Allen-Bradley 1394 SERCOS, User Manual

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Publication 1394-5.0 — May 2000
9-4 Troubleshooting
For this module: For this LED:
Status of the
LED:
Potential Cause: Possible resolution:
Axis Module Status
Steady red Malfunctioning axis module.
• Verify wiring.
• Verify that the slider and terminator are
securely engaged.
• Secure wiring connections.
• Replace the module.
Flashing red Axis fault has occurred.
• Verify wiring.
• Secure wiring connections.
• Check fault status on the HIM (Analog
Servo only), in GML (GMC only), or on the
operator panel (CNC Interface and 9/440).
• Check 460V AC input power.
• Check axis status on the HIM (Analog
Servo only), in GML (GMC only), and on
the operator panel (CNC Interface and
9/440)
Alternating
red and
green DC bus is not up.
• Check the system module’s LED.
• Check slider connections to verify that they
are properly seated.
• Verify that the terminator is present on the
last axis.
Flashing
green Axis is not enabled.
• Check axes and enable them, if necessary.
• Verify that enable wiring is correct and not
open.
Enable signal from position
controller is not present (Analog
Servo only).
• Check axes and enable them, if necessary.
• Verify that enable wiring is correct and not
open.
Incorrect wiring or loose
connections.
Check connections on the input wiring board.
Axis setups may not be correct for
the application.
• Verify that axis definitions are correct.
• Check tuning parameters.
Not
illuminated There is no power to the axis
module.
Verify that the terminator is present on the last
axis.
There is no power to the system.
• Verify that the terminator is present on the
last axis.
• Check system module power supply.