Panasonic NE-1257CR, NE-2157CR, NE-1757CR manual Disassembly of door assembly

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NE-1257R/NE-1257CR / NE-1757R/NE-1757CR / NE-2157R/NE-2157CR / NE-1258

2.Remove 2 screws holding temp sensor and replace with new one.

3.Solder the lead wires securely to the sensor terminals.

18.7. Disassembly of door assembly

1.Remove each 2 bolts holding upper and lower hinges.

2.Open the door and while pulling the door outward, work upper and lower hinges out through the holes of the front surface of oven.

3.Remove door C (check cover) from door E by carefully pulling outward starting from the upper right hand corner.

4.Remove 2 screws holding door handle and separate door A from door E by carefully freeing catch hooks.

5.Remove door key, door key lever, door key spring and handle pins from door E.

6.Assemble the door by taking the above steps in a reverse order.

Replacement

1.When mounting the door to the oven be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.

2.Adjust so that the door has no play between the inner door surface and oven front surface. If the door assembly is not mounted properly, microwave may leak from the clearance between the door and the oven.

NOTE: Please refer to MEASURENMENT AND

ADJUSTMENT.

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Contents Commercial Microwave Oven Contents Page Outline Diagram Operation Procedure Page Page Page Page Wiring Requirements Wiring Requirements and Power Source Voltage SelectionSchematic Diagram NE-1257R, NE-1258R Schematic Diagram NE-1257CR Schematic Diagram NE-1757R Schematic Diagram NE-1757CR Schematic Diagram NE-2157R Schematic Diagram NE-2157CR Wiring Diagram NE-1257R, NE-1258R Wiring Diagram NE-1257CR Wiring Diagram NE-1757R Wiring Diagram NE-1757CR Wiring Diagram NE-2157R Wiring Diagram NE-2157CR Description of Operating Sequence Variable power cooking controlCheck the grounding Confirm after repair Replacement of magnetrons Upper and Lower Disassembly and Parts Replacement ProcedureRemoval of Positive Lock connector Replacement of power supply circuit boardReplacement of temperature sensor Thermal protector Replacement of upper antennaReplacement of floor shelf and lower antenna Disassembly of door assembly Component Test Procedure Temp sensor Thermal protector Measurement of microwave output Measurements and AdjustmentsEquipment Procedure for Measuring Microwave Energy LeakagePage Troubleshooting Guide Exploded View and Parts List High Voltage Label Parts ListDoor Hook a Spacer a Door Assembly Escutcheon Base Assembly Packing and Accessories Wiring Material 30 REF. no Noise Filter U 29 REF. no L. V. Transformer U31 REF. NO. E2 P. C. Board U Digital Programmer Circuit Schematic DiagramPage Parts List

NE-1257CR, NE-1757CR, NE-2157CR specifications

The Panasonic NE-2157CR, NE-1257CR, and NE-1757CR are three professional commercial microwaves designed for robust food service operations. These models are widely appreciated for their versatility, efficiency, and user-friendliness, making them ideal for restaurants, cafes, and food trucks.

The NE-2157CR stands out with its powerful 1500 watts of cooking power, which ensures quick and uniform heating of various food items. It features a large 0.9 cubic feet internal capacity, allowing users to accommodate larger dishes. One of the key highlights of this model is its programmable memory with up to 20 customizable settings, which enables users to recall frequently used cooking times and power levels easily. The stainless steel exterior and interior ensure durability and ease of cleaning, while the touch control panel provides a simple interface for quick operation.

Next in the line is the Panasonic NE-1257CR, which offers a slightly lower power output at 1200 watts, making it a more compact option while still delivering impressive cooking results. With a capacity of 0.8 cubic feet, it is an excellent choice for smaller kitchens that require efficiency without sacrificing quality. Its easy-to-use interface allows for basic cooking functions, while the stainless steel construction guarantees longevity in busy environments.

Finally, the NE-1757CR is a middle ground between the two, featuring 1700 watts of cooking power and an internal capacity of 0.6 cubic feet. This model combines performance with a smaller footprint, making it a versatile choice for various commercial settings. Like its counterparts, the NE-1757CR includes programmable presets and a user-friendly control panel, offering consistent results with minimal effort.

All three models utilize Panasonic's advanced inverter technology, which provides consistent heat and eliminates cold spots. This technology allows for more precise temperature control and helps preserve the texture and moisture of food during cooking.

In summary, the Panasonic NE-2157CR, NE-1257CR, and NE-1757CR are all excellent options for commercial kitchens looking for reliable, efficient microwaves. With their robust construction, user-friendly controls, and advanced cooking technologies, these models cater to a wide range of food preparation needs, enhancing productivity in any food service operation.