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000849BG
8 - Maintenance
Replacement of the buffer battery
Some inverter parts may be subject to voltages that could be hazardous for the operator.
Before performing any work on the inverter, refer to “Inverter switch-off” chapter on this manual
to know all the necessary step to safely operate on the inverter.
Replacing the buffer battery
43
is carried out on the wiring box
02
and
may be necessary in the following circumstances:
1. LED error signal
2. Reset of the date and time settings
The battery is of the CR2032 type and is installed on the communication
and control board
28
.
Procedure to replace the buffer battery
43
:
1. Open any AC disconnect switch downstream of the inverter.
2. Open the DC disconnect switches
15
and the AC disconnect switch
09
(only on -SX2, -SY2 model).
3. Disconnect the quick t input connectors
16
.
3. Open the wiring box front cover
07
.
4. Remove the buffer battery
43
to be replaced
5. Install the new battery, taking care to handle it with insulating gloves in
order not to compromise the charge and respecting the polarity shown on
the diagram on the communication and control board
28
CR2032
X1
6. Reconnect all the input strings and start the inverter.
~30°
J2 X1
X2
S5S4
J7
J1
J5 J6
1
2
1
8
7
432
ZGN.V2Q15.2
43
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