Troubleshooting
11-4
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Error response
Each error message triggers an appropriate response.
Table 11-2 Overview of internal error responses
Error
response
Significance
Everything
OFF
S Stop movement by way of voltage ramp (MD44/MD45)
S Disable digital outputs
S Deactivate controller enable
S SYN is cleared after the error has been acknowledged with Restart
S No new travel jobs possible
Feed STOP S Stop movement
S Travel job is canceled and terminated.
S No new travel jobs possible
Warning S Message only
S Movement and control of axes not affected
11.2 Error messages
Introduction
The following approaches to error localization are available for the FM 353:
S Error display by LEDs
S Error messages to the system and to the user program
11.2.1 Fault indication by LED
Status and error displays
The FM 353 features the following status and error displays:
SF
DC 5V
DIAG
Fig. 11-2 Status and error displays of the FM 353
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