Toshiba RAV-SM2802DT-TR nError codes and parts to be checked, Concealed Duct High Static Pressure

Concealed Duct High Static Pressure Installation Manual

nError codes and parts to be checked

	Wired remote				Air
	controller	Main defective parts	Judging	Parts to be checked / error description
	display				conditioner
			device
					status
	Indication
		No header remote controller	Remote	Incorrect remote controller setting – The header remote controller
	E01			has not been set (including two remote controllers).	∗
			controller
		Remote controller communication error		No signal can be received from the indoor unit.
	E02	Remote controller transmission error	Remote	System interconnecting wires, indoor P.C. board, remote controller –	∗
			controller	No signal can be sent to the indoor unit.
	E03	Indoor unit-remote controller regular	Indoor	Remote controller, network adapter, indoor P.C. board – No data is	Auto-reset
		communication error		received from the remote controller or network adapter.
		Indoor unit-outdoor unit serial		System interconnecting wires, indoor P.C. board, outdoor P.C. board.
	E04	communication error	Indoor		Auto-reset
				– Serial communication error between indoor unit and outdoor unit
		IPDU-CDB communication error
	E08	Duplicated indoor addresses «	Indoor	Indoor address setting error –	Auto-reset
				The same address as the self-address was detected.
				Remote controller address setting error – Two remote controllers are
	E09	Duplicated header remote controllers	Remote	set as header in the double-remote controller control.	∗
			controller	(∗ The header indoor unit stops raising alarm and follower indoor
				units continue to operate.)
	E10	CPU-CPU communication error	Indoor	Indoor P.C. board – Communication error between main MCU and	Auto-reset
				motor microcomputer MCU
		Header indoor unit-indoor follower unit		Indoor P.C. board –
–	E18		Indoor	Regular communication is not possible between header and follower	Auto-reset
		regular communication error
				indoor units or between twin header (main) and follower (sub) units.
101
	E31	IPDU communication error	Outdoor	Communication error between IPDU and CDB	Entire stop
	F01	Indoor unit heat exchanger sensor	Indoor	Heat exchanger sensor (TCJ), indoor P.C. board – Open-circuit or	Auto-reset
–		(TCJ) error		short-circuit of the heat exchanger sensor (TCJ) was detected.
	F02	Indoor unit heat exchanger sensor (TC)	Indoor	Heat exchanger sensor (TC), indoor P.C. board – Open-circuit or	Auto-reset
		error		short-circuit of the heat exchanger sensor (TC) was detected.
	F04	Outdoor unit discharge temp. sensor	Outdoor	Outdoor temp. sensor (TD), outdoor P.C. board – Open-circuit or	Entire stop
		(TD) error		short-circuit of the discharge temp. sensor was detected.
	F06	Outdoor unit temp. sensor (TE/TS)	Outdoor	Outdoor temp. sensors (TE/TS), outdoor P.C. board – Open-circuit or	Entire stop
		error		short-circuit of the heat exchanger temp. sensor was detected.
	F07	TL sensor error	Outdoor	TL sensor may be displaced, disconnected or short-circuited.	Entire stop
	F08	Outdoor unit outside air temp. sensor	Outdoor	Outdoor temp. sensor (TO), outdoor P.C. board – Open-circuit or	Operation
		error		short-circuit of the outdoor air temp. sensor was detected.	continued
	F10	Indoor unit room temp. sensor (TA)	Indoor	Room temp. sensor (TA), indoor P.C. board – Open-circuit or short-	Auto-reset
		error		circuit of the room temp. sensor (TA) was detected.
	F12	TS (1) sensor error	Outdoor	TS (1) sensor may be displaced, disconnected or short-circuited.	Entire stop
	F13	Heat sink sensor error	Outdoor	Abnormal temperature was detected by the temp. sensor of the IGBT	Entire stop
				heat sink.
	F15	Temp. sensor connection error	Outdoor	Temp. sensor (TE/TS) may be connected incorrectly.	Entire stop
	F29	Indoor unit, other P.C. board error	Indoor	Indoor P.C. board – EEPROM error	Auto-reset
	F31	Outdoor unit P.C. board	Outdoor	Outdoor P.C. board – In the case of EEPROM error.	Entire stop
				Current detect circuit, power voltage –
	H01	Outdoor unit compressor breakdown	Outdoor	Minimum frequency was reached in the current releasing control or	Entire stop
				short-circuit current (Idc) after direct excitation was detected
	H02	Outdoor unit compressor lock	Outdoor	Compressor circuit – Compressor lock was detected.	Entire stop
	H03	Outdoor unit current detect circuit error	Outdoor	Current detect circuit, outdoor unit P.C. board – Abnormal current	Entire stop
				was detected in AC-CT or a phase loss was detected.
	H04	Case thermostat operation (1)	Outdoor	Malfunction of the case thermostat.	Entire stop
				Current, high-pressure switch circuit, outdoor P.C. board –
	H06	Outdoor unit low-pressure system error	Outdoor	Ps pressure sensor error was detected or low-pressure protective	Entire stop
				operation was activated.

