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General| Brand | Sears |
|---|---|
| Model | 721.80409400 |
| Category | Microwave Oven |
| Language | English |
Information regarding potential exposure to microwave energy and necessary precautions.
Guidelines and precautions to follow before and during the installation process.
Essential instructions for proper grounding of the appliance for personal safety.
Overview of the microwave's control panel layout and functions.
First part of the overall schematic diagram illustrating the microwave's electrical system.
Graphical representation of the touch key matrix connections.
General precautions for safe and proper use of the microwave oven during operation.
Step-by-step procedure to test the microwave oven after installation.
Overview of key features and technical specifications of the microwave oven.
Important safety precautions and tips for servicing the microwave oven.
Crucial safety warnings related to microwave leakage testing procedures.
List of necessary equipment for performing microwave leakage tests.
Detailed procedure for measuring microwave energy leakage.
Important notes and guidelines for accurate measurement during testing.
Procedures for documenting test results and notifying relevant parties.
Critical reminders and safety guidelines before starting disassembly procedures.
Step-by-step guide to remove the power and control circuit board assembly.
Important notes and safety checks when removing or replacing the magnetron.
Important notes after door replacement, including switch checks and leakage tests.
Cautionary note to avoid damaging the door seal plate during disassembly.
Important notes for carefully removing turntable motor leadwires and connectors.
Explanation of the door lock mechanism designed to prevent microwave activity when the door is open.
Procedure for adjusting door latches and interlock switches to prevent microwave leakage.
Procedure to check door latch and switch closure, including gap measurements.
Steps to adjust the latch board to ensure proper switch sequence and gap closure.
Procedure to test the continuity of the primary interlock switch.
Procedure to test the continuity of the secondary interlock switch.
Procedure to test the continuity of the monitor switch.
Critical safety warnings before performing tests and troubleshooting procedures.
Detailed procedures for testing individual components like transformer and magnetron.
Troubleshooting procedures for identifying causes of fuse blowing issues.
Troubleshooting steps for when the 'SET TIME OF DAY' message does not appear.
Troubleshooting for incorrect display numbers or indications after programming.
