Samsung C100R User Manual

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SERVICE

MICROWAVE OVEN

CONTENTS

MICROWAVE OVEN

1. Precaution

2. Specifications

3. Operating Instructions

4. Disassembly and Reassembly

5. Alignment and Adjustments

6. Troubleshooting

7. Exploded Views and Parts List

8. PCB Diagrams

9. Schematic Diagrams

Manual

C100R

Questions and Answers:

D
Danielle EvansAug 19, 2025
What to do if my Samsung C100R timer counts down but doesn't heat?
- M
  maria18Aug 19, 2025
  If your Samsung Microwave Oven's timer starts counting down but there's no microwave oscillation (no heat, but the oven lamp and fan motor are working), it could be due to several reasons: * Misaligned latch switches. * Loose connections in the high voltage circuit, especially the magnetron filament circuit. * Defective high voltage components such as the H.V. Transformer, H.V. Capacitor, H.V. Diode, H.V. Fuse, or Magnetron. * Loose wiring of the power relay. * A defective primary latch switch. * A defective power relay or Ass’y PCB. Adjust the door and latch switches. Check the high voltage components according to the component test procedure and replace any defective components. Replace the PCB main.
M
Margaret HaneyAug 21, 2025
Why won't my Samsung C100R Microwave Oven accept key inputs?
- J
  Jeffrey GarciaAug 22, 2025
  If your Samsung Microwave Oven isn't accepting key inputs (program), it could be due to the following reasons: * Key input is not in sequence. * Open or loose connection of the membrane keypad to the Ass’y PCB. * Shorted or open membrane panel. * Defective Ass’y PCB. Refer to the operation procedure. Replace the PCB main.
M
Mr. Mark Chavez MDAug 25, 2025
Why won't the timer start on my Samsung C100R Microwave Oven?
- D
  dereksimmonsAug 25, 2025
  If your Samsung Microwave Oven can be programmed but the timer doesn't start, it might be because of: * Open or loose wiring of the secondary interlock switch. * Off-alignment of the primary interlock. * Defective secondary interlock S/W. Adjust the door and interlock switches.
D
Denise FreemanAug 26, 2025
Why is the turntable not rotating in my Samsung Microwave Oven?
- T
  Thomas VasquezAug 26, 2025
  If the turntable motor in your Samsung Microwave Oven does not rotate, it could be due to: * Open or loose wiring of the turntable motor. * Defective turntable motor. Replace the turntable motor.
J
James HansonAug 28, 2025
Why is my Samsung C100R Microwave Oven sparking?
- D
  dennisharrisAug 28, 2025
  If your Samsung Microwave Oven exhibits sparks, it's likely due to metallic ware or cooking dishes touching the oven wall, or ceramic ware trimmed with gold or silver powder. Avoid using any cookware with metallic trimming.
J
Jessica WilliamsAug 30, 2025
Why is my Samsung C100R taking longer to cook food?
- C
  Chelsey WhiteAug 30, 2025
  If your Samsung Microwave Oven isn't heating food properly and takes longer to cook, it could be due to a decrease in power source voltage, loose wiring in the magnetron filament circuit causing intermittent oscillation, or the magnetron aging. It is advisable to consult an electrician.
C
Christy WiseSep 1, 2025
Why does my Samsung Microwave Oven stop in the middle of cooking?
- A
  angelahillSep 1, 2025
  If your Samsung Microwave Oven stops operating during cooking, this may be due to: * Open or loose wiring of the primary interlock switch. * Operation of thermal cutout (Magnetron). Adjust the door and latch switches.
G
goodjulieSep 3, 2025
What to do if my Samsung C100R has no display and a blown fuse?
- J
  Joshua HoffmanSep 4, 2025
  If your Samsung Microwave Oven has no display and doesn't operate at all, and the fuse is blown, it could be due to: * Shorted lead wire harness. * Defective primary latch switch. * Defective monitor switch. * Shorted H.V. Capacitor. * Shorted H.V. Transformer. Check the adjustment of the primary, interlock monitor, power relay, and door sensing switch.
K
kathy84Sep 5, 2025
Why is my Samsung C100R Microwave Oven completely dead?
- D
  David MaysSep 5, 2025
  If your Samsung Microwave Oven is dead, the fuse is okay, there's no display, and no operation at all, it could be due to: * Open or loose lead wire harness. * Open thermal cutout (Magnetron). * Open low voltage transformer. * Defective Ass’y PCB. Check the fan motor when the thermal cutout is defective. Check the Ass’y PCB when the L.V.T is defective.
A
Andrea BrownSep 7, 2025
Why does the fan motor turn on when I plug in my Samsung Microwave Oven?
- V
  vhardinSep 8, 2025
  If the fan motor in your Samsung Microwave Oven turns on when plugged in, it is likely due to loose wiring of the door sensing switch. Check the wire of the door sensing switch.

Samsung C100R Specifications

General

Brand	Samsung
Model	C100R
Category	Microwave Oven
Language	English

Summary

Precaution

Safety Precautions for Servicing

Essential safety measures to follow when servicing the microwave oven.

Special Servicing Precautions

Additional precautions for technicians during microwave oven repair.

High Voltage Precautions

Critical safety warnings and procedures for handling high voltage.

Disassembly and Reassembly

Replacing Magnetron, Motor, and Lamp

Replacing High Voltage Transformer

Door Assembly Replacement

Control Circuit Board Replacement

Alignment and Adjustments

High Voltage Transformer Alignment

Magnetron Testing

High Voltage Capacitor Testing

High Voltage Diode Testing

Safety Switch Adjustment

Detailed procedures for adjusting crucial safety interlock switches.

Magnetron Output Power Measurement

Method for measuring magnetron output power via a water temperature rise test.

Microwave Energy Leakage Measurement

Comprehensive guide on how to measure microwave energy leakage.

Microwave Leakage Check

Specific steps for performing a microwave leakage check.

Leakage Measurement Procedures and Record Keeping

Guidelines for recording, notifying, and maintaining leakage test data.

Troubleshooting

Electrical Malfunction Troubleshooting

Common electrical issues, their causes, and corrective actions.

P.C.B Diagrams

Printed Circuit Board Diagrams

Schematic Diagrams

Overall Schematic Diagrams

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