Siemens IM 155-6 PN ST - Error Display Codes and Causes

Interrupts, diagnostics, error, and system messages
5.1 Status and error displays
IM 155-6 PN ST interface module (6ES7155-6AU01-0BN0)
32 Manual, 04/2017, A5E03576904-AE
Error display
The following table shows the possible causes of error that can occur.
Table 5- 5 Error display
Error type
(MAINT)
Error location
(ERROR/MAINT)
Cause of error
Remedy
1 02 to 32* The number of pulled I/O modules is
displayed. The diagnostics data is gen-
erated starting with two pulled I/O mod-
ules.
Check the configuration
of the ET 200SP.
65*
• Missing server module
• Interruptions at the backplane bus
• Short circuit of communication on
the backplane bus
* 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