Check Code List

Error mode detected by indoor unit

 

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

 

 

 

Judgment and measures

Check

 

Cause of operation

 

Status of

 

Condition

 

 

 

 

 

 

 

 

 

 

 

code

 

 

air conditioner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No communication from remote

 

Stop

 

Displayed when

1.

Check cables of remote controller and communication adapters.

E03

 

 

 

 

• Remote controller LCD display OFF (Disconnection)

 

controller (including wireless) and

 

 

 

 

 

(Automatic reset)

 

error is detected

 

 

 

communication adapter

 

 

 

• Central remote controller [97] check code

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The serial signal is not output from

 

 

 

 

1.

Outdoor unit does not completely operate.

 

 

outdoor unit to indoor unit.

 

 

 

 

 

• Inter-unit wire check, correction of miswiring

 

 

• Miswiring of inter-unit wire

 

 

 

 

 

 

 

 

Stop

 

Displayed when

 

• Check outdoor P.C. board. Correct wiring of P.C. board.

E04

 

• Defective serial sending circuit on

 

 

 

 

 

(Automatic reset)

 

error is detected

2. When outdoor unit normally operates

 

 

 

 

 

 

outdoor P.C. board

 

 

 

 

 

Check P.C. board (Indoor receiving / Outdoor sending).

 

 

• Defective serial receiving circuit on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

indoor P.C. board

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

 

Duplicated indoor unit address

 

 

 

 

1.

Check whether remote controller connection (Group/Individual)

 

 

 

 

 

 

 

 

was changed or not after power supply turned on

 

 

 

 

 

 

 

 

L03

 

Duplicated indoor header unit

 

 

 

Displayed when

 

(Finish of group construction/Address check).

 

 

 

 

Stop

 

 

* If group construction and address are not normal when the

 

 

 

 

 

 

 

 

There is group wire in individual indoor

 

 

error is detected

 

L07

 

 

 

 

power has been turned on, the mode automatically shifts to

 

 

 

 

 

 

 

 

 

 

 

 

 

unit.

 

 

 

 

 

address setup mode. (Resetting of address)

 

 

 

 

 

 

 

 

 

 

L08

 

Unset indoor group address

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L09

 

Unset indoor capacity

 

Stop

 

Displayed when

1. Set indoor capacity (DN=11)

 

 

 

 

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L30

 

Abnormal input of outside interlock

 

Stop

 

Displayed when

1. Check outside devices.

 

 

 

 

error is detected

2.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Float switch operation

 

 

 

 

1.

Trouble of drain pump

 

P10

 

 

Stop

 

Displayed when

2. Clogging of drain pump

 

 

• Float circuit, Disconnection,

 

 

 

 

 

 

error is detected

3.

Check float switch.

 

 

 

 

 

 

 

 

 

Coming-off, Float switch contact error

 

 

 

 

 

 

 

 

 

 

 

4.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Position detection error

 

P12

 

Indoor DC fan error

 

Stop

 

Displayed when

2. Indoor fan driving part over-current protective circuit operation

 

 

 

error is detected

3.

Indoor fan lock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Indoor P.C. board check

5. Static pressure error set

 

 

 

 

 

 

 

 

 

 

 

 

4-way valve system error

 

 

 

 

1.

Check 4-way valve.

 

 

 

 

Stop

 

Displayed when

2. Check 2-way valve and check valve.

P19

 

• After heating operation has started,

 

 

 

 

(Automatic reset)

 

error is detected

3.

Check indoor heat exchanger (TC/TCJ).

 

 

indoor heat exchangers temp. is

 

 

 

 

 

 

 

 

 

 

down.

 

 

 

 

4.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

Own unit stops while warning is output

 

Stop

 

Displayed when

1.

Judge follower unit while master unit is [E03], [L03], [L07] or [L08].

P31

 

 

(Follower unit)

 

2.

Check indoor P.C. board.

 

 

to other indoor units.

 

 

error is detected

 

 

 

 

(Automatic reset)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F01

 

Coming-off, disconnection or short of

 

Stop

 

Displayed when

1.

Check indoor heat exchanger temp. sensor (TCJ).

 

indoor heat exchanger temp. sensor

 

 

2. Check indoor P.C. board.

 

 

 

(Automatic reset)

 

error is detected

 

 

 

(TCJ)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coming-off, disconnection or short of

 

Stop

 

Displayed when

1.

Check indoor heat exchanger temp. sensor (TC).

F02

 

indoor heat exchanger temp. sensor

 

 

2. Check indoor P.C. board.

 

 

 

(Automatic reset)

 

error is detected

 

 

 

(TC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F10

 

Coming-off, disconnection or short of

 

Stop

 

Displayed when

1.

Check indoor heat exchanger temp. sensor (TA).

 

indoor heat exchanger temp. sensor

 

 

2. Check indoor P.C. board.

 

 

 

(Automatic reset)

 

error is detected

 

 

 

(TA)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F29

 

Indoor EEPROM error

 

Stop

 

Displayed when

1. Check indoor EEPROM. (including socket insertion)

 

• EEPROM access error

 

(Automatic reset)

 

error is detected

2.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Communication error between indoor

 

Stop

 

 

1.

Check indoor P.C. board.

 

E10

 

MCU

 

 

Displayed when

 

 

 

 

• Communication error between fan

 

(Automatic reset)

 

error is detected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

driving MCU and main MCU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Regular communication error between

 

Stop

 

Displayed when

1.

Check remote controller wiring.

 

E18

 

 

 

2.

Check indoor power supply wiring.

 

indoor header and follower units

 

(Automatic reset)

 

error is detected

 

 

 

 

3.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

– 42 –

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Toshiba RAV-SM1606BT-TR, RAV-SM406BT-TR, RAV-SM1406BT-E, RAV-SM1606BT-E Check Code List, Error mode detected by indoor unit
Page 41 Page 43

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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