Most common
problems & fixes

Is your Samsung MW1255WA letting you down? Don't worry, we're here to help. Check out our list of the most common problems and how to fix them yourself.

Microwave oven is dead with no display or operation.

Open or loose lead wire harness, open thermal cutout (Magnetron).

Check and secure the lead wire harness, replace thermal cutout if necessary.

Loud buzzing noise is heard.

Loose fan and fan motor, loose screws on H.V.Transformer, shorted H.V.Diode.

Tighten screws of fan motor and H.V.Transformer, replace shorted H.V.Diode.

Oven lamp and fan motor turn on but no microwave oscillation.

Misadjustment or loose wiring of secondary latch switch.

Adjust and secure the wiring of the secondary latch switch.

No display and no operation at all with blown fuse.

Shorted lead wire harness, defective secondary latch switch, shorted HV Capacitor.

Replace the fuse, check and replace defective components if needed.

View all problems & fixes

Quick setup

Follow these easy steps to get your Samsung MW1255WA Oven up and running in no time.

1

Unpacking the Oven

Carefully remove the Samsung MW1255WA from its packaging, ensuring all protective materials are discarded, and verify that all components are included.

2

Positioning the Oven

Place the oven on a stable, flat surface that can support its weight. Ensure that there is adequate ventilation space around the oven, with at least 10 cm of free space on all sides.

3

Plugging in the Oven

Connect the oven to a standard 120V AC power source using the provided power cord. Ensure the outlet is properly grounded and capable of handling the oven's power requirements.

View the rest of the steps

Control Panel Fun

The Samsung MW1255WA has a super sleek control panel that makes you feel like you're operating a spaceship. It's got easy-to-use buttons that even your grandma would love!

Light Up Your Life

It comes with a special light inside that makes your food look like it's on a stage, ready for its big performance!

Troubleshooting

The Samsung MW1255WA Oven has some known problems that occur often. Here are some easy to do solutions for the problems or error codes your Samsung might be giving you.

Oven is dead. Fuse is OK. No display and no operation at all.

The oven appears completely unresponsive despite the fuse being intact. Check for open or loose lead wire harness, open thermal cutout (Magnetron), or defective Ass'y PCB. Ensure all wiring is secure and components are functional.

No display and no operation at all. Fuse is blown.

The oven is non-functional with a blown fuse. Address potential causes such as shorted lead wire harness, defective secondary latch switch, defective monitor switch, shorted HV Capacitor, or shorted HV Transformer. Replace faulty components accordingly.

Key input is not in-sequence.

The oven does not recognize key inputs as expected. Ensure membrane key pad connection to the Ass'y PCB is secure. Replace shorted or open membrane panel or defective Ass'y PCB if necessary.

More Troubleshooting

Specifications

The Samsung MW1255WA Oven operates on a power source of 120V 60Hz AC with a power consumption of 1,550W. It offers an output power of 1,100W across 10 power levels, and the operating frequency is 2,450MHz. The microwave uses an OM75PH(31)ESS magnetron and a cooling fan motor. Its outside dimensions are 20 19/32 inches in width, 11 45/64 inches in height, and 16 4/1 inches in depth. The net weight of the oven is 33 lbs, with a shipping weight of 36 lbs.

Safety Precautions

Special safety precautions must be followed due to possible exposure to microwave radiation and potentially lethal high voltages. Safety checks should be performed before activating the magnetron or other microwave sources. It is crucial to verify interlock operation, door closing, seal integrity, and check for damage or loosening of hinges and latches.

Troubleshooting

In case of electrical malfunctions, users should check for open or loose lead wire harnesses, open thermal cutouts, and other potential issues. The oven provides guidance for troubleshooting symptoms such as a non-operational oven despite an intact fuse, lack of display, or prolonged cooking times.

Federal Compliance

This product complies with the Federal Performance Standard 21 CFR Subchapter J (DHHS). A microwave emission check should be performed prior to servicing to ensure compliance with safety standards.

Control Panel and Features

The control panel of the Samsung MW1255WA Oven includes various features and external views such as door ventilation holes, light safety interlock holes, control panel, open door push button, guide roller, glass tray, and door latches. The oven also features a safety interlock system which prevents operation when the door is open.

Operating Instructions

The Samsung MW1255WA Oven is equipped with a timer that allows operation up to 99 minutes and 99 seconds. Users should follow appropriate operating instructions to ensure optimal performance and safety during use.

Disassembly and Reassembly

The manual provides detailed instructions for disassembly and reassembly, including the replacement of the magnetron, motor assembly, and lamp. It is important to handle components carefully to avoid damage during maintenance.

Maintenance

Check out our tips to prevent many common issues and extend the life of your Samsung Oven.

Regular Inspection

Perform regular inspections of the door and seals to ensure they are not damaged or loose. This helps prevent microwave energy leakage.

Check Electrical Components

Ensure all electrical components, including fuses and wiring, are intact and not damaged. Replace any defective components immediately.

Magnetron and High Voltage

Before servicing, check the magnetron, wave guide, and cavity for proper alignment and connections. Ensure high-voltage components such as capacitors and diodes are functioning correctly.

Door and Interlock Switches

Adjust the door and interlock switches to ensure they function properly. Misalignment can cause operational issues.

Avoid Operating with Door Open

Do not operate the oven if the door is open. This can cause exposure to excessive microwave energy and is a safety hazard.

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tech specs

Need more info? Please have a look at the tech specs of the watch. We’ve used Latest technology & quality materials

General Specifications

  • Timer: 99 minutes 99 seconds
  • Power Source: 120V 60Hz, AC
  • Microwave Power Consumption: 1,550W
  • Output Power: 1100W (10 level power)
  • Operating Frequency: 2,450MHz
  • Cooling Method: Cooling fan motor

Dimensions and Weight

  • Outside Dimensions: 20 19/32(W) x 11 45/64(H) x 16 4/1(D) inches
  • Net Weight: 33 lbs.
  • Shipping Weight: 36 lbs.

Components

  • Magnetron: OM75PH(31)ESS

Samsung MW1255WA Microwave: A Blend of Power and Precision

The Samsung MW1255WA microwave is a sophisticated kitchen appliance designed for those who appreciate both power and precision in their cooking. With a robust microwave power consumption of 1,550W and an output power of 1,100W, this model ensures efficient and effective cooking, offering ten different power levels for versatile food preparation. Its sleek design, featuring dimensions of 20 19/32 inches in width, 11 45/64 inches in height, and 16 4/1 inches in depth, allows it to fit seamlessly into modern kitchens while providing ample cooking space. The microwave operates at a frequency of 2,450MHz and uses an OM75PH(31)ESS magnetron cooled by a dedicated fan motor, ensuring consistent performance. The user-friendly control panel, along with safety features like door latches and ventilation holes, makes this microwave a reliable choice for any home. Its net weight of 33 lbs and a shipping weight of 36 lbs make it manageable yet sturdy, reflecting Samsung's commitment to quality and durability.