Toshiba RAV-SM1104BT-TR, RAV-SM454MUT-E, RAV-SM404MUT-TR, RAV-SM1404BT-E Check Code List Indoor

6-2. Check Code List (Indoor)

(Indoor unit detected)

	Check code indication				Air conditioner operation
		Representative defective position		Explanation of error contents
	TCC-LINK central &				Automatic	Operation
	Remote controller				reset	continuation
	E03	Regular communication error between indoor and remote controller		No communication from remote controller and network adapter	¡	×
				(Also no communication from central control system)
	E04	Indoor/Outdoor serial error		There is error on serial communication between indoor and outdoor units	¡	×
	E08	Duplicated indoor addresses	²	Same address as yours was detected.	¡	×
	E10	Communication error between indoor MCU		MCU communication error between main motor and micro computer	¡	×
	E18	Regular communication error between indoor master and follower units		Regular communication between indoor master and follower units is impossible.	¡	×
	F01	Indoor unit, Heat exchanger (TCJ) error		Open/short was detected on heat exchanger (TCJ).	¡	×
	F02	Indoor unit, Heat exchanger (TC) error		Open/short was detected on heat exchanger (TC).	¡	×
	F10	Indoor unit, Room temp. sensor (TA) error		Open/short was detected on room temp. sensor (TA).	¡	×
	F29	Indoor unit, other indoor P.C. board error		EEPROM error (Other error may be detected. If no error, automatic address is repeated.	×	×
	L03	Duplicated setting of indoor group master unit	²	There are multiple master units in a group.	×	×
	L07	There is group cable in individual indoor unit.	²	When even one group connection indoor unit exists in individual indoor unit.	×	×
	L08	Unset indoor group address	²	Indoor group address is unset.	×	×
	L09	Unset indoor capacity		Capacity of indoor unit is unset.	×	×
	L20	Duplicated central control system address		Duplicated setting of central control system address	¡	×
	L30	Outside error input to indoor unit (Interlock)		Abnormal stop by outside error (CN80) input	×	×
	P01	Indoor unit, AC fan error		An error of indoor AC fan was detected. (Fan motor thermal relay worked.)	×	×
–	P10	Indoor unit, overflow detection		Float switch worked.	×	×
47 –	P12	Indoor unit, DC fan error		Indoor DC fan error (Over-current/Lock, etc.) was detected.	×	×
	P19	4-way valve system error		In heating operation, an error was detected by temp. down of indoor heat exchanger sensor.	¡	×
	P31	Other indoor unit error		Follower unit in group cannot operate by warning from [E03/L03/L07/L08] of master unit.	¡	×

²When this warning was detected before group construction/address check finish at power supply was turned on, the mode shifts automatically to AUTO address setup mode.

(Remote controller detected)

Check code indication
	Representative defective position	Explanation of error contents
Remote controller
E01	No master remote controller, Remote controller communication (Receive) error	Signal cannot be received from indoor unit. Master remote controller was not set. (including 2 remote controllers)
E02	Remote controller communication (Send) error	Signal cannot be sent to indoor unit.
E09	Duplicated master remote controller	In 2-remote controller control, both were set as master.
		(Indoor master unit stops warning and follower unit continues operation.)

Air conditioner operation

Automatic	Operation
reset	continuation
—	—
—	—

×

(Central control devices detected)

Check code indication			Air conditioner operation
	Representative defective position	Explanation of error contents
TCC-LINK central			Automatic	Operation
			reset	continuation
C05	Central control system communication (send) error	Signal sending operation of central control system is impossible. There are multiple same central devices. (AI-NET)	—	—
C06	Central control system communication (receive) error	Signal receiving operation of central control system is impossible.	—	—
C12	General-purpose device control interface batched warning	An error on device connected to general-purpose device control interface of exclusive to TCC-LINK/AI-NET	—	—
P30	Group follower unit is defective.	Group follower unit is defective. (For remote controller, above-mentioned [∗∗∗] details are displayed with unit No.)	—	—

NOTE: Even for the same contents of error such as communication error, the display of check code may differ according to detection device.

When remote controller or central controller detects an error, it is not necessarily related to operation of the air conditioner. In this list, the check codes that outdoor unit detects are not described.