AB Quality Allen-Bradley 1394 User Manual page 170

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