin to heat immediately as soon as the steamer is turned on. As water flows into the cooking cavity it covers the heated bottom plate and is converted to steam. There is no pressure in the steamer. From a cold start the steamer will heat up to cooking temperature in about 4 minutes. The internal components of the steamer are shown in Figure 10 on the next page. Turning the control lever to ON mechanically actuates the power switch, and so turns on power to the rest of the circuitry. The “Power” indicator light comes on. Turning the control lever to ON also mechanically closes the cooking- cavity drain valve. The heating cartridges are controlled by a contactor. The contactor is energized (turning on the heating cartridges) if (1) the door is shut (as sensed by the door switch), (2) the steamer is not overheated (as sensed by the high-limit thermostats), and (3) if there is water in the bottom of the steamer cavity (as sensed by the water-level-control sensor under the cavity). The flow of water into the cooking cavity is controlled by the water solenoid, which is energized (turning on the water) when the control lever is turned to ON and the door is shut. Hence, when cooking, water flows continuously into the cooking cavity. If a high-level thermostat detects that the steamer is overheating, or if the water-level-control sensor (which is a thermostat) detects low water (by sensing...