Studer Innotec SA
VarioString
24
User manual
6.4
“E
RROR
”
INDICATOR
(3)
The table below describes the type of error according to the number of times this indicator blinks red.
Indic.
Indicated error
Comment
Off
No problem
If no indicator lights up, the equipment is de-energized.
On
The equipment is OFF
The equipment is energized but it does not operate because
of a user command (the “Set” button has been pressed for 5s).
Blinks
1x
Battery
low
voltage
warning
The equipment is still operating but shows that the battery is
lower than 40V.
Blinks
2x
Earth fault
The VarioString detects an abnormal situation which does not
correspond to the programmed value of the parameter
{14040}, {14041} and {14042} checking the state of the earth
connection.
Blinks
3x
Power reduction or stop
due to an excessive
temperature
in
the
equipment.
This may be due to an excessive ambient temperature,
exposure of the equipment to a heat source (sun) or to
deficient or impeded ventilation.
Blinks
4x
Battery voltage higher
than 68V
Check the cause of this excessive voltage. The equipment
automatically starts again when voltage returns to a value
lower than 64V.
Blinks
5x
The PV voltage is higher
than the set value of the
max operating limit.
The PV voltage exceeds the max limit (600V in parallel or
independent, 900V in series). The equipment will stop or won’t
start. See also chap. 4.3.2.
Blinks
6x
Software incompatibility
in a system
The different parts of the system’s equipment must have the
same software version to function properly. Proceed with the
update following the procedure in the RCC-02/03 manual.
Blinks
7x
Not used
Blinks
8x
The PV current is higher
than the set value of the
max operating limit.
The PV current exceeds the max limit (13A in independent or
in series, 26A in parallel). The equipment will stop or won’t start.
See also chap. 4.3.3.1
Blinks
9x
Error in cabling of PV
modules
The cabling specified by the parameter {14002} does not
correspond to the cabling detected by the device. Only
VS-120.
Blinks
10x
Other errors
Internal error in system
6.5
C
HARGING CURRENT
I
NDICATOR
(5)-(6)-(7)-(8)-(9)-(10)
These indicators work as a type of
histogram. They blink or are lit up
continually to indicate the range
of charge current from the
VarioString given in the table to
the right.
Example with the VS-120:
For a charge current of 65 A, the
LEDS (5, 6, and 7) are lit up
continuously while the LED (8) is
blinking.
The RCC-02/03 remote control
allows a complete and detailed
display of the VarioString's
behaviour (see chap. 10.1).
Indicator nr
State
Signification
VS-70
VS-120
LED (10)
Lit
-
120A
Blinking
-
100-120A
LED (9)
Lit
-
>100A
Blinking
-
80-100A
LED (8)
Lit
>70A
>80A
Blinking
45-70A
60-80A
LED (7)
Lit
>45A
>60A
Blinking
30-45A
40-60A
LED (6)
Lit
>30A
>40A
Blinking
15-30A
20-40A
LED (5)
Lit
>15A
>20A
Blinking
0-15A
0-20A
Содержание VarioString VS-120
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