Siemens CP 1542SP-1 - LEDs and Connectors; LEDs

CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03
25
LEDs and connectors
2
2.1
LEDs
Meaning of the LED displays of the CP
The CP has the following light emitting diodes (LEDs) on the front:
LED name
Meaning
PWR
Power supply
RN
Operating mode
ER
Error
MT
Maintenance
Table 2- 1 Legend for the following tables
Symbol
-
Meaning /
LED status
ON
(LED lit)
OFF LED flashes Any
Table 2- 2 Meaning of the LED displays of the CP
PWR
(green)
RN
(green)
ER
(red)
MT
(yellow)
Meaning
No supply voltage on the CP or supply voltage too low
CP startup
CP in RUN mode
- Error. LED display with the following events:
• Duplicate IP address
• Bus adapter not plugged in or pulled
• No telecontrol connection (CP 1542SP-1 IRC)
Error: CP defective
Missing configuration data
Firmware update running
There is a maintenance request from the CP.
Example:
• End of the firmware update