Publication 1394-5.0 — May 2000
Troubleshooting 9-7
Finding Analog Servo System Faults
When a fault occurs for the Analog Servo version, a fault message
appears on the HIM.
Figure 9.1
HIM Fault Display
Each area on the diagram in Figure 9.1 has a significance:
Finding 9/440 Faults
Faults for the 9/440 appear on the second line of the operator panel.
There is also an error log that contains the most recent system faults.
To get to this error log screen:
1. At the main menu, press the continue softkey. The softkey menu
changes.
2. Press the {ERROR MESAGE} softkey. The error message screen
appears.
For more information on 9/440 system faults refer to the 9/Series
Integration and Maintenance Manual (catalog 8520-6.2).
Fault Number
Fault Name
Hard Fault Indicator
Source of Fault
In this area: This information appears:
Source of fault The area in which the fault originated:
Ax0 = Axis module 0
Ax1 = Axis module 1
Ax2 = Axis module 2
Ax3 = Axis module 3
Sys = System module
CPU = The host CPU (hardware)
DSP = DSP CPU (hardware
Cus. = User action is the source of the fault
Hdw. = Drive hardware is the source of the fault
Fault name An abbreviated message indicating a particular fault.
Hard fault indicator If an exclamation point appears in this location, a hard
fault has occurred. You need to cycle drive power to
clear this type of fault.
Fault number The number associated with the particular fault.
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