Mitsubishi Electronics MSZ-GA22VA, MSZ-GA25VA, MSZ-GA35VA Indoor unit failure mode table

Models: MSZ-GA25VA MSZ-GA35VA MSZ-GA22VA

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2. Indoor unit failure mode table

NOTE:Blinking patterns of this mode differs from the ones of Troubleshooting check table(9-4.).

Left lamp of

Abnormal point

Detection method

Check point

OPERATION

(Failure mode)

INDICATOR lamp

 

 

 

 

 

Not lighted

Normal

 

 

 

 

1-time flash

Room temperature

When the room temperature thermistor

Refer to the characteristics of the room

short or open circuit is detected every 8

every 0.5-second

thermistor

temperature thermistor (9-7.).

seconds during operation.

 

 

 

 

 

 

 

2-time flash

 

When the indoor coil thermistor short or

Refer to the characteristic of the main

Indoor coil thermistor

open circuit is detected every 8 seconds

indoor coil thermistor, the sub indoor coil

2.5-second OFF

 

during operation.

thermistor (9-7.).

 

 

 

 

 

 

3-time flash

Serial signal error

When the serial signal from the outdoor unit is

Refer to 9-6.D"How to check miswiring

2.5-second OFF

not received for a maximum of 6 minutes.

and serial signal error".

 

 

 

 

 

11-time flash

 

When the rotational frequency feedback

Refer to 9-6.A"Check of indoor fan

Indoor fan motor

signal is not emitted during 12-second the

2.5-second OFF

motor".

 

indoor fan operation.

 

 

 

 

 

 

 

12-time flash

 

When it cannot properly read data in the

Replace the indoor electronic control

Indoor control system

nonvolatile memory of the indoor electronic

2.5-second OFF

P.C. board.

 

control P.C. board.

 

 

 

 

 

 

 

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Mitsubishi Electronics MSZ-GA22VA, MSZ-GA25VA, MSZ-GA35VA service manual Indoor unit failure mode table

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.