18
79 206 449 Excessive Load
Motor did not come up to speed in the allotted
time.
Check that guide vanes are closed completely. Check for high
entering water temperature or low condenser flow. Repeat
Autotune.
80 206 449 AutoTune Aborted See VFD Fault Code 15. See VFD Fault Code 15.
87 206 449 IXo VoltageRange
IXo voltage calculated from motor nameplate data
is too high.
Re-enter motor nameplate data in VFD_CONF (PIC3)/
CFGUMVFD (PIC6) screen.
91 206 449 Pri VelFdbk Loss See VFD Fault Code 15. See VFD Fault Code 15.
93 206 449 HW Enable Check See VFD Fault Code 15. See VFD Fault Code 15.
94 206 449 Alt VelFdbk Loss See VFD Fault Code 15. See VFD Fault Code 15.
95 206 449 Aux VelFdbk Loss See VFD Fault Code 15. See VFD Fault Code 15.
96 206 449 PositionFdbkLoss See VFD Fault Code 15. See VFD Fault Code 15.
97 206 449 Auto Tach Switch See VFD Fault Code 15. See VFD Fault Code 15.
100 206 451 Parameter Chksum
The checksum read from the board does not
match the checksum calculated.
Press ICVC reset (PIC3)/Reset alarm (PIC6).
Check VFD_CONF parameters.
Cycle power to the drive.
106 284 453 Incompat MCB-PB
The main control board did not recognize the
power structure.
Flash with newer Application version software.
107 NONE 451 Replaced MCB-PB
The main control board was moved to a different
power structure. Data set to default values.
Press ICVC reset (PIC3)/Reset alarm (PIC6).
Check VFD_CONF (PIC3)/CFGUMVFD (PIC6) parameters.
Cycle power to the drive.
113 206 451 Tracking DataErr Internal data error
Press ICVC reset (PIC3)/Reset alarm (PIC6).
Cycle power to the drive.
124 206 451 App ID Changed Application firmware changed. Verify application version.
141 206 449 Autn Enc Angle P78 [Encdrlss AngComp] is out of range. See VFD Fault Code 15.
142 206 449 Autn Spd Rstrct See VFD Fault Code 15. See VFD Fault Code 15.
143 206 449 Autotune CurReg See VFD Fault Code 15. See VFD Fault Code 15.
144 206 449 Autotune Inertia See VFD Fault Code 15. See VFD Fault Code 15.
145 206 449 Autotune Travel See VFD Fault Code 15. See VFD Fault Code 15.
168 206 444 HeatSinkUnderTmp
Heatsink temperature sensor is reporting a value
below –18.7 C (–1.66 F) or the sensor feedback
circuit is open.
Check heat sink temperature sensor. Check heat sink
temperature.
210 206 449 HW En Jumper Out See VFD Fault Code 15. See VFD Fault Code 15.
211 206 449 Safety Brd Fault See VFD Fault Code 15. See VFD Fault Code 15.
213 206 449 Safety Jumper In See VFD Fault Code 15. See VFD Fault Code 15.
226 224 448 VFD Comm loss
The device at the port has stopped communicating
with the main control board.
Verify that the device is present and functional. Verify network
connections. Verify options installed in appropriable ports are
seated in the port and secured with mounting screws.
291 206 449 HSFan Lifwe See VFD Fault Code 15. See VFD Fault Code 15.
292 206 449 InFan Life See VFD Fault Code 15. See VFD Fault Code 15.
293 206 449 MtrBrg Life See VFD Fault Code 15. See VFD Fault Code 15.
294 206 449 MtrBrg Lube See VFD Fault Code 15. See VFD Fault Code 15.
295 206 449 MachBrg life See VFD Fault Code 15. See VFD Fault Code 15.
296 206 449 MachBrg Lube See VFD Fault Code 15. See VFD Fault Code 15.
315 206 449 Excess Psn Error See VFD Fault Code 15. See VFD Fault Code 15.
351 209 426 In Cur Share L1
There is an input current sharing imbalance
between parallel converters in AC line indicated
that is greater than 15% of converter rated current.
See VFD Fault Code 15.
352 209 426 In Cur Share L2
There is an input current sharing imbalance
between parallel converters in AC line indicated
that is greater than 15% of converter rated current.
See VFD Fault Code 15.
353 209 426 In Cur Share L3
There is an input current sharing imbalance
between parallel converters in AC line indicated
that is greater than 15% of converter rated current.
See VFD Fault Code 15.
Table 5 — Powerflex 755 Fault Code Descriptions and Corrective Actions (cont)
VFD
FAULT
CODE ON
VFD HIST
SCREEN
ICVC
FAULT
STATE
PIC6
FAULT
STATE
FAULT TYPE DESCRIPTION CORRECTIVE ACTION
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