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Mitsubishi Electronics MSZ-GA22VA Trouble criterion of main parts, MXZ type Right lamp flash

Models: MSZ-GA25VA MSZ-GA35VA MSZ-GA22VA

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OPERATION INDICATOR

Lighted · Flashing of OPERATION INDICATOR lamp (all lamps) indicates abnormality.

Blinking

Not lighted

NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table

No.

Abnormal

Operation indicator lamp

Symptom

Detection method

Check point

 

point

 

 

 

 

 

Attachment

All lamps flash at the same time.

Indoor unit

 

 

 

0.5-second ON

When the electricity is not conducted to the

• Refer to 9-6.E"Check of

 

of the

and outdoor

1

installation of the horizontal

 

horizontal

 

unit do not

interlock switch (Fan) of the horizontal vane.

vane".

 

vane

 

operate.

 

 

0.5-second OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

OPERATION INDICATOR Lighted

Blinking

Not lighted

·Flashing of OPERATION INDICATOR lamp (right-hand side lamp) indicates abnormality.

·OPERATION INDICATOR lamp (left-hand side lamp) is lighted.

No.

Abnormal

Operation indicator lamp

Symptom

Detection method

Check point

 

point

 

 

 

 

 

MXZ type

Right lamp flash

Outdoor unit

When the operation mode of the each indoor

• Unify the operation mode.

 

Operation

 

operates but

unit is differently set to COOL(includes DRY)

1

 

Refer to service manual

 

indoor unit

and HEAT at the same time, the operation

mode

 

 

OB377.

 

2.5-second OFF

does not

mode of the indoor unit that has operated at

 

setting

 

 

 

 

 

operate.

first has the priority.

 

NOTE : When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P.C. board turns OFF the indoor fan motor with OPERATION INDICATOR lamp flashing.

9-5. Trouble criterion of main parts

MSZ-GA22VA - E1 MSZ-GA25VA - E1

MSZ-GA35VA - E1

Part name

Room temperature thermistor(RT11)

Indoor coil thermistor (RT12(MAIN), RT13(SUB))

Indoor fan motor(MF)

Check method and criterion

Figure

Measure the resistance with a tester. (Part temperature 10˚C ~ 30˚C)

Normal

Abnormal

8 k" ~ 20 k"

Open or short-circuit

Check 9-6. A.

 

Horizontal vane motor(MV)

Measure the resistance between the terminals with a tester. (Part temperature 10°C ~ 30°C)

Color of the lead wire

Normal

Abnormal

BRN-other one

235 " ~ 255 "

Open or short-circuit

RED

ROTOR

YLW

BRN

ORN GRN

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Mitsubishi Electronics MSZ-GA22VA, MSZ-GA25VA, MSZ-GA35VA Trouble criterion of main parts, MXZ type Right lamp flash
Page 15 Page 17

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.