Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 323)

Rockwell Automation Publication 750-PM001J-EN-P - October 2014 323
Troubleshooting Chapter 6
331
332
333 I1 Comm Loss
I2 Comm Loss
I3 Comm Loss Resettable
Fault Coast A communications fault has occurred between the main control board
and the power layer interface board on inverter n.
341
342
343 C1 Comm Loss
C2 Comm Loss
C3 Comm Loss Resettable
Fault Coast A communications fault has occurred between the main control board
and the converter gate board on converter n.
351
352
353 In Cur Share L1
In Cur Share L2
In Cur Share L3 Alarm 1 There is an input current sharing imbalance between parallel converters
in the AC line indicated that is greater than 15% of the converter rated
current.
357
358
359 In Vlt Imbal L12
In Vlt Imbal L23
In Vlt Imbal L31 Alarm 1 There is a input line voltage imbalance between parallel converters in
the AC lines indicated that is greater than 5% of the converter rated
voltage.
360 N-1 See Manual Resettable
Fault Coast The number of active inverters has been reduced from the original
parallel configuration.
Refer to
N-1 and Re-Rate Functions on page 341 .
361 Rerate See Manual Resettable
Fault Coast The drive rating has changed from the original parallel configuration.
Refer to
N-1 and Re-Rate Functions on page 341 .
362 Cnv/Inv Mismatch Alarm 2 There is a voltage class mismatch between the installed parallel
inverters and converters.
363 CBP/Inv Mismatch Alarm 2 There is a voltage class mismatch between the installed parallel
inverters and common DC bus precharge units.
364 CBP Num Mismatch Alarm 2 The number of active inverters and active common DC bus precharge
units does not match.
365 Zero Cnv/Prechrg Alarm 2 No converter or common DC bus precharge unit exists.
366 Cnv Num Mismatch Alarm 2 The number of active inverters and active converters does not match.
371
372 P1 Comm Loss
P2 Comm Loss Resettable
Fault Coast A communications fault has occurred between the main control board
and the DC precharge control board on the common DC bus precharge
unit n.
380 PWM FPGA Overrun Alarm 1 The time limit on the PWM write to the FPGA was exceeded.
900 900 Resettable
Fault Coast Critical input exception.
Cycle power to clear this fault. Contact technical support.
901 Machine Check Resettable
Fault Coast Internal error.
Replace the main control board.
902 Data Storage Error Resettable
Fault Coast Cache memory corrupt.
Replace the main control board.
903 Instruction Storage Error Resettable
Fault Coast Cache memory corrupt.
Replace the main control board.
905 Alignment Error Resettable
Fault Coast Pointer is pointing to a non-boundary member.
Obtain test points and check grounding.
906 Program Error Resettable
Fault Coast Bad memory read.
Check grounding or replace the main control board.
907 Floating Point Unit Not
On Resettable
Fault Coast Firmware issue.
Obtain test points.
909 Aux Processor Not On Resettable
Fault Coast Auxiliary processor interrupt.
Cycle power to clear this fault. Contact technical support.
912 Watchdog Resettable
Fault Coast Timer counted down, reached 0, and fault occurred.
Replace the main control board.
913 Data TLB Error Resettable
Fault Coast Processor attempted to access non-boundary memory.
Check grounding or replace the main control board.
914 Instruction TLB Error Resettable
Fault Coast Processor attempted to access non-boundary memory.
Check grounding or replace the main control board.
Event
No. Fault/Alarm Text Type Fault
Action Configuration
Parameter Auto
Reset Description/Action(s)