Toshiba RAV-SM2242DT-E Concealed Duct High Static Pressure, Installation Manual, 40-EN, status

Concealed Duct High Static Pressure			Installation Manual
Wired remote
controller	Main defective parts	Judging device	Parts to be checked / error description	Air conditioner
display
				status
Indication
		Network	Address setting, central control remote controller, network adapter ---
L20	LAN communication error	adapter central		Auto-reset
			Duplication of address in central control communication
		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
				Operation
L31	Phase sequence error, etc.	Outdoor	Power supply phase sequence, outdoor unit P.C. board --- Abnormal	continued
			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 (fan motor	Entire stop
			thermal relay activated) was detected.
P03	Outdoor unit discharge temp.	Outdoor	An error was detected in the discharge temp. releasing control.	Entire stop
	error
P04	Outdoor unit high-pressure	Outdoor	High-pressure switch --- The IOL was activated or an error was	Entire stop
	system error		detected in the high-pressure releasing control using the TE.
P05	Open phase detected	Outdoor	The power supply wire may be connected incorrectly. Check open	Entire stop
			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. Check for	Entire stop	EN
			gas leakage.
P19	4-way valve error	Outdoor	4-way valve, indoor temp. sensors (TC/TCJ) --- An error was detected	Auto-reset
		(Indoor)	due to temperature drop of the indoor unit heat exchanger sensor	(Auto-reset)
			when heating.
P20	High-pressure protective	Outdoor	High-pressure protection	Entire stop
	operation
			Outdoor unit fan motor, outdoor unit P.C. board --- An error
P22	Outdoor unit fan error	Outdoor	(overcurrent, locking, etc.) was detected in the outdoor unit fan drive	Entire stop
			circuit.
	Outdoor unit inverter Idc		IGBT, outdoor unit P.C. board, inverter wiring, compressor --- Short-
P26		Outdoor	circuit protection for compressor drive circuit devices (G-Tr/IGBT) was	Entire stop
	activated
			activated.
P29	Outdoor unit position error	Outdoor	Outdoor unit P.C. board, high-pressure switch --- Compressor motor	Entire stop
			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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