6. TROUBLESHOOTING

6-1. Summary of Troubleshooting

<Wired remote controller type>

1.Before troubleshooting

1)Required tools/instruments

•+ and – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch

•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)?

•Is not the outdoor unit in standby status though the remote controller reached the setup temperature?

•Does not timer operate during fan operation?

•Is not an overflow error detected on the indoor unit?

•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 automatic address being set up?

(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.)

•Is not being carried out a test run by operation of the outdoor P.C. board?

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

c)Are connecting cables of indoor unit and remote controller correct?

2. Troubleshooting procedure

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

Trouble

→

Confirmation of check code display

→

Check defective parts.

NOTE

For cause of a trouble, power conditions or malfunction/erroneous diagnosis of microcomputer due to outer noise is considered except the items to be checked. If there is any noise source, change the cables of the remote controller to shield cables.

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Toshiba RAV-SM566BT-E, RAV-SM406BT-TR Summary of Troubleshooting, Before troubleshooting, Troubleshooting procedure
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RAV-SM456BT-E, RAV-SM566BT-TR, RAV-SM566BT-E, RAV-SM456BT-TR, RAV-SM806BT-E specifications

Toshiba has long been recognized as a leader in air conditioning technology, and their latest models, including the RAV-SM806BT-E, RAV-SM566BT-TR, RAV-SM1106BT-E, RAV-SM456BT-E, and RAV-SM1406BT-E, are prime examples of innovation in climate control solutions. These models combine energy efficiency, advanced technology, and user-friendly features to meet diverse cooling and heating needs for both residential and commercial spaces.

The RAV-SM806BT-E is notable for its impressive cooling and heating capabilities, making it suitable for larger areas. With a robust cooling capacity of 8.0 kW, this model is equipped with inverter technology, providing variable speed control that optimizes energy consumption while ensuring consistent comfort levels. Its quiet operation makes it ideal for settings where noise control is crucial, such as offices and bedrooms.

Similarly, the RAV-SM566BT-TR offers a balanced solution for medium-sized environments. With a capacity of 5.6 kW, it features advanced air filtration systems that enhance indoor air quality by removing dust, allergens, and pollutants. This model is particularly appreciated in regions with high air pollution levels, providing a healthier living or working environment.

The RAV-SM1106BT-E stands out for its high efficiency and eco-friendly refrigerant use. This model is designed to reduce greenhouse gas emissions while delivering significant cooling output, making it a responsible choice for environmentally conscious consumers. Additionally, Toshiba’s smart temperature control technology allows users to precisely manage their climate settings through a user-friendly remote control or smartphone app, offering convenience and ease of use.

For those looking for a compact yet powerful solution, the RAV-SM456BT-E is designed to fit smaller spaces without sacrificing performance. With a cooling capacity of 4.5 kW, it still utilizes sophisticated inverter technology, ensuring minimal energy loss and optimal heating and cooling efficiency. Its compact design allows for flexible installations in varied spaces.

Lastly, the RAV-SM1406BT-E model emphasizes versatility and performance. With a cooling capacity of 14.0 kW, it is designed for larger commercial spaces, delivering powerful climate control while maintaining energy efficiency. Its advanced multi-zone system allows simultaneous operation across different areas, adapting to the unique requirements of each zone.

In summary, Toshiba's RAV-SM series reflects the company's commitment to innovation, energy efficiency, and user comfort. Each model offers unique features tailored to specific needs, setting new standards in the air conditioning industry. Whether for residential or commercial use, these systems provide reliable performance while promoting sustainable practices.
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