Free Microwave Oven Repair Histories: Panasonic through Quasar

Microtech

This page includes case histories of the brands:

Panasonic to Quasar

Page 1

Instructions on How To Troubleshoot and Repair Microwave Ovens

After reading the safety precautions , find the brand and model number, or the number closest to the model you are repairing.
Find the symptom(s) that most closely match the symptom(s) being displayed by the oven you are repairing.
Follow the specific troubleshooting and/or repair instructions to complete the repair. Click on highlighted text for a detailed explanation of that procedure.
Since this database is constantly being updated and appended, if you don't find what your looking for, try again at a later time.
Click here if you would like to be notified by e-mail when this page is updated.

Please Note:

The manufacturers' part numbers and prices listed here are subject to change without notice.

The individual model numbers are not necessarily arranged in numerical order

We hope that you find the information here helpful.. .

Important Safety Information
Repairing a microwave oven is a dangerous task. For your personal safety, please do not proceed unless you fully understand and are prepared to follow carefully these appropriate safety precautions .
Disclaimer: The author assumes no liability for any incidental, consequential or other liability from the use of this information. All risks and damages, incidental or otherwise, arising from the use or misuse of the information contained herein are entirely the responsibility of the user. Although careful precaution has been taken in the preparation of this material, we assume no responsibility for omissions or errors.
© 1996-2002 J. Carlton Gallawa
All Rights Reserved Worldwide
© Copyright Information

MICROWAVE OVEN REPAIR CASE HISTORY DATABASE (CONT'D)

PANASONIC
Model: NE-7030
Symptom: Will not start unless door is pushed hard.
Problem: Burned connection at lower interlock switch.
Test: Interlock Switch Test
Solution: Replace switch and repair burned connections. Repair Info:Soldering the wires directly to the terminals provides the best connection, but installing new slip-on connectors is adequate.

PANASONIC

Model: NE-1057, NE-1057C, NE-1257, NE-1077, NE-1277, NE-1457, NE-1457C, NE-1757, NE-1477, NE-1777
Symptom: Code "F11" or "F12" appears on the display intermittently
Problem: Moisture is accumulating on control panel from steam rising out of the door.
Solution: Install foam sealer (cushion rubber) along lower edge of control panel escutcheon. Part # A8251-3180

PANASONIC

Model: NE-1457, NE-1757
Symptom: "F12" on display
Problem: Defective lower magnetron tube
Test: Magnetron Tube Test
Solution: Replace magnetron. Part # 2M210-M1. Price:$95.00

PANASONIC

Model: NE-1457
Symptom: Weak heat and low humming sound
Problem: Weak magnetron tube
Solution: Test each magnetron output independently to determine which magnetron is weak
Test: Output Wattage Test
Solution: Replace defective upper magnetron. Part # 2M210-M. Price:$95.00

PANASONIC

Model: NE-1757A
Symptom: Weak heat
Test: Output Wattage Test
Problem: Burned slip-on connector on magnetron filament-voltage input terminal
Solution: Repair burned connection as follows. Observe Important safety instructions . Either replace burned connector and clean up magnetron terminal; or, Remove burned connector, clean up terminal and solder wire directly to the terminal

PANASONIC

Model: NE-6850
Symptom: Sometimes the turntable doesn't turn.
Problem: Weakened turntable drive belt
Solution: Replace the belt. Part # ANE4110Q50GN. Price:$4.80

PANASONIC

Model: NE-8021, NE-8051, NN-4208A, NN-5407, NN-5500A, NN-5512A, NN-6370WM, NN-6371WM.N, NN-6372AWM, NN-6381A, NN-6482A, NN-6503A, NN-7524AK
Symptom: No heat, weak heat, or intermittent heat
Problem: Magnetron filament connectors have loosened and, due to resistive heat, the terminal connections have deteriorated and burned off.
Solution: Repair defective terminals as follows:Either (1) Cut away burned wire, clean the magnetron terminals, and replace the slip-on connectors, or (2) Cut away burned wire and connector(s). Clean terminals to prepare for soldering. Solder filament leads directly to magnetron terminals. Be careful not to apply soldering heat any longer than necessary

PANASONIC

Model: NE-200010P
Symptom: "PPPP" on display
Problem: Defective oven temperature sensor.
Solution: Replace temperature sensor, part # ANE604LK20AP, sub to ANE604LL20AP

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Parts Suppliers and Manufacturer Contacts

You can contact these parts suppliers and microwave oven equipment manufacturers directly for replacement parts, product literature, dealer locations, technical assistance, etc. Please e-mail additions or corrections to: j.gallawa@cox.net

Glossary of Electronic and Microwave Oven Related Terms

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