Meaning Of The Error Leds - Siemens SIMATIC FM 351 Manual

11.3

Meaning of the Error LEDs

The status and error LEDs indicate various error states.
SF
CH 1
CH 2
Figure 11-1
LED Meaning
SF (red) Group error
LED – ON
CH 1 (red) Channel error 1
CH 2 (red) Channel error 2
FM 351 Positioning Module
C79000-G7076-C351-02
Status and Error Indicators of the FM 351
This LED indicates an error on the FM 351.
Diagnostic interrupt (internal or external (channel) error)
To eliminate the error, refer to the error list in the Appendix C.5 (page
C-15).
These LEDs indicate channel errors on channel 1 or channel 2.
Encoder wire break
Absolute encoder errors
Incremental encoder missing pulses
Operating errors
Parameter assignment error with parameters from the SDB.
Explanation
Diagnostics
11-3