CN333 | Toshiba RAV-SM560BT-E, RAV-SM800AT-E, RAV-SM800UT-E instruction

Models: RAV-SM800BT-E RAV-SM560BT-E RAV-SM560AT-E RAV-SM560UT-E RAV-SM800UT-E RAV-SM800AT-E

[P12 error]/[11 error]

Turn off the power.


Are not there connections errors or		YES
disconnection on connectors CN333 and CN334
of indoor unit P.C. board (MCC-1402)?
	NO
	NO

Remove connectors CN333 and CN334 of indoor unit P.C. board (MCC-1402).

Does the fan rotate without trouble		NO
Does the fan rotate without trouble
when handling the fan with hands?
	YES
	YES

Correct connection of connector.

Replace indoor fan motor.

Are resistance values between phases

at fan motor connector CN333 motor side of indoor P.C. board (MCC-1402) correct? *1

YES

Is resistance value of fan motor connector CN333 at motor side of indoor P.C. board (MCC-1402) correct? *2

YES

Is signal output of indoor fan motor

position detection correct? *3

YES

Check indoor P.C. board (MCC-1402).

Defect Replace

NO Replace indoor fan motor.

• Are not coil windings between 1 (Red lead) and 3 (White lead), between 3 (White lead) and 5 (Black lead), between

5(Black lead) and 1 (Red lead) opened or shorted? For resistance, see the following values. AIU-P401H/HR, P451, P501, P561, P631, P711, P801 Approx. 70 to 100

AIU-P1121H/HR, P1401, P1601 Approx. 35 to 50

•Is not earthed between cabinet and 1, 3, 5 10M or more

NO Replace indoor fan motor.

Check resistance of fan motor position detection circuit.

Is not coil winding between 1 (Yellow lead) and 4 (Pink lead) opened or shorted? Resistance: Approx. 5 to 20k

NO Replace indoor fan motor.

Check fan motor position detection signal.

•Using a tester, measure the voltage between CN334 1 and 5 of indoor P.C. board (MCC-1402) under condition that CN333 and CN334 are mounted and the power is turned on.

Rotate the fan slowly with hands, and check the pin voltage

swings between 0 to 5V voltage.

• Between 4 and	5 : 5V	CN333
		CN333

CN334

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RAV-SM800BT-E, RAV-SM560BT-E, RAV-SM560AT-E, RAV-SM560UT-E, RAV-SM800UT-E specifications

Toshiba offers a range of innovative air conditioning units designed for optimal performance and efficiency, including the RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM560BT-E, and RAV-SM800BT-E models. Each of these units is part of Toshiba's commitment to quality air conditioning solutions that cater to both residential and commercial spaces.

The RAV-SM800UT-E and RAV-SM800AT-E models are notable for their impressive cooling and heating capacities, making them ideal for larger spaces. They feature advanced inverter technology, which adjusts the compressor's speed to maintain a consistent temperature while reducing energy consumption. This not only ensures comfort but also translates into significant energy savings over time.

In terms of design, these models benefit from Toshiba's sleek and modern aesthetics, allowing them to blend seamlessly into various interior styles. The noise levels are remarkably low, thanks to Toshiba's engineering, making these units suitable for use in environments where quiet operation is paramount, such as offices and bedrooms.

The RAV-SM560UT-E and RAV-SM560BT-E models offer similar performance but are tailored for smaller spaces without compromising on efficiency. They include features such as multilayer air filtration systems that effectively remove dust, allergens, and other pollutants, ensuring a healthier indoor air environment. Furthermore, they come equipped with intelligent control options, allowing users to operate the units remotely via smartphone applications.

Another standout characteristic of the RAV-SM800BT-E is its ability to provide both cooling and heating, making it a versatile option throughout the year. These units utilize R32 refrigerant, which has a lower global warming potential compared to traditional refrigerants, aligning with Toshiba's commitment to sustainability.

Each of these models is designed for easy installation and maintenance, featuring a user-friendly interface and robust build quality. The advanced diagnostics feature allows for timely troubleshooting and maintenance, ensuring the longevity of the units.

In summary, Toshiba's RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM560BT-E, and RAV-SM800BT-E models represent a blend of innovative technology, user-centric design, and environmental responsibility. These units not only deliver exceptional climate control but also contribute to reducing energy costs and improving indoor air quality, making them a smart choice for a wide range of applications.