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General| Type | Microwave Oven |
|---|---|
| Control Type | Electronic |
| Turntable | Yes |
| Color | Stainless Steel |
| Voltage | 120V |
| Display | Digital |
| Cooking Modes | Quick Minute |
| Dimensions (W x D x H) | 486 x 394 x 292 mm |
| Exterior Dimensions | 486 x 394 x 292 mm |
Ensuring the appliance is properly grounded before beginning repair work is imperative.
Extreme care should be taken during repair of the high voltage inverter power supply.
Ensure the power cord is removed from the wall outlet when replacing any part or component.
When the 20A 120V fuse blows, replace specific components like interlock switches and power relay.
Inserting metal objects can cause microwave leakage and potential injury.
After repair, check screws, connections, and for microwave energy leakage.
Exercise caution when handling the unit due to potentially sharp exposed edges.
Procedure for mounting and adjusting door latch switches for proper oven door operation.
Simple method for testing microwave output using a water beaker and thermometer.
Identifies common causes and corrections for the oven stopping during cooking cycles.
Lists symptoms and causes for various issues like no display, fan motor issues, and low microwave output.
Explains failure codes H95, H97, H98, H99 and troubleshooting steps for inverter/magnetron issues.
Details troubleshooting steps for issues related to the digital programmer circuit, including no display and no key input.
A simplified method using an ammeter to diagnose inverter or magnetron problems.
Provides guidance on testing diodes, transistors, and IGBTs using an ohmmeter.
Lists key components of the High Voltage Inverter board for identification and replacement.
Diagram showing the physical layout and assembly of oven components.
Detailed list of replacement parts with part numbers and descriptions.
Lists specific wiring harnesses and lead wires used in the appliance assembly.
Details the components and assembly of the front control panel escutcheon.
Diagram and list of components that make up the oven door assembly.
Lists materials and accessories included with the product for packaging and shipping.
Schematic diagram for the digital programmer circuit of specific models.
Schematic diagram for the digital programmer circuit of specific models.
Lists specific parts for NN-ST657S, ST657W and NN-ST677M, ST667W models.
