Siemens SIMATIC ET 200SP Manual page 22

Interrupts, error messages, diagnostics and system alarms
5.1 Status and error displays
Error display
The following table shows the possible causes of error that can occur.
Table 5- 5
Error type
(MAINT)
1
* Slot
Note
A short circuit in the backplane bus supply or the bus connection supply is indicated by the
following LEDs:
• PWR LED: On
• RN, ER and MT LED: Off
22
Error display
Error location Cause of error
(ERROR/MAINT)
02 to 12* The number of pulled I/O modules is
displayed. The diagnostics data is gen-
erated starting with two pulled I/O mod-
ules.
65*
Missing server module
•
Interruptions at the backplane bus
•
Short circuit of communication on
•
the backplane bus
IM 155-6 PN BA interface module (6ES7155-6AR00-0AN0)
Manual, 03/2015, A5E34934425-AA
Remedy
Check the configuration
of the ET 200SP.