Error mode detected by indoor unit, 90 | Toshiba RAV-SM1603ATZ-E

Error mode detected by indoor unit

	Operation of diagnostic function
				Judgment and measures
Check	Cause of operation	Status of	Condition	Judgment and measures
Check		Status of
code		air conditioner
code		air conditioner

	No communication from remote	Stop	Displayed when	1. Check cables of remote controller and communication adapters.
	No communication from remote			• Remote controller LCD display OFF (Disconnection)
E03	controller (including wireless) and
E03	controller (including wireless) and	(Automatic reset)	error is detected
	communication adapter	(Automatic reset)	error is detected	• Central remote controller [97] check code
	communication adapter


	The serial signal is not output from			1. Outdoor unit does not completely operate.
	outdoor unit to indoor unit.			• Inter-unit wire check, correction of miswiring
	• Miswiring of inter-unit wire			• Inter-unit wire check, correction of miswiring
	• Miswiring of inter-unit wire	Stop	Displayed when	• Check outdoor P.C. board. Correct wiring of P.C. board.
E04	• Defective serial sending circuit on	Stop	Displayed when	• Check outdoor P.C. board. Correct wiring of P.C. board.
E04		(Automatic reset)	error is detected	2. When outdoor unit normally operates
		(Automatic reset)	error is detected	2. When outdoor unit normally operates
	outdoor P.C. board			Check P.C. board (Indoor receiving / Outdoor sending).
				Check P.C. board (Indoor receiving / Outdoor sending).

•Defective serial receiving circuit on indoor P.C. board

E08	Duplicated indoor unit address			1.	Check whether remote controller connection (Group/Individual)
					was changed or not after power supply turned on
					was changed or not after power supply turned on
L03	Duplicated indoor master unit		Displayed when		(Finish of group construction/Address check).
		Stop			* If group construction and address are not normal when the
					* If group construction and address are not normal when the
L07	There is group wire in individual indoor		error is detected		power has been turned on, the mode automatically shifts to
	There is group wire in individual indoor		error is detected		power has been turned on, the mode automatically shifts to
	unit.				address setup mode. (Resetting of address)
	unit.				address setup mode. (Resetting of address)

L08	Unset indoor group address

L09	Unset indoor capacity	Stop	Displayed when	1. Set indoor capacity (DN=11)
L09	Unset indoor capacity	Stop	error is detected
			error is detected

L30	Abnormal input of outside interlock	Stop	Displayed when	1. Check outside devices.
L30	Abnormal input of outside interlock	Stop	error is detected	2. Check indoor P.C. board.
			error is detected	2. Check indoor P.C. board.

P01	Fan motor thermal protection	Stop	Displayed when	1. Check fan motor thermal relay.
P01	Fan motor thermal protection	Stop	error is detected	2. Check indoor P.C. board.
			error is detected	2. Check indoor P.C. board.

	Float switch operation			1.	Trouble of drain pump
P10	Float switch operation	Stop	Displayed when	2. Clogging of drain pump
	• Float circuit, Disconnection,		Displayed when	2. Clogging of drain pump
			error is detected	3.	Check float switch.
			error is detected
	Coming-off, Float switch contact error
	Coming-off, Float switch contact error			4.	Check indoor P.C. board.
				4.	Check indoor P.C. board.

				1.	Position detection error
P12	Indoor DC fan error	Stop	Displayed when	2. Over-current protective circuit of indoor fan driving unit operated.
P12	Indoor DC fan error	Stop	error is detected	3.	Indoor fan locked.
			error is detected

				4.	Check indoor P.C. board.

	4-way valve system error			1.	Check 4-way valve.
	4-way valve system error	Stop	Displayed when	2. Check 2-way valve and check valve.
P19	• After heating operation has started,	Stop	Displayed when	2. Check 2-way valve and check valve.
P19	• After heating operation has started,	(Automatic reset)	error is detected	3.	Check indoor heat exchanger (TC/TCJ).
	indoor heat exchangers temp. is	(Automatic reset)	error is detected
	indoor heat exchangers temp. is
	down.			4.	Check indoor P.C. board.

P31	Own unit stops while warning is output	Stop	Displayed when	1.	Judge follower unit while master unit is [E03], [L03], [L07] or [L08].
	Own unit stops while warning is output	(Follower unit)	Displayed when	2.	Check indoor P.C. board.
	to other indoor units.	(Follower unit)	error is detected
		(Automatic reset)
		(Automatic reset)

F01	Coming-off, disconnection or short of	Stop	Displayed when	1.	Check indoor heat exchanger temp. sensor (TCJ).
	indoor heat exchanger temp. sensor	Stop	Displayed when	2. Check indoor P.C. board.
	indoor heat exchanger temp. sensor	(Automatic reset)	error is detected
	(TCJ)	(Automatic reset)	error is detected
	(TCJ)

F02	Coming-off, disconnection or short of	Stop	Displayed when	1.	Check indoor heat exchanger temp. sensor (TC).
	indoor heat exchanger temp. sensor	Stop	Displayed when	2. Check indoor P.C. board.
	indoor heat exchanger temp. sensor	(Automatic reset)	error is detected
	(TC)	(Automatic reset)	error is detected
	(TC)

F10	Coming-off, disconnection or short of	Stop	Displayed when	1.	Check indoor heat exchanger temp. sensor (TA).
	indoor heat exchanger temp. sensor	Stop	Displayed when	2. Check indoor P.C. board.
	indoor heat exchanger temp. sensor	(Automatic reset)	error is detected
	(TA)	(Automatic reset)	error is detected
	(TA)

F29	Indoor EEPROM error	Stop	Displayed when	1. Check indoor EEPROM. (including socket insertion)
F29	• EEPROM access error	(Automatic reset)	error is detected	2.	Check indoor P.C. board.
		(Automatic reset)	error is detected


	Communication error between indoor	Stop	Displayed when	1.	Check indoor P.C. board.
E10	MCU	Stop	Displayed when
E10	• Communication error between fan	(Automatic reset)	error is detected
		(Automatic reset)	error is detected

	driving MCU and main MCU

	Regular communication error between	Stop	Displayed when	1.	Check remote controller wiring.
	Regular communication error between
E18	indoor aster and follower units and			2.	Check indoor power supply wiring.
E18	indoor aster and follower units and	(Automatic reset)	error is detected	2.	Check indoor power supply wiring.
	between main and sub units	(Automatic reset)	error is detected	3.	Check indoor P.C. board.
	between main and sub units

Toshiba RAV-SM1603ATZ-E, RAV-SM1603DT-A, RAV-SM1603ATZG-E Error mode detected by indoor unit, 90

Models: RAV-SM1403DT-A RAV-SM1603ATZ-E RAV-SM1603ATZG-E RAV-SM1603DT-A

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