Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX - Manual (Page 296)

12-14 Troubleshooting
12016
Overvoltage
CP, Solid red Hard
The DC bus voltage has
exceeded the maximum value.
When this condition occurs, the
drive coasts to a stop regardless
of the selected stop type.
Monitor the AC line for high line voltage or transient
conditions.
Increase the deceleration time or install the dynamic
brake option because motor regeneration can also cause
bus overvoltages. Refer to the description of Bus Options
(parameter 13) for additional information about bus
overvoltages.
If you are using flux braking, refer to Chapter 9,
Applications, for information about flux braking.
12017
Desaturation
CP, Solid red Hard
There was too much current in
the system.
When this condition occurs, the
drive coasts to a stop regardless
of the selected stop type.
Run the power structure diagnostics.
Check for a shorted motor or motor wiring.
Replace the drive.
12018
Ground Fault
CP, Solid red Hard
A current path to earth ground in
excess of drive rated current has
been detected at one or more of
the drive output terminals.
When this condition occurs, the
drive coasts to a stop regardless
of the selected stop type.
Run the power structure diagnostics.
Check the motor and external wiring to the drive output
terminals for a grounded condition.
Replace the drive.
12019
Overcurrent
CP, Solid red Hard
There was too much current in
the system.
When this condition occurs, the
drive coasts to a stop regardless
of the selected stop type.
Run the power structure diagnostics.
Check for shorted motor or motor wiring.
Replace drive.
12020 CP, Solid Red Hard
VP and CP have lost
communication
Cycle Power to Drive
Reset Defaults
Replace Main Control Board
12032
RidethruTime CP, Flashing
red
Soft
There was a bus voltage drop of
150V and power did not return
within 2 seconds. Check the incoming power and fuses.
If you do not want this condition to be reported as a fault,
change bit 0 in Fault Select 1 (parameter 20) to 0.
12033
Prechrg Time CP, Flashing
red
Soft
The precharge function could not
complete within 30 seconds.
Refer to the Understanding Precharge and Ridethrough
Faults section for more information.
If you do not want this condition to be reported as a fault,
change bit 1 in Fault Select 1 (parameter 20) to 0.
12034
Bus Drop CP, Flashing
red
Soft
The bus voltage dropped 150V
below the bus tracker voltage.
Monitor the incoming AC line for low voltage or line
power interruption.
Refer to the Understanding Precharge and Ridethrough
Faults section for more information.
If you do not want this condition to be reported as a fault,
change bit 2 in Fault Select 1 (parameter 20) to 0.
12035
Bus Undervlt CP, Flashing
red
Soft
The DC bus voltage fell below the
minimum value (388V DC at
460V AC input).
Monitor the incoming AC line for low voltage or line
power interruption.
Refer to the Understanding Precharge and Ridethrough
Faults section for more information.
If you do not want this condition to be reported as a fault,
change bit 3 in Fault Select 1 (parameter 20) to 0 or
decrease the bus undervoltage setpoint.
12036
Bus Cycle>5 CP, Flashing
red
Soft
At least 5 ridethrough cycles
have occurred within a 20 second
period. This indicates a converter
problem or a problem with the
incoming power.
Monitor the incoming AC line for low voltage or line
power interruption.
Refer to the Understanding Precharge and Ridethrough
Faults section for more information.
If you do not want this condition to be reported as a fault,
change bit 4 in Fault Select 1 (parameter 20) to 0.
Fault Code
and Text
LED
Information
Fault
Type
Description Suggested Action