DLS / DLS-C Series
93
Cod.: 240.010.0042
7.8 System Update
The rmware of the DLS inverter can be updated by using an external USB memory which must be con-
nected to the USB port available on the control panel.
Before starting the update procedure, make sure that the AC BYPASS switch is in the "1" position and that
the inverter is STAND-BY mode.
Make sure you have connected an external USB memory where has been uploaded the ".DLS" update le.
The external USB memory must be large enough and must have at least 128Mb of free space.
Make sure that the external USB memory has been recognized by the system (the USB icon in the status
bar of the display is shown).
Access to "SETTINGS GENERAL FW UPGRADE" menu.
Perform the update procedure following the instructions displayed on the front panel.
During the update procedure the DLS enters safety mode and interrupts its functions for the entire dura-tion
of the procedure (a few minutes).
WARNING - Do not power-off (AC and DC) the system during the update procedure. We recommend
that the update procedure is only carried out when the system is on and there is enough energy pro-duced
by the solar PV panels (at least 1kW). A power supply outage during the update procedure could affect the
correct operation of the system and relieves the manufacturer from all liabilities, as well as in-validate the
warranty.
WARNING - Do not remove the external USB memory during the update procedure. Removal of the
external USB memory during the update could affect the correct operation of the system and relieves the
manufacturer from all liabilities, as well as invalidate the warranty.
The inverter restarts automatically once the update is complete.
If the update procedure is not successful and a control panel lockout occurs, please contact the Tech-nical
Service of DELIOS s.r.l. to carry out a recovery procedure.
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