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Troubleshooting
11.2 Error Messages
Overview
The following approaches to error localization are available for the FM 453:
11.2.1
Fault Indication by LED
Status and Error
The FM 453 features the following status and error displays:
Displays
Fig. 11-2
Significance of the
The status and error displays are explained in the order in which they are ar-
Status and Error
ranged on the FM 453.
Displays
Table 11-3
Status and Error Displays
Display
Significance
INTF (red)
Group errors for
internal errors
LED-ON
EXTF (red)
Group errors for
external errors
LED-ON
STAT (yellow)
Diagnosis
LED-ON
LED-blinking
11-4
Error display by LEDs
Error messages to the system and to the user program
INTF
EXTF
STAT
Status and Error Displays of the FM 453
This LED indicates an error condition in the FM 453.
Diagnostic interrupt (internal error).
To eliminate the error, see Error List Table 11-4.
This LED indicates an external (channel) error.
Diagnostic interrupt (external error or external channel error).
To eliminate the error, see Error List, Table 11-4.
This LED indicates various statuses (flashing).
Diagnostic interrupt (external error or external channel error).
To eliminate the error, see Error List, Table 11-4.
If this LED blinks when the "INFT" LED is simultaneously activated, this
indicates a system error. If this occurs, then please consult the appropriate
sales department. The exact circumstances which resulted in the error are
of major importance in this case.
Explanations
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
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