Schneider Electric Understanding Drive Fault Codes: Altivar 61 & 71 Error Codes Explained

Fault parameters

Code			Description
((LFT),	35:		Reserved
continued)	36:		Reserved
	37: [Internal - hard init.]	(InF7)	Initialization of the drive is incomplete
	38: [External fault com.]	(EPF2)	Fault triggered by a communication network
	39: [Application fault]	(APF)	"Controller Inside" card fault
	40: [Internal-ctrl supply]	(InF8)	The control supply is not correct
	41:		Reserved
	42: [PowerSuite com.]	(SLF2)	Fault communicating with PowerSuite
	43:		Reserved
	44: [Torque/current lim]	(SSF)	Switch to torque limitation
	45: [HMI com.]	(SLF3)	Fault communicating with the graphic display terminal
	46: [Power removal]	(PrF)	Fault with the drive’s "Power removal" safety function
	47: [PTC2 probe]	(PtF2)	PTC2 probes open or short-circuited
	48: [PTC2 overheat]	(OtF2)	Overheating of the PTC2 probes detected
	49: [LI6=PTC probe]	(PtFL)	PTC probes on input LI6 open or short-circuited
	50: [LI6=PTC overheat]	(OtFL)	Overheating of PTC probes detected on input LI6
	51: [Internal- I measure]	(InF9)	The current measurements are not correct
	52: [Internal-mains circuit](InFA)		The input stage is not operating correctly
	53: [Internal-th. sensor]	(InFb)	The drive temperature sensor is not operating correctly
	54: [IGBT overheat]	(tJF)	Drive overheated
	55: [IGBT short circuit]	(SCF4)	Power component fault
	56: [Motor short circuit]	(SCF5)	Short-circuit at the drive output
	57:		Reserved

58:[Out. contact. stuck] (FCF1) The output contactor remains closed although the opening conditions have been met

59:[Out. contact. open] (FCF2) The output contactor remains open although the closing conditions have been met

60: [Internal-time meas.]	(InFC)	Fault on the electronic time measurement component
61: [AI2 input]	(AI2F)	Non-conforming signal on analog input AI2
62: [Encoder]	(EnF)	Encoder feedback fault

63:[Thyr. soft charge] (CrF2) DC bus charging fault (thyristors)

64: [input contactor]	(LCF)	The drive is not turned on even though [Mains V. time out] (LCt) has elapsed
65: [DB unit sh. circuit]	(bUF)	Short-circuit output from braking unit
66:		Reserved
67: [IGBT desaturation]	(HdF)	Short-circuit or grounding at the drive output
68: [Internal-option]	(InF6)	The option installed in the drive is not recognized
69: [Internal- CPU]	(InFE)	Internal microprocessor fault
70: [DBR overload]	(bOF)	The braking resistor is under excessive stress

71:[AI3 4-20mA loss] (LFF3) Loss of the 4-20 mA reference on analog input AI3

72:[AI4 4-20mA loss] (LFF4) Loss of the 4-20 mA reference on analog input AI4

73: [Cards pairing]	(HCF)	The [CARDS PAIRING] (PPI-)function has been configured and a drive card has
		been changed
74: [No Flow Flt]	(nFF)	No fluid
75: [Power Ident]	(PtrF)	Inconsistency between control card and power card
76 to 99:		Reserved
100: [Proc. Underload Flt]	(ULF)	Process underload
101: [Proc. Overload Flt]	(OLC)	Process overload
102: [PI Feedback]	(SPIF)	PID feedback below lower limit

103