Manual EN
Uninterruptible Power Supply
V 1.0
Charge and control units
BLOCK Transformatoren-Elektronik GmbH
Max-Planck-Strasse 36-46, 27283
.
Verden, Germany
31.08.20 / SCH
Subject to technical changes
12
The operating status of the charge and control unit can also be viewed via the LED status
display. The light signals have the following meanings.
Chart 4: Signaling via LED status display
Operating status
Green LED
Yellow LED
Red LED
DC OK
Charge/Bat.
Mode
Alarm
UPS is in normal operation
Output voltage > 20.4 V
Battery is charged and OK
on
off
off
(flashing
(1
HZ) battery
replacement
recom-
mended)
UPS is in normal operation
Battery is being charged
(Charging < 85 % of rated capacity)
on
on
off
(flashing
(1
HZ) battery
replacement
recom-
mended)
UPS is in normal operation,
no battery operation possible
(Presence test negative or remote shut-
down R1/R2 active)
on
off
on
UPS is in normal operation
Battery replacement recommended
on
off
flashing (1
Hz)
UPS is in
Buffer mode/IPC Mode
Battery voltage > 20.4 V
on
flashing (1Hz)
off
(flashing
(1
HZ) battery
replacement
recom-
mended)
UPS is in
Buffer mode/IPC Mode
Battery voltage > 20.4 V
Device is about to switch off
on
flashing (4 Hz)
off
(flashing
(1
HZ) battery
replacement
recom-
mended)
Deep discharge protection of the UPS
Buffer mode is ended
(Factory setting battery voltage > 18 V)
off
flashing (4 Hz) flashing (1
Hz)
Safety shutdown
(No buffer mode possible or remote
shutdown R1/R2 active or no battery
connected)
flashing (1 Hz) off
on
Safety shutdown
(Input voltage too low or too high, out-
put switched off)
flashing (1 Hz) off
off
UPS is in Hiccup Mode
off
off
flashing (1
Hz)
UPS is in Fuse Mode
off
off
flashing (4
Hz)
Shutdown Mode
IPC powered down/wait time
off
off
on
