Toshiba MMU-AP0091H 135, Sub-code C, Sub-code D, Sub-code E, Detected Check code name Status

135

			Check code
					Detected	Check code name	Status		Error detection condition	Check item (position)
Main	Outdoor 7-segment display			AI-NET
					position
remote				central control
controller	Check code		Sub-code	remote controller
P22	P22	0:	IGBT shortage	1A	FAN-IPDU	Outdoor fan IPDU	All stop		(Sub-code: 0)	• Check fan motor. (Interphase short-circuit)
		1:	Position detection			error			• Short-circuit current was detected at start	• Check fan IPDU error.
			circuit error						time.
		3:	Motor lock error						• Short-circuit current was detected when
		4:	Motor current error						checking IGBT short-circuit before start time.
			detection
							All stop		(Sub-code: 1)	• Check fan IPDU error.
		C:	TH sensor temp.
			error						• The standard value of detection circuit of fan
		D:	TH sensor error						IPDU current fluctuated at start time.
		E:	Vdc error
							All stop		(Sub-code: 3)	• Check fan motor. (Lock, phase missing)
									• Abnormal current was detected within 30	• Check cause of abnormal overload at start time.
									seconds after start time.	• Check connection of connector to fan motor.
							All stop		(Sub-code: 4)	• Check power supply voltage.
									• Short-circuit current was detected when 2	• Check fan IPDU error.
									seconds or more passed after start time.
									• Over-current was detected when 30 seconds
									or more passed after start time.
							All stop		(Sub-code: C)	• Check outdoor fan system.
									• Heat sink sensor (TH) of fan IPDU detected	• Check fan IPDU error.
									95°C error.	• Check fixation between fan IPDU and heat sink.
							All stop		(Sub-code: D)	• Check fan IPDU error.
									• Heat sink sensor (TH) of fan IPDU detected
									short-circuiting or open.
							All stop		(Sub-code: E)	• Check input power supply voltage of the fan IPDU.
									• Input power supply voltage of the fan IPDU	• Check power supply P.C. board error of the fan IPDU.
									over the setup value was detected.	• Check error of external electrolytic condenser.
									• Input power supply terminal of the fan IPDU
									was unconnected.
									• Power supply P.C. board error of the fan IPDU
P26	P26	01: Compressor 1 side		14	IPDU	G-Tr short-circuit	All stop		Instantaneous over-current was detected when	• Check connector connection and wiring on IPDU P.C. board.
		02: Compressor 2 side				protection error			compressor started.	• Check compressor error and defect of compressor coil.
										• Check outdoor P.C. board (IPDU) error.
P29	P29	01: Compressor 1 side		16	IPDU	Compressor	All stop		Position detected was not normal.	• Check connector connection and wiring.
		02: Compressor 2 side				position detection				• Check compressor error and defect of compressor coil.
						circuit error				• Check P.C. board (IPDU) error.
P31	—		—	47	Indoor	Other indoor error	Corresponding		E07/L07/L03/L08 was detected when other	• Check indoor P.C. board.
						(Group follower unit	unit only stops.	indoor unit in the group was defective.
						error)