8. TROUBLESHOOTING

8-1. 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 the control operation performed from outside/remote side?

•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 controller?

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 position and 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-SM1403AT-E1 service manual Summary of Troubleshooting, Before troubleshooting, Troubleshooting procedure
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RAV-SM1403AT-E1 specifications

The Toshiba RAV-SM1403AT-E1 is a state-of-the-art air conditioning system designed for residential and commercial applications. Its advanced features and cutting-edge technology ensure optimal cooling and heating performance, making it a popular choice among consumers and businesses alike.

One of the standout characteristics of the RAV-SM1403AT-E1 is its energy efficiency. This model is equipped with a highly efficient inverter compressor that adjusts its output based on the cooling load required, which results in significant energy savings compared to traditional air conditioning systems. Its impressive Seasonal Energy Efficiency Ratio (SEER) ratings highlight its ability to provide effective climate control while minimizing electricity consumption.

The RAV-SM1403AT-E1 utilizes Toshiba’s innovative DC inverter technology, which allows for smoother and quieter operation. This means that users can enjoy a comfortable indoor environment without the disruptive noise often associated with conventional models. In addition to its quiet operation, this air conditioner also features an advanced air filtration system that helps to maintain indoor air quality by removing dust, allergens, and other pollutants.

Another major feature of this system is its versatility in installation. The RAV-SM1403AT-E1 can be installed in various configurations, allowing it to adapt to different spaces and design requirements. It supports multiple indoor units that can be connected to a single outdoor unit, providing flexibility for cooling or heating multiple areas simultaneously.

Smart technology is also integrated into the RAV-SM1403AT-E1. Users can take advantage of remote control options, including Wi-Fi capabilities that allow for convenient management of the air conditioning system via smartphones or tablets. This level of control ensures that users can adjust settings even when they are not present, increasing comfort and efficiency.

The build quality of the Toshiba RAV-SM1403AT-E1 reflects its durability and reliability. Designed to withstand varying environmental conditions, it includes corrosion-resistant features that extend the lifespan of the unit, making it a practical investment for both home and commercial use.

In summary, the Toshiba RAV-SM1403AT-E1 combines energy efficiency, advanced technology, and flexible installation options, making it an excellent choice for those seeking a high-performance air conditioning solution. With its innovative features and commitment to sustainability, this model stands out in the competitive HVAC market.
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