7. Troubleshooting
7. Troubleshooting
.34.
.35.
Table 7.1 Fault message and description
Please keep ready with you the following information before contacting us.
1. Serial number of Solis Inverter;
2. The distributor/dealer of Solis 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. The system configuration.
6. Your contact details.
NOTE:
If the inverter displays any alarm message as listed in Table 7.1; please turn off
the inverter and wait for 5 minutes before restarting it . If the failure persists,
please contact your local distributor or the service center.
Alarm Message
Failure description
Solution
OV-ILLC
LLC Hardware Overcurrent
Restart the inverter, if the fault still exists,
contact Solis after-sale service.
OV-Vbatt
Battery Overvoltage
Check if the battery overvoltage setting is
reasonable, if the battery reaches its end of
life.
UN-Vbatt
Battery Undervoltage
Check if the battery overvoltage setting is
reasonable, if the battery reaches its end of
life.
DSP-B-FAULT
Slave DSP Check Error
Restart the inverter, if the fault still exists,
contact Solis after-sale service.
NO-Battery
Battery Not Connected
Check if the battery is correctly connected or
the battery contactor is disconnected, Restart
the battery.
OV-Vbackup
Inverting Overvoltage
Restart the inverter, if the fault still exists,
contact Solis after-sale Service.
Over-Load
Backup Overload
Check if the backup port is shorted or the
load is larger than the limitation.
CT-Fail
CT Installed Fail
Check if CT is correctly installed or the cables
are broken/loosen .
MET_Comm_FAIL
Meter COM Fail
Check if the CT/Meter setting is correct or
the cables are broken/loosen.
CAN_Comm_FAIL
Battery CAN Fail
Check if the CAN cable is correctly connected or
the cables are broken/loosen.
DSP_Comm_FAIL
DSP COM Fail
Restart the inverter, if the fault still exists,
contact Solis after-sale service.
Alarm-BMS
Battery BMS Alarm
Retart the battery, if fault still exists, please
contact battery manufacturer or installer.
BatName-FAIL
Wrong Battery Model
Make sure the actual battery model matches
the selection on inverter LCD.
