Siemens Simatic M7-400 User Manual

Power Supply Modules
3-16
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
BAF, BATTF
The following table applies to power supply modules with one battery if the BATT
INDIC switch is in the BATT position. It shows the faults indicated and lists how to
remedy the faults.
Table 3-9 BAF, BATTF; BATT INDIC LEDs on BATT
LED
Cause of Fault Remedy
BAF BATT
F
H H Battery empty or missing
No backup voltage available
Insert new battery.
Press FMR momentary-contact
pushbutton
D H
Battery empty or missing Insert new battery.
Press FMR momentary-contact
pushbutton
Battery has been stored for
too long
Depassivate battery
(see Installation Manual Chapter 7)
t
oo
l
ong
(
see
I
ns
t
a
ll
a
ti
on
M
anua
l
,
Ch
ap
t
er
7)
H D Battery in order
No backup voltage available
(short circuit)
• Fault after plugging in a module:
Plugged-in module defective
• Fault after switching on: Remove all
modules and plug in individually
D D Battery in order –
D = LED is dark; L = LED lights up;

Siemens Simatic M7-400 Specifications

General

Brand	Siemens
Model	Simatic M7-400
Category	Computer Hardware
Language	English