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000978AG
8 - Maintenance
~30°
R
eplacement of the buffer battery
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 COMM RS485 board:
Some inverter parts may be subject to voltages that could be hazardous for the operator.
1.
Before performing any work on the inverter, refer to “Inverter total de-
energization and safe access” chapter on this manual to know all the
necessary step to safely operate on the inverter.
2.
Open the wiring box front cover
07
.
3.
Extract the communication and control board
28
as explained in the
chapter “Communication and control board”.
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.
J2
X1
X2
S5
S4
J7
J1
J5
J6
1
2
1
8
7
4
3
2
ZGN.V2Q15.2
43
