Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller.

B Check of remote controller and receiver P.C. board

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

Switch on the remote controller.

Is LCD display on the the remote

No

 

controller visible?

 

(not clear)

Yes

Replace the batteries. (Refer to 9-1.4.)

Remove the batteries, then set them back and press RESET button. (Refer to 9-1.4.) Check if the unit operates with the remote controller.

Does the unit operate with the

No

 

remote controller?

 

Yes

 

OK

 

Turn on a radio to AM and press switch on the remote controller.

Is noise heard from radio?

 

No

 

 

 

 

Yes

 

 

 

 

 

 

 

 

Are there any fluorescent lights of

Yes

inverter or rapid-start type within

 

 

 

 

the range of 1m?

 

 

Replace the remote controller.

Reinstall the unit away from lights.

Attach a filter on receiving part.

Replace the indoor electronic control P.C. board.

18

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Mitsubishi Electronics MSZ-GA25VA, MSZ-GA22VA, MSZ-GA35VA service manual Check of remote controller and receiver P.C. board

MSZ-GA25VA, MSZ-GA35VA, MSZ-GA22VA specifications

The Mitsubishi Electronics MSZ-GA series encompasses a range of wall-mounted split systems, including the MSZ-GA22VA, MSZ-GA25VA, and MSZ-GA35VA models, designed to provide efficient heating and cooling solutions for a variety of environments. Renowned for their advanced technology and user-friendly features, these air conditioning units are a perfect match for residential and light commercial spaces.

One of the standout features of the MSZ-GA series is the innovative INVERTER technology. This system intelligently adjusts the compressor speed, ensuring that the units operate at optimal efficiency. By maintaining a consistent temperature without constant on/off cycling, this technology significantly reduces energy consumption, leading to lower electricity bills and a reduced carbon footprint.

Another major aspect of these models is their powerful yet quiet operation. The units are designed with advanced noise-reduction technology, allowing them to function at low sound levels, making them ideal for bedrooms and living rooms where disturbances should be kept to a minimum. With noise levels as low as 19 dB(A), users can enjoy a peaceful indoor environment even while the system is running.

Additionally, the MSZ-GA22VA, MSZ-GA25VA, and MSZ-GA35VA models feature an elegant and compact design, which easily integrates into any interior decor. Their sleek and minimalist aesthetics do not compromise on performance, making them a favorite among homeowners and designers alike.

The series also comes with a user-friendly remote control, enabling easy temperature adjustments and settings from across the room. For added convenience, these models include a programmable timer feature, allowing users to set the system to operate according to their schedules. This flexibility not only enhances comfort but also optimizes energy usage.

Moreover, the MSZ-GA series incorporates a powerful air filtration system that helps improve indoor air quality. Featuring a washable anti-allergy enzyme filter, these units capture dust and allergens, making the air cleaner and healthier for occupants.

With a focus on energy efficiency, quiet operation, and advanced air purification, the Mitsubishi Electronics MSZ-GA22VA, MSZ-GA25VA, and MSZ-GA35VA represent an excellent choice for anyone seeking reliable and effective climate control solutions. Whether heating or cooling, these models ensure maximum comfort while minimizing energy usage and environmental impact.