Error mode detected by indoor unit (1)

 

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

 

Judgment and measures

Block

Check

Cause of operation

Status of air

Condition

 

display

code

conditioner

 

 

 

 

 

 

 

 

 

 

[MODE] lamp

 

Error in indoor fan system

All stop

Displayed when

1. Check indoor fan motor connector

5Hz flash

 

Revolutions frequency error of

 

error is detected

circuit (CN210).

 

 

 

 

 

 

 

fan

 

 

2. Check indoor fan.

 

 

 

 

 

3. Check indoor P.C. board (Main P.C.

 

 

 

 

 

board).

 

 

 

 

 

 

 

 

Error in indoor unit or other

Operation

Displayed when

1. Check indoor P.C. board

 

 

positions

continues

error is detected

(EEPROM and peripheral circuits)

 

 

1. EEPROM access error

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

 

 

Outside error input

Operation

Displayed when

1. Check outside devices.

 

 

Detected by input voltage level

continues

error is detected

2. Check indoor P.C. board (Main P.C.

 

 

from outside devices

 

 

board).

 

 

 

 

 

 

 

 

Outside interlock input

All stop

Displayed when

 

 

 

Detected by input voltage level

 

error is detected

 

 

 

 

 

 

 

 

from outside devices

 

 

 

 

 

 

 

 

 

Error mode detected by indoor unit (2)

 

Operation of diagnostic function

 

 

 

 

 

Judgment and measures

Check

Cause of operation

Status of air

Condition

 

code

conditioner

 

 

 

 

 

 

 

 

 

 

Serial return signal is not sent

ON/OFF

Displayed when

1. Indoor unit does not completely operate.

 

from No. 1 indoor unit to

 

error is detected

• Check inter-unit cable.

 

remote controller.

 

 

 

 

 

• Check indoor P.C. board. (Main/Sub P.C. boards)

 

• Miscabling of inter-unit cable

 

 

 

 

 

• Check remote controller.

 

between remote controller

 

 

 

and indoor unit

 

 

2. In normal operation

 

• Miss-setting of indoor unit No.

 

 

• Check setting of indoor unit No.

 

(Group address)

 

 

(SW01) (Sub P.C. board)

 

 

 

 

• Check remote controller.

 

 

 

 

 

– 119 –

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Image 119
Toshiba RAV-SM800BT-E, RAV-SM800AT-E, RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM560AT-E, RAV-SM560BT-E service manual 119, Conditioner
Page 118 Page 120

RAV-SM800BT-E, RAV-SM560BT-E, RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM800UT-E specifications

Toshiba offers a range of innovative air conditioning units designed for optimal performance and efficiency, including the RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM560BT-E, and RAV-SM800BT-E models. Each of these units is part of Toshiba's commitment to quality air conditioning solutions that cater to both residential and commercial spaces.

The RAV-SM800UT-E and RAV-SM800AT-E models are notable for their impressive cooling and heating capacities, making them ideal for larger spaces. They feature advanced inverter technology, which adjusts the compressor's speed to maintain a consistent temperature while reducing energy consumption. This not only ensures comfort but also translates into significant energy savings over time.

In terms of design, these models benefit from Toshiba's sleek and modern aesthetics, allowing them to blend seamlessly into various interior styles. The noise levels are remarkably low, thanks to Toshiba's engineering, making these units suitable for use in environments where quiet operation is paramount, such as offices and bedrooms.

The RAV-SM560UT-E and RAV-SM560BT-E models offer similar performance but are tailored for smaller spaces without compromising on efficiency. They include features such as multilayer air filtration systems that effectively remove dust, allergens, and other pollutants, ensuring a healthier indoor air environment. Furthermore, they come equipped with intelligent control options, allowing users to operate the units remotely via smartphone applications.

Another standout characteristic of the RAV-SM800BT-E is its ability to provide both cooling and heating, making it a versatile option throughout the year. These units utilize R32 refrigerant, which has a lower global warming potential compared to traditional refrigerants, aligning with Toshiba's commitment to sustainability.

Each of these models is designed for easy installation and maintenance, featuring a user-friendly interface and robust build quality. The advanced diagnostics feature allows for timely troubleshooting and maintenance, ensuring the longevity of the units.

In summary, Toshiba's RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM560BT-E, and RAV-SM800BT-E models represent a blend of innovative technology, user-centric design, and environmental responsibility. These units not only deliver exceptional climate control but also contribute to reducing energy costs and improving indoor air quality, making them a smart choice for a wide range of applications.
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