2–8 Troubleshooting and Error Codes
Publication 1336 IMPACT-6.2 – March 1998
Fault Code and
Text
Suggested ActionDescription
Fault
Type
LED Information
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.
05080
Spd Fdbk Loss
VP, Flashing green Warning 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 warning, change bit 0 in
Warning Select 2 (parameter 23) to 0.
05086
External Flt In
VP, Flashing green Warning
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 warning, change bit 6 in
Warning Select 2 (parameter 23) to 0.
06041
SP 1 Timeout
VP, Flashing red Soft
The SCANport adapter at port 1 has been
disconnected and the logic mask bit for
port 1 is set (1).
If the adapter was not intentionally
disconnected:
• Check the wiring to the SCANport adapters.
• Replace wiring, SCANport expander,
SCANport adapters, and main control board.
• Replace drive, if required.
If you do not want this condition to be
reported as a fault, change bit 9 in Fault
Select 1 (parameter 20) to 0.
AB Spares
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