Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

Check code

 

 

 

 

 

 

 

 

 

 

 

Judgment and measures

Indoor unit

Cause of operation

Status of

Condition

 

 

 

 

 

air conditioner

 

 

before

after

 

 

 

 

 

 

 

 

 

3 series

4 series

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Discharge temp. error

 

Displayed when

1.

Check refrigerating cycle (Gas leak)

P03

P03

∗ Discharge temp. (TD) over specified

Stop

2.

Trouble of electronic expansion valve

error is detected

 

 

value was detected.

 

3.

Check discharge temp. sensor (TD).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check case thermostat and connector.

 

 

Case thermostat operation

 

Displayed when

2.

Check gas leak, recharge

P04

H04

Stop

3.

Check full open of service valve.

∗ Abnormal overheat of compressor

error is detected

 

 

 

4.

Check PMV (Pulse Motor Valve).

 

 

 

 

 

 

 

 

 

 

5.

Check broken pipe.

 

 

 

 

 

 

 

P05

Power supply voltage error

Stop

Displayed when

1. Check power supply voltage. AC198 to 264V

 

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High pressure protective operation

 

 

1.

Check outdoor heat exchanger sensor (TL).

 

 

 

 

2.

Check indoor heat exchanger sensor (TC, TCJ).

 

 

• During cooling operation, outdoor

 

 

 

 

 

 

3.

Check full open of service valve.

 

 

temp. sensor (TL) detected

 

 

 

P20

Stop

Displayed when

4. Check indoor/outdoor fan.

 

temperature over specified temp.

 

 

• During heating operation, indoor

 

error is detected

5.

Check PMV (Pulse Motor Valve).

 

 

 

 

 

 

temp. sensor (TC, TCJ) detected

 

 

6.

Check clogging and short circuit of indoor/outdoor heat

 

 

temperature over specified temp.

 

 

 

exchanger.

 

 

 

 

 

7.

Overcharge of refrigerant. Recharge

 

 

 

 

 

 

 

 

 

 

 

Displayed when

1.

Check lock of fan motor.

P22

P22

Outdoor fan system error

Stop

2.

Check power supply voltage. AC198 to 264V

error is detected

 

 

 

 

3.

Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

When performing operation while taking-off compressor

P26

P26

Short-circuit error of compressor

Stop

Displayed when

 

wire, P26 error occurs. Check control P.C. board.

 

2. When performing operation while taking-off compressor

 

 

driving element

 

error is detected

 

 

 

 

 

 

wire, an error does not occur. (Compressor rare short)

 

 

 

 

 

 

P29

P29

Position detection circuit error

Stop

Displayed when

1. Check control P.C. board.

 

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 77 –

Page 76 Page 78
Page 77
Image 77
Toshiba RAV-SM804UT-E, RAV-SM1404UT-E, RAV-SM1104UT-E, RAV-SP1104AT-E, RAV-SP1404ATZG-E Operation of diagnostic function
Page 76 Page 78

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.
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