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If voltage is present and the motor will not run, check the motor windings for opens or shorts. WITH POWER OFF: Check the motor windings as follows: Grey to black - 240. approx. Grey to tan -240. approx. Tan to black - 480. approx. If any of the above fails, replace conveyor motor. Capacitor, conveyor motor Check for shorts or grounds. Replace capacitor as needed. WARNING: Capacitor has a stored charge, discharge before testing. Switch, conveyor reversing Check continuity between switch terminals. Replace switch as needed. Oven control If there is supply voltage to the motor, and the motor, capacitor, and reversing switch check good, replace the oven control. Conveyor motor runs, but there is no speed display NOTE: Display will indicate “Belt Jam” Oven control Check for output voltage from oven control to hall effect sensor (sensor is located in conveyor motor). Measure voltage at the motor connector, red wire and yellow wire. Voltage should be approx. 10VDC. If no voltage is present, trace wiring back to oven control. If there is no voltage present at the oven control, replace the oven control. Impinger II – Advantage Digital Express Service Manual - Domestic Conveyor motor If there is voltage supplied to the hall effect sensor, check for a frequency output from the hall effect sensor. Measure frequency across the yellow and white wires at the motor connector. Frequency reading should be approx. 25 – 100 Hz. If these readings are not achieved, replace conveyor motor. If the readings are achieved, proceed. Oven control If the hall effect sensor readings are correct, but there is no speed indicated on the display, replace the oven control. REMOVAL, INSTALLATION AND ADJUSTMENTS IMPINGER II ADVANTAGE SERIES CAUTION BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY. MAIN FAN – REPLACEMENT A. Shut off power at main breaker. B. Remove motor cover from back of oven. C. Disconnect wiring and mark for reassembly. D. Remove bolts and slide back straight out of the oven. E. Loosen the bolt from fan hub and remove fan from motor shaft. NOTE: Measure distance from fan blade to rear wall assembly before removal to aid in reassembly. F. Reassemble in reverse order and check system operation. MOTOR, MAIN FAN – REPLACEMENT A. Shut off power at main breaker. B. Remove motor cover from back of oven. C. Disconnect wiring and mark for reassembly. D. Remove bolts and slide back straight out of the oven. E. Loosen the bolt from fan hub and remove fan from motor shaft. NOTE: Measure distance from the fan blade to rear wall assembly before removal to aid in reassembly. F. Remove four screws from motor support assembly. G. Remove motor mount clamp and remove motor from oven back. H. Remove motor mount from motor. I. Reassemble in reverse order and check system operation. Impinger II – Advantage Digital Express Service Manual - Domestic CAPACITOR – REPLACEMENT A. Shut off power at main breaker. B. Remove rear control box cover. C. Discharge capacitor. D. Remove capacitor. E. Reassemble in reverse order and check system operat...

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