Check code, Outdoor 7-segment display, E01

7-4. Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit (7-Segment Display of Interface)

Check code

Main	Outdoor 7-segment display
remote
remote
controller	Check code	Auxiliary code

E01	—	—

E02	—	—

E03	—	—

E04	—	—

E06	E06	No. of indoor units which
		received signal normally

—	E07	—

E08	E08	Duplicated indoor
		addresses

E09	—	—

E10

—

Detected	Check code name	Status	Error detection condition	Check item (position)
position	Check code name	Status	Error detection condition	Check item (position)
position
Remote	Communication error between	Corresponding	Communication interrupted between	• Check remote controller inter-unit cable (A/B).
controller	indoor and remote controller	unit only stops.	indoor P.C. board and remote	• Check disconnection, connector contact error.
	(Detected at remote controller side)		controller.	• Check disconnection, connector contact error.
	(Detected at remote controller side)		controller.	• Check indoor power supply.
				• Check indoor power supply.
				• Check indoor P.C. board error.
				• Check remote controller address setup.
				(When two remote controllers operate)
				• Check remote controller P.C. board.

Remote	Remote controller sending error	Corresponding	Signal could not be sent from remote	• Check the communication wire of remote controller:
controller		unit only stops.	controller to indoor unit.	Exchange remote controller.

Indoor unit	Communication error between	Corresponding	No communication from remote	• Check remote controller and communication adapter wiring.
	indoor and remote controller	unit only stops.	controller (including wireless) and
	(Detected at indoor side)		communication adapter.

Indoor unit	Indoor/outdoor communication	Corresponding	Indoor unit does not receive	• Check power-ON order of indoor/outdoor.
	circuit error	unit only stops.	communication from outdoor unit.	• Check indoor address setup.
	(Detected at indoor side)			• Check indoor address setup.
	(Detected at indoor side)			• Check inter-unit cabling between indoor and outdoor.
				• Check inter-unit cabling between indoor and outdoor.
				• Check outdoor end terminal resistance setup (SW30-2).

I/F	Decreased number of indoor units	All stop	When signal is not sent for a certain	• Check the power supply of indoor unit. (Power-ON)
			period from the indoor unit which has	• Check connection of communication line between indoor and outdoor.
			been used to send signals, [E06] is	• Check connector connection for communication in indoor P.C. board.
			normally displayed.
			normally displayed.
				• Check connector connection for communication in outdoor P.C. board.
				• Check indoor P.C. board failure.
				• Check outdoor P.C. board (I/F) failure.

I/F	Indoor/outdoor communication	All stop	Transmission from outdoor to indoor	• Check outdoor terminator resistor setup (SW30-2).
	circuit error		cannot continue for 30 seconds.	• Check the communication connection between indoor and outdoor.
	(Detected at outdoor side)
	(Detected at outdoor side)

Indoor	Duplicated indoor addresses	All stop	Multiple indoor unit address setup	• Check indoor address.
I/F			are duplicated.	• Check the change of remote controller connection (Group / individual)

				after setup of indoor address.

Remote	Duplicated master remote	Corresponding	In 2-remote controller control	• Check remote controller setup.
controller	controllers	unit only stops.	(including wireless), both are setup	• Check remote controller P.C. board.
			as master	• Check remote controller P.C. board.
			as master
			(Header indoor unit stops and other
			indoor unit is operating.)

Indoor unit	Communication error between	Corresponding	There is any trouble in power line.	• Indoor P.C. board failure
	indoor P.C. board assembly	unit only stops.

MMU-AP0181MH, MMU-AP0071MH, MMU-AP0091MH, MMU-AP0151MH, MMU-AP0121MH specifications

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Toshiba MMU-AP0151MH Outdoor 7-segment display, Check code Auxiliary code, Remote, E01

Models: MMU-AP0181MH MMU-AP0071MH MMU-AP0091MH MMU-AP0151MH MMU-AP0121MH

Check code

Outdoor 7-segment display

remote

Check code

Auxiliary code

E01

• Check the power supply of indoor unit. (Power-ON)

indoor P.C. board assembly

MMU-AP0181MH, MMU-AP0071MH, MMU-AP0091MH, MMU-AP0151MH, MMU-AP0121MH specifications