Nemco 6900 Series Скачать руководство пользователя страница 19 | Manualshive

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Содержание 6900 Series

Страница 1: ...SERVICE MANUAL 6900 HIGH SPEED SANDWICH PRESS ...

Страница 2: ...hinges and latches 5 evidence of dropping or abuse c Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connection d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission syste...

Страница 3: ...g can result in the risk of electric shock Consult a qualified electrician or Serviceman if the grounding instructions are not completely understood or if doubt exists as to whether the appliance is properly grounded Do not use an extension cord If the power supply cord is too short have a qualified electrician or serviceman install an outlet near the appliance For a permanently connected applianc...

Страница 4: ...e power switch off will not completely protect the servicer from electrical shock If the microwave circuit must be operated with the service covers removed DO NOT put any appendage near any part of the HV circuit Incidental contact with any part of the HV circuit while the magnetrons are running WILL result in BODILY HARM or DEATH After service is completed all the following MUST be checked before...

Страница 5: ...ada 30A Plug GM General Market US Canada Power 208V or 240V 208V 60Hz 28Amps 240V 60Hz 24Amps Power Output Microwave combined Microwave combined Heaters combined 2000W Rated 1400W Output 2000W 1000W each External Dimensions With The Upper Enclosure Open Height Width Depth 29 inches 737mm 14 5 inches 368mm 31 inches 787mm Weight Total 135 lbs Exterior Construction Material 430 Stainless Steel ...

Страница 6: ...O NOT install the sandwich press in a location that doesn t have a proper ground Doing so could result in serious injury or DEATH Appliance Positioning To maintain sufficient ventilation for the sandwich press you must have at least 2 inches 51mm of clearance on all sides of the unit and at least 2 inches above the upper enclosure when it is open There must also be at least 2 of clearance behind t...

Страница 7: ...B flash drive 8 Cover Steam Vent Cleanout This cover is removable with standard tools to allow for cleaning inside the steam vent 9 Panels Side Access These panels are located on the RH and LH side of the lower enclosure to give service technicians access 10 Microwave Choke Assembly This assembly contains the lower heating platen and is removable to allow access to the lower enclosure Note If this...

Страница 8: ...menu file Menu file isn t saved as a csv file or the formatting is wrong within the file Err3 Preheat temperature is out of range The preheat temperature is greater than 500 F Err4 Menu temperature is out of range The menu temperature is greater than 500 F Err5 The number of stages in a menu is greater than 15 Too many menu stages Err6 A single stage time is greater than 3599 seconds 59min 59s A s...

Страница 9: ...COMPONENT LOCATIONS UPPER CAVITY MAGNETRONS MAGNETRON HIGH LIMIT SWITCHES HEATER PLATE RELEASE MECHANISM HEIGHT ADJUSTMENT COLLAR MAGNETRON COOLING FANS UPPER HEATER PLATE THERMOCOUPLE CONNECTION ...

Страница 10: ...REAR ENCLOSURE ELECTROMAGNET MAGENT SWITCH PRIMARY SECONDARY INTERLOCK SWITCHES LID SPRINGS LID DAMPENER GAS SHOCK ...

Страница 11: ...LOWER ENCLOSURE LINE FUSES 30A INTERLOCK FUSE 20A CONTROL BOARD BUZZER 12V TRANSFORMER HIGH LIMIT THERMOSTAT MANUAL RESET FUSE CONTROL BOARD 3A HEATER PLATE THERMOCOUPLE CONNECTIONS POWER SWITCH ...

Страница 12: ...HIGH VOLTAGE TRANSFORMERS COOLING FAN CAPCITORS DIODES ...

Страница 13: ... to 60 seconds with both magnetrons set to On Load this into the sandwich press Note loading a menu file into the control will erase the previously stored menu files 2 Put 275mL of cold water in a glass or ceramic bowl that is small enough to allow the sandwich press to close 3 Place the bowl of water in the center of the cavity 4 Verify that the microwave leakage meter is on and set correctly 5 P...

Страница 14: ...s 3 Disconnect all connections from the Filament transformer 4 Use a digital multi meter to check the resistance of the windings and compare them to the below chart Filament Winding check terminals on end of wires Less than 1 Ω WARNING The microwave circuit in this appliance is extremely dangerous DO NOT take any voltage measurements from the magnetron HV capacitor HV transformer or filament trans...

Страница 15: ...igh Voltage Diode Test Method 1 Disconnect the sandwich press from its power source 2 Discharge the HV capacitors 3 Disconnect all connections from the HV diode 4 Use a 500V resistance meter to check the resistance and compare them to the below chart Conducts only one way Pass Open circuit both ways Fail Short circuit both ways Fail Conducts one way but leaks some the other way Fail WARNING The mi...

Страница 16: ...a damp towel on lower heater plate and select a menu 4 Pull lid down to start the cook cycle While cycle in running measure voltage across position 4 on terminal block and neutral position 5 on terminal block Line voltage should be present while the press is in operation Once lid opens no line voltage should be present WARNING The microwave circuit in this appliance is extremely dangerous DO NOT t...

Страница 17: ... the transformers The secondary switch opens the circuit in the event that the primary switch has failed closed Monitor Switch The monitor switch will send L2 to L1 that is coming from the secondary switch in the event that both the primary and secondary switches have failed closed which will create a short circuit and will blow the microwave fuse and or the main fuses This will disable the genera...

Страница 18: ...ith the lid pulled down push the bottom switch bracket in towards the magnet disc until it is engaged After the switch is engaged tighten down both screws 5 Replace the spacer with a spacer 6 Pull the lid back down and push the top switch bracket in until both switches are engaged 7 Once the switches are engaged tighten down the screws on the switch bracket MONITOR SWITCH PRIMARY SWITCH SECONDARY ...

Страница 19: ......

Страница 20: ...ocking but cycle is not starting Check to ensure interlock switches are all being engaged Check 20A interlock fuse Ensure lever arms on switches are not bent Check interlock system Lid is not opening Ensure lid is not rubbing on lower heater plate Ensure springs are intact Add magnet cover Prob error on board Check all thermocouple connections Heater plates not heating Check all electrical connect...

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