[E18 error]

Is inter-unit cable

NO

 

of A and B normal?

 

 

YES

 

 

 

 

 

 

Is there no disconnection

or contact error of connector YES on harness from terminal block

of indoor unit?

NO

NO

Is group control operation?

YES

Is power of all indoor units turned on?

NO

 

 

 

YES

 

 

 

 

 

 

Is there no contact error

YES

of indoor/outdoor inter-unit cable

 

 

(Signal line)?

 

 

NO

 

 

 

 

 

 

Correct inter-unit cable

of remote controller.

Correct connection of connector.

Check circuit wiring.

Check power

connection status of indoor unit

(Connect again).

Correct indoor/outdoor inter-unit cable

(Serial signal line).

Check indoor P.C. board

(MCC-1403).

Defect Replace

[E08, L03, L07, L08 error]

E08: Duplicated indoor unit No.

L03: There are 2 or more master units in a group control.

L07: There is 1 or more group address [Individual] in a group control.

L08: The indoor group address is unset. (99)

If the above error is detected when power supply turned on, the mode enters automatically in the automatic address set mode. (Check code is not output.)

However, if the above error is detected during the automatic address set mode, a check code may be output.

[L09 error]

Is not yet capacity setting

YES

 

of indoor unit set up?

 

 

NO

 

 

 

 

 

 

Set capacity data of indoor unit.

(Setup CODE No. (DN)=11)

Check indoor P.C. board (MCC-1403).

Defect Replace

– 42 –

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Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR, RAV-SM2802DT-TR service manual E18 error, E08, L03, L07, L08 error, L09 error

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.

On the other hand, the RAV-SM2242DT-E is tailored for mid-sized applications with a cooling capacity of 22,000 BTU/h and a heating capacity of 25,000 BTU/h. This model also embraces inverter technology, promoting lower operational costs while delivering reliable performance. Both units come with a high energy efficiency rating, reducing environmental impact and saving on utility bills.

One of the key characteristics of these Toshiba models is their advanced filtration system. Equipped with a high-performance filtration mechanism, they can effectively reduce dust, allergens, and other pollutants, ensuring a healthier indoor environment. The units also operate quietly, contributing to a peaceful atmosphere, whether in a home, office, or commercial space.

Both the RAV-SM2802DT-E and RAV-SM2242DT-E are designed with user convenience in mind. They come with a user-friendly remote control, allowing for easy adjustments and settings from anywhere in the room. Compatibility with smart home systems further enhances user experience by enabling remote monitoring and control through smartphones or tablets.

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.