Solis three phase inverter does not require any regular maintenance. However, clean the
heat-sink will help inverter dissipating heat and increase the life time of inverter.
The dirt on the inverter can be cleaned with a soft brush.
CAUTION:
Do not touch the surface when the inverter is operating. Some parts may be hot
and cause burns. Turn OFF your inverter (refer to Section 5.2) and let it cool
down before you do any maintenance or cleaning of inverter.
The LCD and the LED status indicator lights can be cleaned with cloth if they are too
dirty to be read.
NOTE:
Never use any solvents, abrasives or corrosive materials to clean the inverter.
8. Trouble Shooting
The inverter is designed in accordance with the most important international grid-tied
standards and safety and electromagnetic compatibility requirements. Before delivering to
the customer, the inverter has been subjected to several tests to ensure its optimal operation
and reliability.
In case of failure, the LCD screen will display an alarm message. In this case, the inverter
may stop feeding into the grid. The failure descriptions and their corresponding alarm
messages are listed in Table 8.1:
.29.
.28.
7. Maintenance
8. Trouble Shooting
Alarm Message
OV-G-V
UN-G-V
OV-G-F
UN-G-F
G-IMP
NO-GRID
OV-DC
OV-BUS
UN-BUS
GRID-INTF.
INI-FAULT
OV-TEM
GROUND-FAULT
Failure description
Over grid voltage
Under grid voltage
Over grid frequency
Under grid frequency
High grid impedance
No grid voltage
Over DC voltage
Over DC bus voltage
Under DC bus voltage
Grid interference
Initialization system fault
Over Temperature
Ground fault
Table 8.1 Fault message and description
NOTE:
If the inverter displays any alarm message as listed in Table 8.1; please
turn off the inverter (refer to Section 5.2 to stop your inverter) and wait for 5
minutes before restarting it (refer to Section 5.1 to start your inverter). If the
failure persists, please contact your local distributor or the service center.
Please keep ready with you the following information before contacting us.
1. Serial number of the Inverter;
2. The distributor/dealer of the Inverter (if available);
3. Installation date.
4. The description of problem (i.e. the alarm message displayed on the LCD and the status
of the LED status indicator lights. Other readings obtained from the Information submenu
(refer to Section 6.2) will also be helpful.);
5. PV array’s configuration (e.g. number of panels, capacity of panels, number of strings, etc.);
6. Your contact details.
ILeak-FAULT
Relay-FAULT
DCinj-FAULT
High Grid leakage current
Relay check fault
High DC injection current
