Rockwell Automation Allen-Bradley IMPACT 1336 Series, Troubleshooting Manual, Page: 38 / 196

2–8 Troubleshooting and Error Codes
Publication 1336 IMPACT-6.8 – November, 2002
Fault Code and
Text
Suggested Action Description
Fault
Type
LED Status
03057
Param Limit
VP, Flashing red Soft A parameter limit has occurred.
Examine the parameter limit testpoints to
determine the exact cause. Refer to the
Understanding Parameter Limit Faults section
in the troubleshooting chapter of the user
manual.
If you do not want this condition to be reported
as a fault, change bit 9 in Fault Select 2
(parameter 22) to 0.
03058
Math Limit
VP, Flashing red Soft A math limit has occurred.
Examine the math limit testpoints to determine
the exact cause. Refer to the Understanding
Math Limit Faults section in the
troubleshooting chapter of the user manual.
If you do not want this condition to be reported
as a fault, change bit 10 in Fault Select 2
(parameter 22) to 0.
03072
mA Input
VP, Flashing green Warning A loss of 4–20mA input has occurred.
Check your wiring and connections.
If you do not want this condition to be reported
as a warning, change bit 8 in Warning Select 1
(parameter 21) to 0.
03089
Param Limit
VP, Flashing green Warning A parameter limit has occurred.
Examine the parameter limit testpoints to
determine the exact cause. Refer to the
Understanding Parameter Limit Faults section
in the troubleshooting chapter of the user
manual.
If you do not want this condition to be reported
as a warning, change bit 9 in Warning Select 2
(parameter 23) to 0.
03090
Math Limit
VP, Flashing green Warning A math limit has occurred.
Examine the math limit testpoints to determine
the exact cause. Refer to the Understanding
Math Limit Faults section in the
troubleshooting chapter of the user manual.
If you do not want this condition to be reported
as a warning, change bit 10 in Warning Select
2 (parameter 23) to 0.
05048
Spd Fdbk Loss
VP, Flashing red Soft A loss of feedback occurred.
Check the encoder wiring.
Verify that the encoder signals are free of
noise.
If you do not want this condition to be reported
as a fault, change bit 0 in Fault Select 2
(parameter 22) to 0.
05054
External Flt In
VP, Flashing red Soft
The external fault input from the L
Option board is open.
Check the external circuit for cause of an open
input signal.
If you do not want this condition to be reported
as a fault, change bit 6 in Fault Select 2
(parameter 22) to 0.