Siemens Simatic S7-1500/ET 200MP Handbuch - Seite 22
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Error and system messages
Meaning of the LED displays for RUN/ERROR/(MAINT)
LED
RUN
ERROR
Off
Off
Flashes
Off
On
Off
Off
Flashes
1) Information on startup and diagnostics of the communication module is available in the
function manual CM PtP - Configurations for point-to-point connections
(http://support.automation.siemens.com/WW/view/en/59057093).
Meaning of LED displays for TXD/RXD (under the front panel)
LED
TXD
RXD
Flashes
Off
Off
Flashes
22
MAINT
Supply voltage not present or too low at
communication module
Off
CM in startup, parameters not assigned
yet
Off
CM configured and ready for operation
Off
Group error (at least one error pending) Evaluate the diagnostics data and
Off
Meaning
Interface is transmitting
Interface is receiving
Meaning
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CM PtP RS232 HF (6ES7541‑1AD00‑0AB0) communication module
Solution
Check the power supply of the station.
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eliminate the error.
1)
Solution
Manual, 01/2013, A5E03790665-01