Manuals / Toshiba / Household Appliance / Air Conditioner

Toshiba RAV-SM1102UT-E, RAV-SM1402UT-E, RAV-SM802UT-E Trouble Confirmation of lamp display

Models: RAV-SM562UT-E RAV-SM802UT-E RAV-SM1402UT-E RAV-SM1102UT-E

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<W ireless remote controller type> (For 4-way air discharge cassette type only models)

1.Before troubleshooting

1)Required tools/instruments

• + and – screwdrivers, spanners, radio cutting pliers, nippers, etc.

•Tester, thermometer, pressure gauge, etc.

2)Confirmation points before check

a) The following operations are normal.

1.Compressor does not operate.

•Is not 3-minutes delay (3 minutes after compressor OFF)?

•Does not thermostat turn off?

•Does not timer operate during fan operation?

•Is not outside high-temperature operation controlled in heating operation?

2.Indoor fan does not rotate.

•Does not cool air discharge preventive control work in heating operation?

3)Outdoor fan does not rotate or air volume changes.

•Does not high-temperature release operation control work in heating operation?

•Does not outside low-temperature operation control work in cooling operation?

•Is not defrost operation performed?

4)ON/OFF operation cannot be performed from remote controller.

•Is not forced operation performed?

•Is not the control operation performed from outside/remote side?

•Is not automatic address being set up?

a)Did you return the cabling to the initial positions?

b)Are connecting cables between indoor unit and receiving unit correct?

2.Troubleshooting procedure

(When the power is turned on at the first time or when indoor unit address setting is changed, the operation cannot be performed for maximum approx. 5 minutes after power-ON.)

When a trouble occurred, check the parts along with the following procedure.

Trouble

→

Confirmation of lamp display

(When 4-way air discharge cassette type wireless remote controller is connected)

→

Check defective position and parts.

1)Outline of judgment

The primary judgment to check where a trouble occurred in indoor unit or outdoor unit is performed with the following method.

Method to judge the erroneous position by flashing indication on the display part of indoor unit (sensors of the receiving unit)

The indoor unit monitors operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.

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Toshiba RAV-SM1102UT-E, RAV-SM1402UT-E, RAV-SM802UT-E, RAV-SM562UT-E service manual Trouble Confirmation of lamp display
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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.