Operation of diagnostic function

 

 

 

 

 

 

 

 

 

Check

 

Status of

 

 

 

code

 

 

 

Judgment and measures

 

Cause of operation

air conditioner

Condition

 

Indoor

 

 

 

 

 

 

 

unit

 

 

 

 

 

 

 

 

 

 

H03

Current detection circuit error

Stop

Displayed when

1. Check outdoor P.C. board.

error is detected

 

(AC current detection circuit)

 

 

 

 

 

 

 

 

 

 

Open phase of 3-phase power supply

 

Displayed when

1. Check open phase of 3-phase power supply.

P05

Stop

2. Black lead wire to be connected to CN03 of outdoor P. C.

error is detected

 

 

 

 

 

 

board does not pass through T611.

 

 

 

 

 

 

 

 

 

 

1.

Check connection of Ps sensor connector.

 

 

 

Displayed when

2.

Check failure of Ps sensor.

F23

Ps sensor error

Stop

3. Check compressing power error of compressor.

error is detected

 

 

 

4.

Check 4-way valve error.

 

 

 

 

 

 

 

 

5.

Check outdoor P.C. board error.

 

 

 

 

 

 

 

 

 

 

1.

Check service valves are fully opened.

 

 

 

 

 

(Gas side, Liquid side)

 

 

 

 

2.

Check clogging of outdoor PMV. (PMV1, 2)

 

 

 

Displayed when

3.

Check SV2 circuit.

H06

Low pressure protective operation

Stop

4. Check Ps sensor error.

error is detected

 

 

 

 

5.

Check clogging of indoor filter.

 

 

 

 

6.

Check clogging of refrigerant pipe.

 

 

 

 

7.

Check of outdoor fan operation. (In heating mode)

 

 

 

 

8.

Check short of refrigerant.

 

 

 

 

 

 

Discharge temp. error

 

Displayed when

1. Check refrigerating cycle (Gas leak)

P03

∗ Discharge temp. (TD) over specified value

Stop

2. Trouble of electronic expansion valve

error is detected

 

was detected.(1.6)

 

3.

Check discharge temp. sensor (TD).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check case thermostat and connector.

 

Case thermostat operation

 

Displayed when

2.

Check gas leak, recharge

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.

 

 

 

 

 

 

 

 

 

 

1.

Check service valves are fully opened.

 

 

 

 

 

(Gas side, Liquid side)

 

 

 

 

2.

Check of outdoor fan operation.

 

 

 

 

3.

Check motor error of outdoor fan.

 

 

 

Displayed when

4.

Check clogging of outdoor PMV. (PMV1, 2)

P04

High pressure SW system error

Stop

5. Check clogging of heat exchanger in indoor/outdoor units.

error is detected

 

 

 

6.

Short-circuit status of suction/discharge air in outdoor unit.

 

 

 

 

 

 

 

 

7.

Check outdoor P.C. board error.

 

 

 

 

8.

Check fan system error (Cause of air volume drop) at

 

 

 

 

 

indoor side.

 

 

 

 

9.

Check PMV opening status in indoor unit.

 

 

 

 

 

P05

Power supply voltage error

Stop

Displayed when

1. Check power supply voltage.

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 temp.

 

 

 

 

 

3.

Check full open of service valve.

 

sensor (TL) detected temperature over

 

 

P20

 

Displayed when

4. Check indoor/outdoor fan.

specified temp.

Stop

 

error is detected

5.

Check PMV (Pulse Motor Valve).

 

• During heating operation, indoor temp.

 

 

 

 

 

 

 

6. Check clogging and short circuit of indoor/outdoor heat

 

sensor (TC, TCJ) detected temperature over

 

 

 

specified temp.

 

 

 

exchanger.

 

 

 

 

7. Overcharge of refrigerant. Recharge

 

 

 

 

 

 

 

 

Displayed when

1. Check lock of fan motor.

P22

Outdoor fan system error

Stop

2. Check power supply voltage between L2 and N.

error is detected

 

 

 

3. Check outdoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

1. When performing operation while taking-off compressor

P26

Short-circuit error of compressor driving

Stop

Displayed when

 

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

 

 

element

error is detected

2. When performing operation while taking-off compressor

 

 

 

 

 

 

 

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

 

 

 

 

 

P29

Position detection circuit error

Stop

Displayed when

1. Check control P.C. board.

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

– 44 –

Page 43 Page 45
Page 44
Image 44
Toshiba RAV-SM1106BT-E, RAV-SM406BT-TR, RAV-SM1406BT-E, RAV-SM1606BT-E Operation of diagnostic function Check Status
Page 43 Page 45

RAV-SM456BT-E, RAV-SM566BT-TR, RAV-SM566BT-E, RAV-SM456BT-TR, RAV-SM806BT-E specifications

Toshiba has long been recognized as a leader in air conditioning technology, and their latest models, including the RAV-SM806BT-E, RAV-SM566BT-TR, RAV-SM1106BT-E, RAV-SM456BT-E, and RAV-SM1406BT-E, are prime examples of innovation in climate control solutions. These models combine energy efficiency, advanced technology, and user-friendly features to meet diverse cooling and heating needs for both residential and commercial spaces.

The RAV-SM806BT-E is notable for its impressive cooling and heating capabilities, making it suitable for larger areas. With a robust cooling capacity of 8.0 kW, this model is equipped with inverter technology, providing variable speed control that optimizes energy consumption while ensuring consistent comfort levels. Its quiet operation makes it ideal for settings where noise control is crucial, such as offices and bedrooms.

Similarly, the RAV-SM566BT-TR offers a balanced solution for medium-sized environments. With a capacity of 5.6 kW, it features advanced air filtration systems that enhance indoor air quality by removing dust, allergens, and pollutants. This model is particularly appreciated in regions with high air pollution levels, providing a healthier living or working environment.

The RAV-SM1106BT-E stands out for its high efficiency and eco-friendly refrigerant use. This model is designed to reduce greenhouse gas emissions while delivering significant cooling output, making it a responsible choice for environmentally conscious consumers. Additionally, Toshiba’s smart temperature control technology allows users to precisely manage their climate settings through a user-friendly remote control or smartphone app, offering convenience and ease of use.

For those looking for a compact yet powerful solution, the RAV-SM456BT-E is designed to fit smaller spaces without sacrificing performance. With a cooling capacity of 4.5 kW, it still utilizes sophisticated inverter technology, ensuring minimal energy loss and optimal heating and cooling efficiency. Its compact design allows for flexible installations in varied spaces.

Lastly, the RAV-SM1406BT-E model emphasizes versatility and performance. With a cooling capacity of 14.0 kW, it is designed for larger commercial spaces, delivering powerful climate control while maintaining energy efficiency. Its advanced multi-zone system allows simultaneous operation across different areas, adapting to the unique requirements of each zone.

In summary, Toshiba's RAV-SM series reflects the company's commitment to innovation, energy efficiency, and user comfort. Each model offers unique features tailored to specific needs, setting new standards in the air conditioning industry. Whether for residential or commercial use, these systems provide reliable performance while promoting sustainable practices.
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