Toshiba MMU-AP0091H 124, Check code name, Error detection condition Check item position

124

9-4. Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit (7-Segment Display of Interface)

	Check code
				Detected	Check code name	Status	Error detection condition	Check item (position)
Main	Outdoor 7-segment display		AI-NET
				position
remote			central control
controller	Check code	Sub-code	remote controller
E01	—	—	—	Remote	Communication error between	Corresponding	Communication interrupted	• Check remote controller inter-unit cable (A/B).
				controller	indoor and remote controller	unit only stops.	between indoor P.C. board	• Check disconnection, connector contact error.
					(Detected at remote controller side)		and remote controller.	• 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.
E02	—	—	—	Remote	Remote controller sending error	Corresponding	Signal could not be sent from	• Check the communication wire of remote controller: Exchange remote
				controller		unit only stops.	remote controller to indoor	controller.
							unit.
E03	—	—	97	Indoor unit	Communication error between	Corresponding	No communication from	• Check remote controller and communication adapter wiring.
					indoor and remote controller	unit only stops.	remote controller (including
					(Detected at indoor side)		wireless) and communication
							adapter.
E04	—	—	4	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	• Check indoor address setup.
					(Detected at indoor side)		unit.	• Check inter-unit cabling between indoor and outdoor.
								• Check outdoor end terminal resistance setup (SW30-2).
E06	E06	No. of indoor	4	I/F	Decreased number of indoor units	All stop	When signal is not sent for a	• Check the power supply of indoor unit. (Power-ON)
		units which					certain period from the indoor	• Check connection of communication line between indoor and outdoor.
		received signal					unit which has been used to	• Check connector connection for communication in indoor P.C. board.
		normally					send signals, [E06] is
								• Check connector connection for communication in outdoor P.C. board.
							normally displayed.
								• Check indoor P.C. board failure.
								• Check outdoor P.C. board (I/F) failure.
—	E07	—	—	I/F	Indoor/outdoor communication	All stop	Transmission from outdoor to	• Check outdoor terminator resistor setup (SW30-2).
					circuit error		indoor cannot continue for 30	• Check the communication connection between indoor and outdoor.
					(Detected at outdoor side)		seconds.
E08	E08	Duplicated	96	Indoor	Duplicated indoor addresses	All stop	Multiple indoor unit address	• Check indoor address.
		indoor		I/F			setup are duplicated.	• Check the change of remote controller connection (Group / individual)
		addresses						after setup of indoor address.
E09	—	—	99	Remote	Duplicated master remote	Corresponding	In 2-remote controller control	• Check remote controller setup.
				controller	controllers	unit only stops.	(including wireless), both are	• Check remote controller P.C. board.
							setup as master
							(Header indoor unit stops and
							other indoor unit is operating.)
E10	—	—	CF	Indoor unit	Communication error between	Corresponding	There is any trouble in power	• Indoor P.C. board failure
					indoor P.C. board assembly	unit only stops.	line.