Rockwell Automation 1756-M02AE Analog Encoder (AE) Servo Module Installation Instructions User Manual
Page 27

Analog Encoder (AE) Servo Module 27
Publication 1756-IN047D-EN-P - March 2001
Understanding Module Status Using the FDBK Indicator
Steady green
light
• Axis data is being
exchanged with
the module.
• The module us in
the normal
operating state.
None. The module is ready for action.
Flashing red
light
• A major
recoverable failure
has occurred.
• A communication
fault, timer fault,
or NVS update is
in progress.
• The OK contact
has opened.
If an NVS update is in progress,
complete the NVS update.
If an NVS update is not in progress:
• Check the Servo Fault word for
the source of the error.
• Clear the servo fault condition
using the Motion Axis Fault
Reset instruction.
• Resume normal operation.
• If the flashing persists,
reconfigure the module.
Solid red light
• A potential
nonrecoverable
fault has occurred.
• The OK contact
has opened.
• Reboot the module.
• If the solid red persists, replace
the module.
If the FDBK
LED displays:
Then the module status
is:
Take this action:
Off
The axis is not used.
• None, if you are not using this
axis.
• If you are using this axis, make
sure the module is configured
and an axis tag has been
associated with the module.
Flashing green
light
The axis is in the normal
servo loop inactive state.
None. The servo axis state can be
changed by executing motion
instructions.
If the OK LED
displays:
Then the module status
is:
Take this action: