Carrier 19XRV specifications Hist Screen, None, 113, 124

Table 6 — Powerflex 755 Fault Code Descriptions and Corrective Actions (cont)

VFD
FAULT	ICVC
CODE
	FAULT	FAULT TYPE	DESCRIPTION	CORRECTIVE ACTION
ON VFD
	STATE
HIST
SCREEN
38		Phase U to Gnd		Check the wiring between the drive and the
				motor.
39	220	Phase V to Gnd	GROUND FAULT
				Check motor for grounded phase.
40		Phase W to Gnd
				Check Motor terminals. d. Replace drive.
41		Phase UV Short		Check the wiring between the drive and the
				motor.
42	246	Phase VW Short	GROUND FAULT
				Check Motor terminals.
43		Phase WU Short
				Replace drive.
44	206	Phase UNot		Check the wiring between the drive and the
				motor.
45	206	Phase VNot ToGnd	GROUND FAULT (no LF2 equivalent)
				Check Motor terminals.
46		Phase WNot
	206			Replace drive.
55	NONE	Inverter Overtemp	The temperature sensor on the main control	Check that VFD refrigerant isolation valves are
			board detected excessive heat.	open.Check VFD refrigerant strainer
61	206	Shear Pin 1	See VFD Fault Code 15	See VFD Fault Code 15
62	206	Shear Pin 2	See VFD Fault Code 15	See VFD Fault Code 15
64				Check for high entering water temperature or low
	206	Drive Overload	Drive is overloaded	condenser water flow. Check current settings in
				VFD_CONF screen.
65	206	OW TrqLvlTimeout	See VFD Fault Code 15	See VFD Fault Code 15
77	206	IR Volts Range	See VFD Fault Code 15	See VFD Fault Code 15
78	206	FluxAmpsRef	See VFD Fault Code 15	See VFD Fault Code 15
		Rang
				Check that guide vanes are closed completely.
79	206	Excessive Load	Motor did not come up to speed in the allotted	Check for high entering water temperature or low
			time	condenser flow.
				Repeat Autotune
80	206	AutoTune Aborted	See VFD Fault Code 15	See VFD Fault Code 15
87	206	IXo VoltageRange	Ixo voltae calculated from motor nameplate data	Re-enter motor nameplate data in VFD_CONF
			is too high.	screen.
91	206	Pri VelFdbk Loss	See VFD Fault Code 15	See VFD Fault Code 15
93	206	HW Enable Check	See VFD Fault Code 15	See VFD Fault Code 15
94	206	Alt VelFdbk Loss	See VFD Fault Code 15	See VFD Fault Code 15
95	206	Aux VelFdbk Loss	See VFD Fault Code 15	See VFD Fault Code 15
96	206	PositionFdbkLoss	See VFD Fault Code 15	See VFD Fault Code 15
97	206	Auto Tach Switch	See VFD Fault Code 15	See VFD Fault Code 15
100			The checksum read from the board does not	Press ICVC reset.
	206	Parameter Chksum		Check VFD_CONF parameters.
			match the checksum calculated.	Cycle power to the drive.
107			The main control board was moved to a different	Press ICVC reset.
	NONE	Replaced MCB-PB		Check VFD_CONF parameters.
			power structure. Data set to default values.	Cycle power to the drive.
113	206	Tracking DataErr	Internal data error.	Press ICVC reset.
				Cycle power to the drive
124	206	App ID Changed	Application firmware changed.	Verify application version.
141	206	Autn Enc Angle	P78 [Encdrlss AngComp] is out of range	See VFD Fault Code 15
142	206	Autn Spd Rstrct	See VFD Fault Code 15	See VFD Fault Code 15
143	206	Autotune CurReg	See VFD Fault Code 15	See VFD Fault Code 15
144	206	Autotune Inertia	See VFD Fault Code 15	See VFD Fault Code 15
145	206	Autotune Travel	See VFD Fault Code 15	See VFD Fault Code 15

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