Table 22, “nvs read checksum, Table 24, “power unit fault, Table 25, “hardware enable – Rockwell Automation 20C PowerFlex 700H Drives Programming User Manual
Page 76: Table 26, “parameter checksum, Table 27, “main control board

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Rockwell Automation Publication 20C-PM001F-EN-P - March 2012
Chapter 3
Troubleshooting
Table 22 - NVS Read Checksum Fault (F47) Subcode
Table 23 - Motor Over Temperature Fault (F16) Subcode
Table 24 - Power Unit Fault (F70) Subcodes
Table 25 - Hardware Enable Fault (F94) Subcode
Table 26 - Parameter Checksum Fault (F100) Subcodes
Table 27 - Main Control Board - Power Board Configuration Fault (F106) Subcode
370
The Star Coupler board has been changed, added, removed, has experienced a checksum error, or is new
and the parameters for the device/board remain unchanged (typically frame 12 and 14 drives).
528
The power level in power unit 2 is not equal to the power level in power unit 1 after a microprocessor reset
(typically frame 12 and 14 drives).
561
The power level in power unit 2 is not equal to the power level in power unit 1 after a microprocessor reset
(typically frame 12 and 14 drives).
Subcode
Description
322
An operating time or energy counter checksum error has occurred on the Control board.
Subcode
Description
400
The motor is operating at high current and low frequency and is not accelerating.
Subcode
Description
272, 273
There is saturation in the power unit.
275
There is saturation in the U phase of the power unit (typically frame 11 and 13 drives).
276
There is saturation in the V phase of the power unit (typically frame 11 and 13 drives).
277
There is saturation in the W phase of the power unit (typically frame 11 and 13 drives).
288, 289
There is saturation in power unit 1 (typically frame 12 and 14 drives).
291
There is saturation in the U phase of power unit 1 (typically frame 14 drives).
292
There is saturation in the V phase of power unit 1 (typically frame 14 drives).
293
There is saturation in the W phase of power unit 1 (typically frame 14 drives).
304, 305
There is saturation in power unit 2 (typically frame 12 and 14 drives).
307
There is saturation in the U phase of power unit 2 (typically frame 14 drives).
308
There is saturation in the V phase of power unit 2 (typically frame 14 drives).
309
There is saturation in the W phase of power unit 2 (typically frame 14 drives).
Subcode
Description
338
An hardware enable signal is missing from the control terminal block.
Subcode
Description
322
A firmware interface power down variable checksum error has occurred on the Control board.
578
A firmware interface variable checksum error has occurred on the Control board.
834
A system powerdown variable checksum error (panel menu index, fault history pointer) has occurred on
the Control board.
1090
A system parameter checksum error (multimonitor, panel default pages) has occurred on the Control
board.
1346
An application defined powerdown, variable checksum error has occurred on the Control board.
1602
An application defined powerdown, variable checksum error has occurred on the Control board.
2626
A system parameter checksum error (fault history entries, device valid, system menu parameters) has
occurred on the Control board.
Subcode
Description
385
The software and the power unit are incompatible.
Subcode
Description