2–13
Troubleshooting and Error Codes
Publication 1336 IMPACT-6.8 – November, 2002
Fault Code and
Text
Suggested Action
Description
Fault
Type
LED Status
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 in the
troubleshooting chapter of the user manual 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 in the
troubleshooting chapter of the user manual 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 trip
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 in the
troubleshooting chapter of the user manual 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 in the
troubleshooting chapter of the user manual 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.
12037
Open Circuit
CP, Flashing red
Soft
The fast flux up current is less than 50%
of commanded.
Make sure the motor is properly connected.
Refer to the Understanding Precharge and
Ridethrough Faults section in the
troubleshooting chapter of the user manual for
more information.
If you do not want this condition to be reported
as a fault, change bit 5 in Fault Select 1
(parameter 20) to 0.
Содержание Allen-Bradley IMPACT 1336 Series
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