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Troubleshooting
Error
Fault Message
Code
RSLogix (HIM)
E43
DriveEnableInput
Fault (Drive Enable Flt)
E50
SERCOSFault (SER-
COS Same ADDR)
E54
DriveHardFault (Ifbk
HW Fault)
E60
DriveHardFault
(Unknown Axis)
E61
AuxFeedbackFault
(Aux Fdbk AQB)
E62
AuxFeedbackFault
(Aux Fdbk Loss)
E63
AuxFeedbackNoise
(Aux Fdbk Noise)
E64
MotorFeedbackNoise
(Mtr Fdbk Noise)
E65
No Fault Message
(condition indicated
by on-screen mes-
sage) (Hookup Fault)
E66
No Fault Message
(condition indicated
by on-screen mes-
sage) (Atune Flt)
E67
DriveHardFault (Task
init)
E68
DriveHardFault
(SCANport Comm)
E69
DriveHardFault
(Objects Init)
34
Problem or Symptom
Missing Drive Enable
Input Signal
Duplicate node address detected on SERCOS ring. Verify that each SERCOS
Current feedback hardware fault detected.
Illegal ID bits detected.
Auxiliary Encoder State
Error
The feedback wiring is open, shorted, or missing.
Noise on auxiliary feed-
back cable
Noise on motor feedback
cable
Hookup procedure failed Motor or feedback
Autotune procedure
failed
Operating system failed
DPI communication
failed
Non-volatile memory is
corrupt due to control
board hardware failure.
Potential Cause
•
An attempt was made to
enable the axis through
software while the Drive
Enable hardware input was
inactive.
• The Drive Enable input
transitioned from active to
inactive while the axis was
enabled.
The auxiliary encoder
encountered an illegal
transition.
Recommended ground-
ing, per installation
instructions, has not
been followed.
device malfunction.
Motor or feedback
device malfunction.
Software initialization
fault detected due to
hardware failure.
The DPI device or cable
is faulty.
Possible Resolution
•
Disable the Drive Enable Input
fault.
• Verify that Drive Enable hard-
ware input is active whenever the
drive is enabled through software.
drive is assigned a unique
node address.
Replace the module.
Replace the module.
•
Use shielded cables with
twisted pair wires.
• Route the feedback away from
potential noise sources.
• Check the system grounds.
• Replace the motor/encoder.
Check the motor feedback
cable connectors/wiring to the
IAM/AM and motor.
•
Verify grounding.
• Route feedback cable away
from noise sources.
• Refer to System Design for Con-
trol of Electrical Noise Reference
Manual, publication
GMC-RM001.
•
Check motor power/feedback
wiring.
• Refer to on-screen message for
resolution.
•
Check motor power/feedback
wiring.
• Refer to on-screen message for
resolution.
• Perform Hookup in RSLogix
5000 software.
• Consult RSLogix 5000 help
screen.
•
Cycle power.
• If fault persists, replace module.
Check DPI connections.
Load default parameters, save
to non-volatile memory, and
recycle power or reset the
drive.
3A2152B
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