Baf, Batt1F, Batt2F; Batt Indic Leds On 2Batt - Siemens Simatic M7-400 Reference Manual

Power Supply Modules
The following table applies to power supply modules with two batteries if the BATT
INDIC switch is in the 2BATT position. It shows the faults indicated and lists how to
remedy the faults.
Table 3-11

BAF, BATT1F, BATT2F; BATT INDIC LEDs on 2BATT

LED
BAF BATT1F BATT2F
H H H
D H H
H H D
D H D
H D H
D D H
H D D
D D D
D = LED is dark; L = LED lights up;
3-18
Cause of Fault
Both batteries are empty or
missing.
No backup voltage available
Both batteries empty or missing
Battery 1 empty or missing
No backup voltage available
(short circuit or overload)
Battery 1 empty or missing
Battery has been stored for too
long
Battery 2 empty or missing
No backup voltage available
(short-circuit or overload)
Battery 2 empty or missing
Battery has been stored for too
long
Both batteries in order.
No backup voltage available
(short circuit)
Both batteries in order.
S7-400, M7-400 Programmable Controllers Module Specifications
Remedy
Insert new batteries in compartments 1
and 2
Press FMR momentary-contact
pushbutton
Insert new batteries in compartments 1
and 2
Press FMR momentary-contact
pushbutton
Insert new battery in compartment 1.
Press FMR momentary-contact
pushbutton
•
Fault after plugging in a module:
Plugged-in module defective
•
Fault after switching on: Remove all
modules and plug in individually
Insert new battery in compartment 1.
Press FMR momentary-contact
pushbutton
Depassivate battery
(see Installation Manual, Chapter 7)
Insert new battery in compartment 2.
Press FMR momentary-contact
pushbutton
•
Fault after plugging in a module:
Plugged-in module defective
•
Fault after switching on: Remove all
modules and plug in individually
Insert new battery in compartment 2.
Press FMR momentary-contact
pushbutton
Depassivate battery
(see Installation Manual, Chapter 7)
•
Fault after plugging in a module:
Plugged-in module defective
•
Fault after switching on: Remove all
modules and plug in individually
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A5E00069467-07