[E03 error] (Master indoor unit)

[E03 error] is detected when the indoor unit cannot receive a signal from the wired remote controller (also central controller).

Check A and B remote controllers and communication lines of the central control system U3 and U4.

As communication is impossible, this check code [E03] is not displayed on the wired remote controller and the central controller.

[E01] is displayed on the wired remote controller and [C06 error] is displayed on the central controller. If these check codes generate during operation, the air conditioner stops.

[F29 error]

This check code indicates a detection error of IC503 non-volatile memory (EEPROM) on the indoor unit P.C. board, which generated during operation of the air conditioner. Replace the service P.C. board.

∗When EEPROM was not inserted when power supply turned on or when the EEPROM data read/write operation is impossible at all, the automatic address mode is repeated. In this time, [97 error] is displayed on the central controller.

 

(Approx.

(Approx.

 

 

 

 

 

3 minutes)

1 minute)

 

 

 

 

 

(Power ON)

 

 

[SET] is displayed on

 

 

 

[SETTING]

 

LED (D501) on indoor unit

 

Reboot

 

 

 

 

 

 

P.C. board flashes with

 

 

 

wired remote controller.

goes off.

 

 

(Reset)

 

 

 

 

1Hz for approx. 10 seconds.

 

 

 

 

 

 

 

 

 

 

 

 

(Repetition)

[P31 error] (Follower indoor unit)

When the master unit of a group operation detected [E03], [L03], [L07] or [L08] error, the follower unit of the group operation detects [P31 error] and then the unit stops.

There is no display of the check code or alarm history of the wired remote controller. (In this model, the mode enters in automatic address set mode when the header unit detected [L03], [L07] or [L08] error.)

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Toshiba RAV-SM1606BT-TR, RAV-SM406BT-TR E03 error Master indoor unit, F29 error, P31 error Follower indoor unit
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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.

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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.

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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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