Latest error display, Display selection

9-2-5. Diagnostic Procedure for Each Check Code (Outdoor Unit)

1)This section describes the diagnostic method for each check code displayed on the remote controller.

2)In some cases, a check code indicates multiple symptoms.

In this case, confirm LED display on the outdoor P.C. board to narrow the contents to be confirmed.

3)The check code on the remote controller is displayed only when the same error occurred continuously by multiple times while LED of the outdoor P.C. board displays even an error which occurred once. Therefore the display on the remote controller may differ from that of LED.

LED display on outdoor P.C. board

Dip switch setup

•When turning on 1) only of SW803, the latest error is displayed. As the memory is stored, it can be confirmed even if the power supply is turned off once. (excluding outside temp. sensor (TO) error)

•When the work finished or the outdoor temp. sensor (TO) error was found, turn off all of SW803. (The error which occurs at present is displayed.)

<Latest error display>

Only 1) of SW803 is ON.

		4
		4

		3
ON
		2

		1

<Error display, which occurs at present)

All SW803 are OFF. (Initial status)

		4
		4

		3
ON
		2

		1

Display selection

•When even a LED of D800 to D804 (Yellow)

goes on, error occurrence is indicated. <Display 1>

•If pushing the button switch SW800 for 1 second under the above condition, the yellow LED is displayed with flashing. <Display 2>

•When pushing SW800 for 1 second again, the status returns to <Display 1>.

•The error contents can be confirmed by combining <Display 1> and <Display 2>.

D800 (Yellow)

D801 (Yellow)

D802 (Yellow)

D803 (Yellow)

D804 (Yellow)

D805 (Green)

<Display 1> ó<Display 2>

(No error)	(Error occurred) (Push SW800)
l	¡	l
l	¡	l
l	l	¥
l	l	l
l	¡	l
¡	¡	¡

(Example of discharge temp. sensor error)

l: Go off, ¡ : Go on, ¥ : Flash

Check	Outdoor		Check and troubleshooting
code	LED display	(Item without special mention Indicates part of outdoor unit.)

[E04]	—	[Indoor/Outdoor communication error]
		Is setting of group address		NO
				NO	Check Item code [14].

		of remote controller correct?
		of remote controller correct?
		YES
		YES
		Are inner wiring and		NO
				NO	Correct wiring
					Correct wiring
		inter-unit cables (1, 2, 3) normal?			and inter-unit cable.

		YES
		YES
		Are CN04 connection and		NO
				NO	Correct wiring of connectors
					Correct wiring of connectors
		wiring of terminal blocks (1, 2, 3) normal?			and terminal blocks.

		YES
		YES
				NO

		Does D502 (Orange LED) flash after			Check indoor P.C. board.
		power supply is turned on again?			Defect → Replace

		YES
		YES
					Check outdoor P.C. board.
					Defect → Replace

– 87 –

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.

Toshiba RAV-SP1404ATZ-E Diagnostic Procedure for Each Check Code Outdoor Unit, Display selection

Models: RAV-SP1104ATZG-E RAV-SP1104ATZ-E RAV-SP1404ATZ-E RAV-SM804UT-E RAV-SP1404AT-E RAV-SP1404ATZG-E RAV-SP1104AT-E RAV-SM1104UT-E RAV-SM1404UT-E