Rockwell Automation 1756-M02AS Motion Module Installation Instructions - Manual (Page 15)

SSI Servo Module 15
Publication 1756-IN595A-EN-P - March 2004
The table below provides an explanation of the OK indicator.
If the OK LED
displays: The module status is: Take this action:
Off The module is not operating.
• Apply chassis power.
• Verify the module is completely
inserted in chassis and
backplane.
Flashing green
light The module has passed
internal diagnostics, but it is
not communicating axis
data over the backplane. • None, if you have not
configured the module.
• If you have configured the
module, check the slot number
in the 1756-M02AS Properties
dialog box.
Steady green
light One of the following:
• Module is
exchanging axis
data.
• The module is in
the normal
operating state.
None
Flashing red
light One of the following:
• A major
recoverable failure
has occurred.
• A communication
fault, timer fault,
or non-volatile
memory storage
(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
via Motion Axis Fault Reset
instruction.
• Resume normal operation.
• If the flashing persists,
reconfigure the module.