Toshiba RAV-SP1102UT-E, RAV-SM1102CT-E, RAV-SM1102BT-E, RAV-SM1403UT-E, RAV-SM1402CT-E, RAV-SM1103UT-E

									¥: Flash, ¡: Go on, l: Go off
	Wireless sensor			Wired remote	Diagnostic function
	lamp display			controller					Judgment and measures
					Cause of operation	Status of air	Condition
	Operation	Timer	Ready	Check code		conditioner
	¥	l	¥	L09	Unset indoor capacity	Stop	Displayed when	1.	Set the indoor capacity. (DN=I1)
							error is detected
					Outdoor unit and other errors	Stop	Displayed when	1.	Check cables of CDB and IPDU.
	l	¥	l	L29	• Communication error between CDB and IPDU		error is detected	2.	Abnormal overload operation of refrigerating cycle
					(Coming-off of connector)
					• Heat sink temperature error
					(Detection of temperature over specified value)
	¥	¡	¥	L30	Abnormal outside interlock input	Stop	Displayed when	1.	Check outside devices.
							error is detected	2.	Check indoor P.C. board.
	¥	¡	¥	L31	Phase detection protective circuit operates. (Normal models)	Operation continues.	Displayed when	1.	Check power phase order (Reversed phase)/phase missing.
						(Compressor stops.)	error is detected	2.	Check outdoor P.C. board.
	No check code is displayed.				Fan motor thermal protection	Stop	Displayed when	1.	Check thermal relay of fan motor.
							error is detected	2.	Check indoor P.C. board.
	¥	l	¥		Discharge temperature error	Stop	Displayed when	1.	Check refrigerating cycle. (Gas leak)
				P03	• Discharge temperature over specified value was detected.		error is detected	2.	Trouble of PMV
								3.	Check Td sensor.
	¥	l	¥		High-pressure protection error by TE sensor	Stop	Displayed when	1.	Overload operation of refrigerating cycle
				P04	(Temperature over specified value was detected.)		error is detected	2.	Check outdoor temperature sensor (TE).
								3.	Check outdoor CDB P.C. board.
					Float switch operation	Stop	Displayed when	1.	Defect of drain pump
	l	¥	¥	P10	• Disconnection, coming-off, defective float switch contactor of float		error is detected	2.	Clogging of drain pump
–					circuit			3.	Check float switch.
								4.	Check indoor P.C. board.
83
					Indoor DC fan error	Stop	Displayed when	1.	Defective detection of position
–
	l	¥	¥	P12			error is detected	2.	Over-current protective circuit of indoor fan driving unit operates.
								3.	Lock of indoor fan
								4.	Check indoor P.C. board.
	¥	l	¥		Error in 4-way valve system	Stop	Displayed when	1.	Check 4-way valve.
				P19	• Indoor heat exchanger temperature lowered after start of heating	(Automatic reset)	error is detected	2.	Check indoor heat exchanger (TC/TCJ) sensor.
					operation.			3.	Check indoor P.C. board.
					Outdoor DC fan error	Stop	Displayed when	1.	Defective detection of position
	¥	l	¥	P22			error is detected	2.	Over-current protective circuit of outdoor fan driving unit operates.
								3.	Lock of outdoor fan
								4.	Check outdoor CDB P.C. board.
	¥	l	¥	P26	Inverter over-current protective circuit operates. (For a short time)	Stop	Displayed when	1.	Inverter immediately stops even if restarted. : Compressor motor rare short
					Short voltage of main circuit operates.		error is detected	2.	Check IPDU. : Cabling error
	¥	l	¥	P29	IPDU position detection circuit error	Stop	Displayed when	1.	Position detection circuit operates even if operating compressor by
							error is detected		removing 3P connector. : Replace IPDU.
	¥	l	¥	P31	Own unit stops while warning is output to other indoor units.	Stop (Sub unit)	Displayed when	1.	Judge sub unit while master unit is in [E03], [L03], [L07], [L08].
						(Automatic reset)	error is detected	2.	Check indoor P.C. board.

For an error mode detected in outdoor unit, the fan operates because sub unit of a group operation does not communicate with the outdoor unit.