Check

Outdoor

Check and troubleshooting

code

LED display

(Item without special mention Indicates part of outdoor unit.)

 

 

 

[H01]

<Display 1> <Display 2>

[Compressor break down]

l¥

l

l

Is power supply voltage normal?

NO

 

 

 

 

Correct power supply line.

 

¡

l

 

 

 

 

 

AC198 to 264V

 

 

 

l

l

YES

 

 

 

 

 

 

 

 

 

 

 

 

¡

l

 

 

 

 

 

 

 

 

 

 

 

 

 

¡

¡

 

Is wire connection normal?

NO

 

 

 

 

 

 

 

 

 

 

 

 

Compressor lead

 

Check wire connection

 

 

 

 

(Board side, Compressor side),

 

 

and correct it.

 

 

 

 

Reactor lead, Power supply lead

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is it not abnormal overload?

 

Correct and clear the cause.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[H02] <Display 1>

<Display 2>

[Compressor lock]

 

 

 

 

l

l

 

 

 

 

 

 

 

 

 

l

¥

 

 

Is power supply voltage normal?

NO

 

 

 

 

 

 

Correct power supply line.

 

¡

l

 

 

 

 

 

 

 

AC198 to 264V

 

 

 

 

 

 

 

 

 

l

l

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

¡

l

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

¡

¡

 

 

Is wire connection normal?

NO

 

 

 

 

 

 

 

 

Check wire connection

 

 

 

 

 

Compressor lead

 

 

 

 

 

 

 

 

 

 

 

 

 

(Board side, Compressor side),

 

 

and correct it.

 

 

 

 

 

Reactor lead, Power supply lead

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

Is compressor normal?

 

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is there no refrigerant stagnation?

 

Compressor lock Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

Does PMV normally operate?

 

Check TE, TS sensors and PMV.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

Defect Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[H03]

<Display 1> <Display 2> [Current detection circuit error]

l¥

l

¥

 

 

 

Check outdoor P.C. board.

 

¡

l

 

 

 

Defect Replace

 

l

l

 

 

 

 

 

 

 

 

 

 

¡l

¡¡

– 90 –

Page 90
Image 90
Toshiba RAV-SM1404UT-E, RAV-SM804UT-E H02 Display Compressor lock, H03 Display 1 Display 2 Current detection circuit error

RAV-SP1104ATZG-E, RAV-SP1104ATZ-E, RAV-SP1404ATZ-E, RAV-SM804UT-E, RAV-SP1404AT-E specifications

Toshiba has long been a notable player in the air conditioning market, with a range of products designed to deliver effective cooling and heating solutions. Among its recent offerings are the RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models. Each of these models is engineered for efficiency, performance, and user convenience.

The RAV-SP1104AT-E is designed for residential and commercial spaces alike, featuring advanced inverter technology. This model operates efficiently by adjusting compressor speed according to the required cooling load, resulting in reduced energy consumption and optimal performance. With a cooling capacity of 11 kW, it is suitable for medium to large spaces.

The RAV-SM1404UT-E model builds on this efficiency with enhanced features aimed at maximizing comfort. It includes a built-in Wi-Fi capability, allowing users to control the system remotely through a mobile app. This model boasts a high-energy efficiency rating, which translates into lower operating costs and a smaller environmental footprint.

Similarly, the RAV-SM1104UT-E emphasizes versatility and adaptability, adept at handling various climatic conditions. In addition to its robust cooling performance, it supports heating capabilities, making it an excellent choice for year-round use. The unit's quiet operation ensures comfort without the nuisance of disruptive noise, making it ideal for both residential and commercial settings.

The RAV-SP1104ATZ-E and RAV-SP1404ATZ-E models represent the pinnacle of Toshiba's innovation in multi-split systems. Both models utilize advanced refrigerant technology, ensuring rapid cooling and heating while minimizing energy loss. The RAV-SP1104ATZ-E offers a balanced performance with a focus on high efficiency, while the RAV-SP1404ATZ-E provides greater capacity, ideal for larger establishments requiring substantial climate control.

All these units feature Toshiba's cutting-edge technologies, including advanced filtration systems that improve indoor air quality by capturing dust, allergens, and other particulates. The robust design of these models ensures durability and longevity, making them a worthwhile investment for any property owner.

In summary, Toshiba’s RAV-SP1104AT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104ATZ-E, and RAV-SP1404ATZ-E models reflect the brand's commitment to innovation and energy efficiency. These air conditioning solutions cater to a variety of needs while ensuring comfort, reduced environmental impact, and user-friendly operation.