B Check of remote controller and indoor electronic control P.C. board

Check if the remote controller is exclusive for this air conditioner.

Press OPERATE/STOP (ON/OFF) button on the remote controller.

Is LCD display on the remote controller visible?

Yes

Remove the batteries, then set them back and press RESET button. (Refer to 8-1.4.) Check if the unit operates with the remote controller.

Does the unit operate with the remote controller?

Yes

OK

 

 

Replace the batteries. (Refer to 8-1.4.)

No

 

(Not clear)

 

 

 

Turn ON a radio to AM and press OP-

 

 

ERATE/STOP (ON/OFF) button on the

No

 

remote controller.

 

 

 

 

 

 

 

 

 

 

Is noise heard from radio?

Yes

Are there any fluorescent lights of inverter or rapid-start type within the range of 3.28 ft.?

 

 

Replace the remote controller.

No

 

 

 

 

•Reinstall the unit away from lights.

Yes

 

•Attach a filter on receiving part.

 

 

 

MSZ-A24NA

No

 

MSY-A24NA

 

MSZ-A09/12/15/17NA MSY-A15/17NA

Measure the voltage between receiver P.C. board connector CN301 No.2(+) and No.3(-) when the remote controller button is pressed.

Is the voltage approx. 4 VDC?

 

Yes

 

No (5 or 0 VDC)

 

 

 

 

 

Replace the receiver P.C. board.

Replace the indoor electronic control P.C. board.

19

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Logitech MSZ-A09NA, OB450 REVISED EDITION-B service manual MSZ-A24NA MSY-A24NA, MSZ-A09/12/15/17NA MSY-A15/17NA
Page 18 Page 20

MSZ-A09NA, OB450 REVISED EDITION-B specifications

The Logitech MSZ-A09NA, OB450 Revised Edition-B stands as a testament to professional-grade technology, designed for both home and office productivity. This advanced device combines functionality with sleek design, making it an essential tool for users demanding efficiency and performance.

At its core, the Logitech MSZ-A09NA is equipped with state-of-the-art input technologies that enhance user experience. Whether you are a gamer, an avid typist, or a creative professional, this model caters to diverse needs. The mouse features an ergonomic shape that allows for hours of comfortable use, while the advanced optical sensor ensures precision tracking on various surfaces.

One of its standout features is the customizable button layout. Users can program each of the additional buttons to suit specific tasks, making it an ideal choice for gamers who require quick access to critical commands or professionals who benefit from application shortcuts. The mouse supports multiple profiles, allowing for seamless transitions between different user preferences.

Connectivity is another significant strength of the Logitech MSZ-A09NA. The device offers both wired and wireless options, ensuring versatility for any setup. The wireless connection is powered by Logitech’s advanced technology, providing a reliable link without the clutter of cables. With a battery life that can last weeks on a single charge, this mouse eliminates the need for frequent interruptions.

Moreover, the OB450 Revised Edition-B features RGB lighting that can be customized through Logitech’s software. This not only enhances aesthetic appeal but also allows users to create personalized lighting effects that can match their workspace or reflect their personal style.

Durability is a hallmark of the Logitech MSZ-A09NA, built with high-quality materials that can withstand extensive daily use. The mouse buttons have been rigorously tested to ensure they stand the test of time, making it a worthy investment for any user.

In summary, the Logitech MSZ-A09NA, OB450 Revised Edition-B excels in providing a blend of comfort, customization, and connectivity. Its thoughtful design and advanced technology make it an exceptional choice for anyone looking to enhance their computing experience. Whether for professional work, gaming, or everyday tasks, this mouse is equipped to meet the demands of modern users, offering both reliability and style.
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