Siemens simatic ET 200MP Manual - Page 22

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Siemens simatic ET 200MP Manual
Diagnostic alarms
5.1 Status and error displays
Meaning of the LED displays
The following table explains the meaning of the status and error displays.
RUN and ERROR LED
Table 5- 1
RUN and ERROR status and error displays
LED
RUN
ERROR
Off
Off
Off
Flashes
On
Off
Flashes
Flashes
CHx LED
Table 5- 2
CHx status display
LED CHx
Off
On
22
Meaning
Voltage missing or too low at backplane bus
The module starts and flashes until the valid
parameter assignment is set.
Module parameters assigned
Hardware defective
Meaning
0 = Status of the output signal
1 = Status of the output signal
Switch on the CPU and/or the system pow-
•
er supply modules.
Verify that the U connectors are inserted.
•
Check whether too many modules are in-
•
serted.
---
Replace the module.
---
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Digital output module DQ 16x230VAC/1A ST Triac (6ES7522-5FH00-0AB0)
Solution
Solution
Manual, 09/2016, A5E34934069-AB