Samsung CE287DNR - User Manual

Questions and Answers

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Jennifer GuerreroAug 19, 2025
What to do if my Samsung CE287DNR Microwave Oven timer starts but there is no heat?
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  Michelle ReillyAug 19, 2025
  If the timer on your Samsung Microwave Oven counts down but there's no heat, while the oven lamp and fan motor are running, the issue could stem from several causes. It may be due to misaligned latch switches, a loose connection in the high voltage circuit (particularly 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. It could also be caused by open or loose wiring of the power relay, a defective primary latch switch, or a defective power relay or Ass’y PCB. To resolve this, adjust the door and latch switches and inspect the high voltage components. If any component is defective, replace it. You may also need to replace the PCB main.
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James NicholsAug 21, 2025
Why does my Samsung Microwave Oven not accept key input?
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  melissa97Aug 22, 2025
  If your Samsung Microwave Oven does not accept key input, it could be because the key input is not in sequence, there is an open or loose connection of the membrane key pad to the Ass’y PCB, the membrane panel is shorted or open, or the Ass’y PCB is defective. Refer to the operation procedure. Replace PCB main.
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andersonmicheleAug 25, 2025
What to do if my Samsung CE287DNR Microwave Oven can program but timer doesn't start?
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  christopher21Aug 25, 2025
  If your Samsung Microwave Oven can be programmed but the timer does not start, it may be due to open or loose wiring of the secondary interlock switch, off-alignment of the primary interlock, or a defective secondary interlock S/W. Adjust the door and interlock switches.
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sanchezlindaAug 26, 2025
What to do if my Samsung CE287DNR Microwave Oven is not cooking evenly?
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  tiffany12Aug 26, 2025
  Uneven cooking in your Samsung Microwave Oven can be due to the natural uneven intensity of microwaves. To mitigate this, wrap thinner parts of the food with aluminum foil, use plastic wrap or cover with a lid. For foods like soup, cocoa, or milk, stir once or twice during cooking.
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wigginsrickyAug 28, 2025
What to do if my Samsung Microwave Oven stops during cooking?
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  Christopher KingAug 28, 2025
  If your Samsung Microwave Oven stops operating during cooking, it could be due to open or loose wiring of the primary interlock switch or the operation of the thermal cutout (Magnetron). Adjust the door and latch switches.
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Kayla ThompsonAug 30, 2025
Why is the microwave output low in my Samsung Microwave Oven?
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  Briana CareyAug 30, 2025
  Low microwave output in your Samsung Microwave Oven, causing longer cooking times, could be due to a decrease in power source voltage, open or loose wiring of the magnetron filament circuit (causing intermittent oscillation), or aging of the magnetron. Consult an electrician.
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Anthony KimSep 1, 2025
Why is my Samsung CE287DNR turntable motor not rotating?
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  Melanie ValenzuelaSep 1, 2025
  If the turntable motor in your Samsung Microwave Oven is not rotating, it could be due to open or loose wiring of the turntable motor or a defective turntable motor. Replace the turntable motor.
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Michele BurnsSep 3, 2025
Why is my Samsung CE287DNR Microwave Oven sparking?
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  Nancy ShafferSep 3, 2025
  Sparks in your Samsung Microwave Oven can occur if metallic ware or cooking dishes touch the oven wall, or if ceramic ware trimmed with gold or silver powder is used. Avoid using any cookware with metallic trimming.
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Makayla WilsonSep 5, 2025
What to do if my Samsung Microwave Oven is completely dead?
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  Elizabeth HoganSep 5, 2025
  If your Samsung Microwave Oven is completely dead, with no display or operation at all, and the fuse is OK, the cause may be an open or loose lead wire harness, an open thermal cutout (Magnetron), an open low voltage transformer, or a defective Ass’y PCB. If the thermal cutout is defective, check the fan motor. If the L.V.T is defective, check the Ass’y PCB.
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Heather RandallSep 8, 2025
What to do if my Samsung Microwave Oven has no display and doesn't operate after fuse is blown?
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  Janet CrossSep 8, 2025
  If your Samsung Microwave Oven has no display and doesn't operate, and the fuse is blown, it could be due to a shorted lead wire harness, a defective primary latch switch, a defective monitor switch, a shorted H.V.Capacitor, or a shorted H.V.Transformer. Check the adjustment of the primary, interlock monitor, power relay, and door sensing switch.

Summary

Safety Precautions

1-1 Safety Precautions

Detailed safety measures and compliance with standards for microwave oven servicing.

1-2 Special Servicing Precautions

Additional safety guidelines for technicians performing repairs and maintenance on the oven.

1-3 Special High Voltage Precautions

Specific safety protocols for handling high voltage components and circuits in the microwave oven.

Microwave Oven Specifications

2-1 Table of Specifications

Comprehensive technical specifications including power, dimensions, and components of the microwave oven.

Microwave Oven Operation

3-1 Control Panel

Overview and layout of the microwave oven's control panel and buttons.

3-2 Features & External Views

Description of the microwave oven's key features and external physical characteristics.

Disassembly and Reassembly Procedures

4-1 Replacement of Magnetron, Motor Assembly and Lamp

Step-by-step guide for removing and replacing critical internal components like the magnetron.

4-2 Replacement of High Voltage Transformer

Instructions for safely removing and installing the high voltage transformer.

4-3 Replacement of Door Assembly

Procedures for disassembling and reassembling the microwave oven door, including related parts.

4-4 Replacement of Fuse

Guidance on identifying and replacing the fuse, along with troubleshooting related components.

4-5 Replacement of Drive Motor

Steps for removing, replacing, and reinstalling the drive motor for the turntable.

4-6 Replacement of Control Circuit Board

Detailed instructions for removing and replacing the main control circuit board assembly.

Alignment and Adjustment Procedures

5-1 Component Checks and Tests

Procedures for testing high voltage transformer, magnetron, capacitor, diode, and relays.

5-7 Switch Adjustment and Testing

How to adjust and test primary, door sensing, and monitor interlock switches.

5-8 Performance Verification

Procedures for testing magnetron output power and heat distribution evenness.

5-10 Microwave Energy Leakage Measurement

Detailed steps for measuring microwave energy leakage using a survey meter and spacer.

Troubleshooting Guide

6-1 Electrical Malfunction

Guide to diagnosing and correcting electrical malfunctions based on symptoms and causes.

Exploded Views and Parts Identification

7-1 Exploded Views

Visual diagrams showing the exploded assembly of microwave oven components.

7-2 Main Parts List

Detailed list of main components with their part numbers and specifications.

7-3 Control Parts List

List of parts related to the microwave oven's control system and interface.

7-4 Standard Parts List

Catalog of standard hardware and common parts used in the microwave oven assembly.

Printed Circuit Board (P.C.B) Diagrams

8-1 P.C.B Diagrams

Electrical schematic diagrams for the main Printed Circuit Board (P.C.B).

8-2 P.C.B Parts List

List of components used on the Printed Circuit Board (P.C.B) assemblies.

Schematic Diagrams

9-1 Schematic Diagrams

Overall schematic diagrams illustrating the electrical connections and circuits of the microwave oven.

Samsung CE287DNR Specifications

General

Capacity	28 l
Microwave Power	900 W
Control Type	Electronic
Turntable	Yes
Weight	17.5 kg
Oven capacity	28 L
Built-in display	Yes
Display type	LED
Clock	Yes
Timer	Yes
Grill	Yes
Auto Cook Menu	Yes
Child Lock	Yes
Turntable size	318 mm
Turntable Diameter	318 mm