Concealed Duct High Static PressureInstallation Manual

Maintenance List

Concealed Duct High Static Pressure

Installation Manual

12 TROUBLESHOOTING

Part

Unit

Check (visual/auditory)

Maintenance

 

 

 

 

Heat exchanger

Indoor/outdoor

• Dust/dirt clogging,

• Wash the heat exchanger when it is clogged.

scratches

 

 

 

 

 

 

 

Fan motor

Indoor/outdoor

• Sound

• Take appropriate measures when abnormal sound is generated.

 

 

 

 

Filter

Indoor

• Dust/dirt, breakage

• Wash the filter with water when it is contaminated.

• Replace it when it is damaged.

 

 

 

 

 

 

 

Fan

Indoor

• Vibration, balance

• Replace the fan when vibration or balance is terrible.

• Dust/dirt, appearance

• Brush or wash the fan when it is contaminated.

 

 

 

 

 

 

Air inlet/outlet grilles

Indoor/outdoor

• Dust/dirt, scratches

• Fix or replace them when they are deformed or damaged.

 

 

 

 

Drain pan

Indoor

• Dust/dirt clogging,

• Clean the drain pan and check the downward slope for smooth

drain contamination

drainage.

 

 

 

 

 

 

Ornamental panel,

Indoor

• Dust/dirt, scratches

• Wash them when they are contaminated or apply repair

louvres

coating.

 

 

 

 

 

 

Exterior

Outdoor

• Rust, peeling of insulator

• Apply repair coating.

• Peeling/lift of coat

 

 

 

 

 

 

 

– 100 –

nConfirmation and check

When an error occurred in the air conditioner, an error code and indoor UNIT No. appear on the display part of the remote controller.

The error code is only displayed during the operation.

If the display disappears, operate the air conditioner according to the following “Confirmation of error log” for confirmation.

Error code

Indoor UNIT No. in

 

which an error occurred

nConfirmation of error log

When an error occurred on the air conditioner, the error log can be confirmed with the following procedure.

(The error history is stored in memory up to 4 errors.)

The log can be confirmed from both operating status and stop status.

2

3 1

Procedure 1

When pushing and buttons at the same time for 4 seconds or more, the following display appears.

If is displayed, the mode enters in the error log mode.

•[01: Order of error log] is displayed in CODE No..

•[Error code] is displayed in CHECK.

•[Indoor unit address in which an error occurred] is displayed in Unit No..

Procedure 2

Every pushing of button used to set temperature, the error log stored in memory is displayed in order.

The numbers in CODE No. indicate CODE No. [01] (latest)

→[04] (oldest).

REQUIREMENT

Do not push button because all the error log of the indoor unit will be deleted.

Procedure 3

After confirmation, push button to return to the usual display.

– 37 –

– 38 –

Page 99 Page 101
Page 100
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Toshiba RAV-SM2242DT-TR, RAV-SM2802DT-E, RAV-SM2802DT-TR service manual Confirmation and check, Confirmation of error log
Page 99 Page 101

RAV-SM2802DT-TR, RAV-SM2242DT-TR, RAV-SM2802DT-E specifications

Toshiba has long been a leader in heating, ventilation, and air conditioning (HVAC) technology, offering innovative solutions that cater to both residential and commercial needs. Among their impressive lineup, the Toshiba RAV-SM2802DT-E and RAV-SM2242DT-E stand out as exceptional models designed for efficiency, performance, and comfort.

The RAV-SM2802DT-E is a powerful unit ideal for larger spaces, boasting a cooling capacity of 28,000 BTU/h and a heating capacity of 31,000 BTU/h. This model features a highly efficient inverter compressor, which adjusts the power consumption based on the cooling or heating demand, ensuring optimal energy use. This inverter technology not only reduces energy consumption but also maintains a stable indoor temperature for enhanced comfort.

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Constructed with durability in mind, these units are built to withstand diverse weather conditions, making them suitable for various climatic environments. Additionally, their aesthetic design allows for seamless integration into any setting, ensuring that performance does not compromise on looks.

In summary, Toshiba's RAV-SM2802DT-E and RAV-SM2242DT-E offer a blend of superior technology, energy efficiency, and user-friendly features. With their inverter technology, advanced filtration systems, and durable designs, these models represent Toshiba's commitment to quality and innovation in the HVAC industry. Whether for residential or commercial applications, these units guarantee comfort and reliability all year round.
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