[L29 error]

Are connections of

NO

CDB CN800 and CDB IPDU CN06

 

 

connectors normal?

 

 

YES

 

 

 

 

 

 

Correct connection of connector.

Was the error just after power ON determined?

NO

Is there no abnormal overload?

NO

YES

NO

Are cabling/connector normal?

YES

YES

Check cabling between IPDU and CDB and connector.

IPDU P.C. board error

Defect ÆReplace

Improve and eliminate the cause.

Is IPDU P.C. board come to

NO

 

closely contact with heat sink?

 

 

YES

 

 

 

 

 

 

Correct mounting.

IPDU P.C. board error Defect ÆReplace

[H02 error]

NO

Is power voltage normal?

 

YES

 

 

 

 

 

 

NO

 

 

 

Are connections of

 

 

 

 

 

 

 

cable/connector normal?

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

NO

Is compressor normal?

Is there no

 

 

 

slackened refrigerant?

 

 

 

 

 

 

YES

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

Does electron expansion

 

 

 

 

 

 

 

valve normally operate?

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

Improve power line.

Check and correct circuit cabling such as cabling to compressor

(phase missing) and connector.

Compressor lock ÆReplace

Check TE and TS sensors. ÆReplace Check electron expansion valve. ÆReplace

Check IPDU and CDB. Defect ÆReplace

* For RAV-SM562AT-E, replace control P.C. board.

– 95 –

Page 94 Page 96
Page 95
Image 95
Toshiba RAV-SM562UT-E, RAV-SM1102UT-E, RAV-SM1402UT-E, RAV-SM802UT-E service manual L29 error, H02 error
Page 94 Page 96

RAV-SM562UT-E, RAV-SM802UT-E, RAV-SM1402UT-E, RAV-SM1102UT-E specifications

Toshiba has established itself as a leading name in the field of heating, ventilation, and air conditioning (HVAC) systems. Among their extensive range, the RAV-SM802UT-E, RAV-SM1102UT-E, RAV-SM1402UT-E, and RAV-SM562UT-E stand out for their performance, efficiency, and innovative technology.

The Toshiba RAV-SM802UT-E is designed for medium-sized commercial spaces, providing a cooling capacity of 8 kW. It employs advanced inverter technology, which enables it to adjust the compressor speed based on the load demand. This adaptability leads to a significant decrease in energy consumption, making the unit both eco-friendly and cost-effective. The unit also features a high-efficiency rotary compressor and a wide operating temperature range, ensuring reliable performance even in extreme weather conditions.

Next in line, the RAV-SM1102UT-E offers an impressive 11 kW cooling capacity, making it suitable for larger commercial applications. This model incorporates Toshiba’s cutting-edge Superlink technology, which allows multiple indoor units to be connected to a single outdoor unit, providing flexible installation options. The RAV-SM1102UT-E is also equipped with a sleek and modern design that blends seamlessly with any architecture while ensuring low noise levels during operation, enhancing comfort in the workspace.

The RAV-SM1402UT-E is a powerhouse among the series, boasting a cooling capacity of 14 kW. It is built with an enhanced refrigerant management system that minimizes refrigerant leaks and optimizes thermal efficiency. This model supports smart building management systems, making it an ideal choice for tech-savvy businesses looking to integrate their HVAC systems into a broader energy management framework. Furthermore, it maintains high EU energy efficiency ratings, verifying Toshiba's commitment to environmental sustainability.

Lastly, the RAV-SM562UT-E, with its 5.6 kW cooling capacity, is tailored for smaller commercial environments and residential use. It retains all the core technologies featured in its counterparts, including inverter technology and a high-efficiency compressor, ensuring comfort without excessive energy usage. This model also includes a user-friendly remote control and programmable timer functions, allowing for customized comfort settings and enhanced convenience.

In summary, the Toshiba RAV-SM series represents the pinnacle of HVAC innovation, blending energy efficiency with advanced technology. Each model caters to specific needs, from the compact RAV-SM562UT-E to the robust RAV-SM1402UT-E, ensuring that every commercial and residential space can achieve optimal climate control.
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