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- Error code
- Error message
Name of Alarm and Cause
- Warning
- W027 *
Resetting of the Latch alarm conditions:
- Latch-Manual reset
Manual reset of the Latch alarm conditions; this
-
No LED
operation can be made through the display or
*not visualised on
advanced configuration software.
display
- W030
- Energy Meter
ERROR *
METER device communication problem:
-
No LED
Error detected on the RS485 serial communication
* text "METER COM.
line between the inverter and the energy meter
ERR." shown on the
(METER).
display in the general
information (cyclical
screens)
- W031
- BMS fault
-
No LED
Battery unit communication problem:
* text "BMS COM.
Error detected on the internal communication line
ERR." shown on the
between the inverter unit and the battery unit.
display in the general
information (cyclical
screens)
Problem inside battery unit 1:
- W036
Problem inside battery unit. This condition can be
- Batt. 1 - W
transitory with automatic reset at the end of the alarm
-
No LED
situation
Error inside battery unit 1:
- W037
Problem inside battery unit. This condition can be
- Batt. 1 - F1
transitory with automatic reset at the end of the alarm
-
No LED
situation
Problem inside battery unit 2:
- W039
Problem inside battery unit. This condition can be
- Batt. 2 - W
transitory with automatic reset at the end of the alarm
-
No LED
situation
Error inside battery unit 2:
- W040
Problem inside battery unit. This condition can be
- Batt. 2 - F1
transitory with automatic reset at the end of the alarm
-
No LED
situation
Problem inside battery unit 3:
- W042
Problem inside battery unit. This condition can be
- Batt. 3 - W
transitory with automatic reset at the end of the alarm
-
No LED
situation
Error inside battery unit 3:
- W043
Problem inside battery unit. This condition can be
- Batt. 3 - F1
transitory with automatic reset at the end of the alarm
-
No LED
situation
Disconnection of system from grid:
- W045
Warning of disconnection of system from electrical
- Sys disconnected
grid (no DC input voltage) because of dead battery
-
Yellow LED
pack or no demand from domestic loads
Connection to the grid unsuccessful
- W046
The alarm is logged when a Missing grid or Input UV
- Grid conn. fault
error occurs or due to the manual disconnection of the
-
Yellow LED
inverter during the grid connection sequence.
- W047
FW update method unsuccessful
The alarm occurs when a firmware update has not
- Update Incomplete
-
Yellow LED
been completed.
Automatic disconnection from the grid due to time
limit:
- W048
If the inverter exceeds the set grid connection time
- Periodic GridOff
limit set by the grid standard, it will automatically have
-
Yellow LED
to carry out a disconnection and reconnection to the
grid to carry out the Riso test.
- 153 -
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Solution
• The reset of the Latch alarm conditions is done directly by
the customer/installer and is not an error. The information is
only saved on the historic record of the events memorised by
the inverter
• Check the serial communication line connections between
the inverter and the METER. Particularly check the signal
correspondence, the correct installation of the conductors and
that there are no breaks in the cables.
• Faulty communication card (Comm. card)
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Check the serial communication line connections between
the inverter unit and the battery unit. Particularly check the
connectors have been installed correctly and that there are no
breaks in the cables connecting the two units.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Error inside the inverter and cannot be checked externally.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Check that, when the warning occurs, the battery pack
is dead and/or there have been no energy demands from
domestic loads for more than 10 minutes.
• Once the error occurs, the inverter tries to return to normal
operation.
If the problem persists after a number of attempts to connect
the inverter, switch the inverter off and then on again.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• Complete any pending firmware updates.
- If the problem persists once the firmware updates have been
completed, switch the inverter off and on again.
- If the problem persists (once the inverter has been switched
off and back on again), contact customer assistance.
• The presence of this alarm is not an error as the automatic
disconnection is prescribed by safety regulations.
- If the inverter disconnects in a shorter time than expected,
contact customer assistance.
8 - Maintenance
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