Carrier 19XRV Start-Up And Service Instructions page 21

Table 6
—
VFD
FAULT
ICVC
CODE
FAULT FAULT TYPE
ON VFD
STATE
HIST
SCREEN
38 Phase U to Gnd
39 Phase V to Gnd
220
40 Phase W to Gnd
41 Phase UV Short
42 Phase VW Short
246
43 Phase WU Short
Phase UNot
44 206
45 206 Phase VNot ToGnd
Phase WNot
46 206
55 NONE Inverter Overtemp
61 206 Shear Pin 1
62 206 Shear Pin 2
64 206 Drive Overload
65 206 OW TrqLvlTimeout
77 206 IR Volts Range
FluxAmpsRef
78 206
Rang
79 206 Excessive Load
80 206 AutoTune Aborted
87 206 IXo VoltageRange
91 206 Pri VelFdbk Loss
93 206 HW Enable Check
94 206 Alt VelFdbk Loss
95 206 Aux VelFdbk Loss
96 206 PositionFdbkLoss
97 206 Auto Tach Switch
100 206 Parameter Chksum
107 NONE Replaced MCB-PB
113 206 Tracking DataErr
124 206 App ID Changed
141 206 Autn Enc Angle
142 206 Autn Spd Rstrct
143 206 Autotune CurReg
144 206 Autotune Inertia
145 206 Autotune Travel
Powerflex 755 Fault Code Descriptions and Corrective Actions (cont)
DESCRIPTION
GROUND FAULT
GROUND FAULT
GROUND FAULT (no LF2 equivalent)
The temperature sensor on the main control
board detected excessive heat.
See VFD Fault Code 15
See VFD Fault Code 15
Drive is overloaded
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
Motor did not come up to speed in the allotted
time
See VFD Fault Code 15
Ixo voltae calculated from motor nameplate data
is too high.
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
The checksum read from the board does not
match the checksum calculated.
The main control board was moved to a different
power structure. Data set to default values.
Internal data error.
Application firmware changed.
P78 [Encdrlss AngComp] is out of range
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
Check the wiring between the drive and the
motor.
Check motor for grounded phase.
Check Motor terminals. d. Replace drive.
Check the wiring between the drive and the
motor.
Check Motor terminals.
Replace drive.
Check the wiring between the drive and the
motor.
Check Motor terminals.
Replace drive.
Check that VFD refrigerant isolation valves are
open.Check VFD refrigerant strainer
See VFD Fault Code 15
See VFD Fault Code 15
Check for high entering water temperature or low
condenser water flow. Check current settings in
VFD_CONF screen.
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
Check that guide vanes are closed completely.
Check for high entering water temperature or low
condenser flow.
Repeat Autotune
See VFD Fault Code 15
Re-enter motor nameplate data in VFD_CONF
screen.
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
Press ICVC reset.
Check VFD_CONF parameters.
Cycle power to the drive.
Press ICVC reset.
Check VFD_CONF parameters.
Cycle power to the drive.
Press ICVC reset.
Cycle power to the drive
Verify application version.
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
See VFD Fault Code 15
21
CORRECTIVE ACTION