Fault/Error Messages Via Leds - Siemens SIMATIC S7-400 Reference Manual

Power supply modules

3.5 Fault/Error messages via LEDs

3.5 Fault/Error messages via LEDs
Introduction
The power supply modules of the S7-400 indicate module faults and backup battery faults via
LEDs on the front plate.
Overview of the error messages of the power supply modules
Table 3-6
Module error
Backup battery fault
48
Error messages of the power supply modules
Type of fault/error LED
INTF
5 VDC
24 VDC
Power supplies with 1 backup battery:
BAF
BATTF
Power supplies with 2 backup battery:
BAF
BATT1F
BATT2F
S7-400 Automation System Module Data
Reference Manual, Ausgabe 11/2016, A5E00850736-08