Concealed Duct High Static Pressure Installation Manual

Wired remote				Air
controller	Main defective parts	Judging	Parts to be checked / error description
display				conditioner
		device
				status
Indication
L03	Duplicated header indoor units «	Indoor	Indoor address setting error –	Entire stop
			There are two or more header units in the group.
L07	Group line in individual indoor unit	Indoor	Indoor address setting error – There is at least one group-connected	Entire stop
	«		indoor unit among individual indoor units.
L08	Indoor group address not set «	Indoor	Indoor address setting error – Indoor address group has not been set.	Entire stop
L09	Indoor power level not set	Indoor	Indoor power level has not been set.	Entire stop
L10	Outdoor unit P.C. board	Outdoor	In the case of outdoor P.C. board jumper wire (for service) setting error.	Entire stop
		Network	Address setting, central control remote controller, network adapter
L20	LAN communication error	adapter	– Duplication of address in central control communication.	Auto-reset
		central control
			Other outdoor unit error Entire stop
L29	Other outdoor unit error	Outdoor	1) Communication error between IPDU MCU and CDB MCU	Entire stop
			2) Abnormal temperature was detected by the heat sink temp.
			sensor in IGBT.
L30	Abnormal external input into	Indoor	External devices, outdoor unit P.C. board – Abnormal stop due to	Entire stop
	indoor unit (interlock)		incorrect external input into CN80
			Power supply phase sequence, outdoor unit P.C. board	Operation
L31	Phase sequence error, etc.	Outdoor		continued
			– Abnormal phase sequence of the 3-phase power supply	(thermostat
				OFF)
P01	Indoor unit fan error	Indoor	Indoor fan motor, indoor P.C. board – Indoor AC fan error	Entire stop
			(fan motor thermal relay activated) was detected.
P03	Outdoor unit discharge temp. error	Outdoor	An error was detected in the discharge temp. releasing control.	Entire stop
P04	Outdoor unit high-pressure system	Outdoor	High-pressure switch – The IOL was activated or an error was	Entire stop
	error		detected in the high-pressure releasing control using the TE.
P05	Open phase detected	Outdoor	The power supply wire may be connected incorrectly.	Entire stop
			Check open phase and voltages of the power supply.
P07	Heat sink overheat	Outdoor	Abnormal temperature was detected by the temp. sensor of the IGBT	Entire stop
			heat sink.
P10	Indoor unit water overflow	Indoor	Drain pipe, clogging of drainage, float switch circuit, indoor P.C. board	Entire stop
	detected		– Drainage is out of order or the float switch was activated.
P15	Gas leakage detected	Outdoor	There may be gas leakage from the pipe or connecting part.	Entire stop
			Check for gas leakage.
		Outdoor	4-way valve, indoor temp. sensors (TC/TCJ)	Auto-reset
P19	4-way valve error		– An error was detected due to temperature drop of the indoor unit
		(Indoor)		(Auto-reset)
			heat exchanger sensor when heating.
P20	High-pressure protective operation	Outdoor	High-pressure protection	Entire stop
P22	Outdoor unit fan error	Outdoor	Outdoor unit fan motor, outdoor unit P.C. board – An error (overcurrent,	Entire stop
			locking, etc.) was detected in the outdoor unit fan drive circuit.
			IGBT, outdoor unit P.C. board, inverter wiring, compressor
P26	Outdoor unit inverter Idc activated	Outdoor	– Short-circuit protection for compressor drive circuit devices	Entire stop
			(G-Tr/IGBT) was activated.
P29	Outdoor unit position error	Outdoor	Outdoor unit P.C. board, high-pressure switch	Entire stop
			– Compressor motor position error was detected.
P31	Other indoor unit error	Indoor	Another indoor unit in the group is raising an alarm.	Entire stop
			E03/L07/L03/L08 alarm check locations and error description	Auto-reset

«: The air conditioner automatically enters the auto-address setting mode.

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