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Hersteller: Alto-Shaam Dateigröße: 1.88 mb Dateiname: Unterrichtssprache:

DO NOT CALIBRATE WITH ANY FOOD PRODUCT IN THE CABINET. The thermostat should be set at 140°F (60°C), and should be allowed to stabilize at that setting for a minimum of one hour. Following temperature stabilization, the center of the thermal swing of the air temperature within the cabinet should approximately coincide with the thermostat dial setting. If calibration is necessary, the calibration screw should be adjusted with great care. The calibration screw of the thermostat is located in the thermostat dial shaft. With the shaft held stationary, a minute, clockwise motion of the calibration screw appreciably lowers the thermostat setting. A reverse, or counter-clockwise motion appreciably raises the thermostat setting. After achieving the desired cycling of the thermostat, the calibration screw must be sealed. Place a few drops of enamel sealant directly on the calibration screw. (RED NAIL POLISH OR EQUIVALENT IS ACCEPTABLE.) TROUBLESHOOTINGCHECKLIST•ELECTRONICCONTROLRepairsshouldbemadebyauthorizedserviceagentsonly. TROUBLE POSSIBLE CAUSE REMEDY Unit does not operate. Insufficient power supply. Check power source. Defective power cord or plug. Check and replace if necessary. No display in electronic control. Faulty power supply board. Check line voltage for 24V across pins 7 and 8 on the power supply board and across terminals J9 and J10 on the electronic control. Faulty electronic control. Replace control. Cannot control temperature but sensor and electronic control checks O.K. Faulty relay Heating element grounded. Replace relay. Replace element. Temperature readout incorrect. Dirty or faulty sensor. Faulty control. Check sensor at 32°F (0°C). If Ohm reading is 100, replace display. If Ohm reading is not 100, replace sensor. Drawer Warmer Installation/Operation/Service Manual • 15. SERVICETROUBLESHOOTING•ELECTRONICCONTROLSERVICETROUBLESHOOTING•ELECTRONICCONTROL Error Code Description/Results PossibleCause Service Required E-10 Air Sensor Fault (shorted) Inoperative Oven Air sensor is shorted. Air sensor is defective. Air sensor is open or has connection failure. Needair sensor test. See below. E-11 Air Sensor Fault (open) Inoperative Oven E-30 Under temperature Oven will not reach set temperature Oven door closed? Door gasket need replacement? Preheat skipped? Oven overloaded or has frozen product? Defective air sensor or probe? Defective solidstate relay? Badwire connections or open heating cable? Is the high limit switch tripped? If none of the above, call service. E-31 Over temperature Oven will shut down Shortedcable? Defective solidstate relay? Defective air sensor? If none of the above, call service. E-60 Real time clock error Inoperative Oven Appliance has probably been unpluggedfor more than 30 days. If this is the case, it shouldbe pluggedin with the circuit breaker ON, andthe appliance displaying the E-60 on the front panel for more than 30 minutes. Once this has been accomplished, the circuit breaker should be turned OFF, or the appliance unpluggedfor approximately 10 seconds after which the appliance shouldbe turnedON again. E-70 Configuration connector error Inoperative Oven Check control connections for loose wires. If none, control must be replaced. E-78 Voltagelow Inoperative Oven If 125 VAC unit, voltage is below 90 VAC. Correct. If 208-240 VAC voltage is below 190 VAC. Correct. E-79 Voltagehigh Inoperative Oven If 125 VAC unit, voltage is over 130 VAC. Correct. If 208-240 VAC, voltage is over 250 VAC. Correct. E-80 EEPROM -Function data error Inoperative Oven Replace control. E-82 EEPROM -Calibration data error Inoperative Oven Replace control. E-84 EEPROM -Unit ID error Inoperative Oven Replace control. E-86 EEPROM -Preset data error Inoperative Oven Replace control. To test air sensor: Test air sensor by placing sensor in ice water bath andusing an ohmmeter set on the ohm scale. The reading should be 100 ohms resistance. If it is more than 2 ohms higher or lower, sensor needs to be replaced. CAUTION D A N G E R DISCONNECT UNIT FROM POWER SOURCE BEFORE CLEANING OR SERVICING. THIS SECTION IS PROVIDED FOR THE ASSISTANCE OF QUALIFIED SERVICE TECHNICIANS ONLY AND IS NOT INTENDED FOR USE BY UNTRAINED OR UNAUTHORIZED SERVICE PERSONNEL. Drawer Warmer Installation/Operation/Service Manual • 16. Wide Drawer Warmers – Service Parts Illustrations on following pages. Part Description Qty 500-1D Qty 500-2D Manual or Electronic Control • Wide Drawer Warmers Air Tunnel 1 1002672 1 1002672 Qty 1 500-3D 1002672 Cable Replacement Kit (CB-3044) 1 4874 1 4874 1 4874 Casing Bottom 1 1002400 1 1002400 1 1002400 Casing Top 1 1002403 1 1002403 1 1002403 Casing 1 1002558 1 1002396 1 1002564 Cordset (120V) Cordset (208/240) Cordset (230V) 1 CD-3232 1 CD-33840 1 CD-3922 1 CD-3232 1 CD-33840 1 CD-3922 1 1 1 CD-3232 CD-33840 CD-3922 Drawer Assembly Drawer front Mounting Stud Drawer front Mounting Nut Drawer Bearing Drawer Pan (NOT SHOWN) Drawer with vents 1 55502 4 ST-25019 4 NU-2187 6 BG-24890 1 PN-25088 1 55536...

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