Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual User Manual
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Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Chapter 6
Troubleshooting
78
FluxAmpsRef Rang
Alarm 2
The default for P70 [Autotune] is 1 “Calculate” and the value for flux
amps determined by the Autotune procedure exceeds the value
programmed in P26 [Motor NP Amps].
Check motor nameplate data against parameters P25 [Motor NP Volts]
through P30 [Motor NP Power].
Resettable
Fault
Coast
P70 [Autotune] is set to 2 “Static Tune” or 3 “Rotate Tune” and the value
for flux amps measured by the Autotune procedure exceeds the value
programmed in P26 [Motor NP Amps].
79
Excessive Load
Resettable
Fault
Coast
The motor did not come up to speed in the allotted time during
Autotune.
80
AutoTune Aborted
Resettable
Fault
Coast
The Autotune function was manually canceled or a fault occurred.
81
82
83
84
85
86
Port 1 DPI Loss
Port 2 DPI Loss
Port 3 DPI Loss
Port 4 DPI Loss
Port 5 DPI Loss
Port 6 DPI Loss
Resettable
Fault
Coast
The DPI port stopped communicating.
Check connections and drive grounding.
87
IXo VoltageRange
Alarm 2
The default for P70 [Autotune] is 1 “Calculate” and the voltage
calculated for motor inductive impedance exceeds 25% of the value of
P25 [Motor NP Volts].
Resettable
Fault
Coast
P70 [Autotune] is set to 2 “Static Tune” or 3 “Rotate Tune” and the
voltage measured for motor inductive impedance exceeds 25% of the
value of P25 [Motor NP Volts].
91
Pri VelFdbk Loss
Configurable
Note: See option module
for configuration
parameter number
A Feedback Loss has been detected for the source of P127 [Pri Vel
Feedback]. This could be due to a problem detected by the feedback
option module selected by P125 [Pri Vel Fdbk Sel] or due to a loss in
communication between the feedback option module and main control
board. The source of primary velocity feedback must be configured not
to fault if the feedback loss switchover feature is used.
93
Hw Enable Check
Resettable
Fault
Coast
Hardware enable is disabled (jumper installed) but indicates not
enabled.
94
Alt VelFdbk Loss
Configurable
Note: See option module
for configuration
parameter number
A Feedback Loss has been detected for the source of P128 [Alt Vel Fdbk
Sel]. This could be due to a problem detected by the feedback option
module selected by P128 [Alt Vel Fdbk Sel] or due to a loss in
communication between the feedback option module and main control
board.
95
Aux VelFdbk Loss
Configurable
Note: See option module
for configuration
parameter number
A Feedback Loss has been detected for the source of P132 [Aux Vel Fdbk
Sel]. This could be due to a problem detected by the feedback option
module selected by P132 [Aux Vel Fdbk Sel] or due to a loss in
communication between the feedback option module and main control
board.
96
PositionFdbkLoss
Configurable
Note: See option module
for configuration
parameter number
A Feedback Loss has been detected for the source of P847 [Psn Fdbk].
This could be due to a problem detected by the feedback option module
selected by P135 [Mtr Psn Fdbk Sel] or due to a loss in communication
between the feedback option module and main control board.
97
Auto Tach Switch
Resettable
Fault
Coast
Bit 7 “Auto Tach SW”
Indication that either of the two following conditions exists.
• Tach switch has occurred and alternate feedback device has failed.
• Tach switch has not occurred, Auto Tach Switch Option is enabled and
both primary and alternate devices have failed.
100
Parameter Chksum
Resettable
Fault
Coast
The checksum read from the non-volatile storage does not match the
checksum calculated. Data set to default value.
101
PwrDn NVS Blank
Resettable
Fault
Coast
Internal data error.
• Reset parameter defaults. See publication
for
instructions.
• Reload parameters.
• If problem persists replace main control board.
Fault normally occurs after a flash update to correct F117 fault.
Event
No.
Fault/Alarm Text
Type
Fault
Action
Configuration
Parameter
Auto
Reset
Description/Action(s)