Оценок - 3, средний балл: 4.3 ( )

Производитель: Lincoln Размер: 1.17 mb Название файла: Язык инструкции:

WITH POWER OFF: Check for locked rotor. No automatic control box cooling Incoming power supply Check circuit breakers, reset if required. Check power plug to be sure it is firmly in receptacle. Measure incoming power, call power co. if needed. Cooling fan thermostat Check the cooling fan thermostat. (Thermostat closes at 120°F and opens at 100°F). With the cooling fan thermostat pre-heated, check for continuity. If switch is open, replace cooling fan thermostat. Cooling fan Check for 120VAC at cooling fan. If no voltage is present, trace wiring back to cooling fan thermostat. If voltage is present, and motor does not run, check for opens, shorts or grounds. WITH POWER OFF: Check for locked rotor. Oven will not heat Gas supply Check for adequate gas supply to oven. Manual gas shut off valve. Check to see that the manual gas shut off valve is open. Also check flexible gas line connection for any damage. Main fan If not operating, refer to “Oven fan will not run”. Centrifugal switch of main fan motor Check for 120VAC at wire #5 (input to centrifugal switch, located at 6-pin connector in raceway near Impinger II – Advantage Digital Express Service Manual - Domestic the main fan motor) to neutral. If no voltage is present, trace wiring back to the main power switch. If voltage is present, check for 120VAC at wire #22 (output of centrifugal switch) to neutral. If no voltage is present at #22, and the motor is running, replace the main fan motor. Hi-limit thermostat, Terminals are normally closed. If open, reset oven cavity thermostat and retest. If thermostat will not hold for maximum oven temperature, and oven is not exceeding temperature setting, check for proper location of capillary bulb in its spring holder. If the capillary checks okay, replace the hi-limit thermostat. Burner blower motor Check for 120VAC supplied to burner blower motor at wire #13 to neutral. If no voltage is present, trace wiring back to the main power switch. If voltage is present, and the motor is not running, check for opens, shorts or grounds. WITH POWER OFF: Turn motor to check for locked rotor. Burner transformer Check for 120VAC supplied to the primary of the burner transformer. If no voltage is present, trace wiring back to the oven cavity hi-limit thermostat. If voltage is present, check for 24VAC at transformer secondary. If there is primary voltage but no secondary voltage, replace burner transformer. Centrifugal switch of burner blower motor Check for 24VAC at motor connector, wire #13 to neutral. If voltage is not present, trace wiring back to transformer. If voltage is present, check for voltage at wire #14 to neutral. If no voltage is present at wire #14, and motor is running, replace burner blower motor. Ignition control Check for 24VAC at ignition control terminals marked “24V”, if no voltage is present, trace wiring back to centrifugal switch. Check for 120VAC to ignition control at terminal “L1” to neutral. If no voltage is present, trace wiring back to main power switch. When 24VAC is supplied to the ignition control, the ignition control switches 120VAC to the hot surface ignit...

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