8 Troubleshooting
If the inverter is unable to work properly, please refer to
contacting your local service. If any problem arise, the red(fault) LED indicator on the front
panel will light up and the LCD screen will display relevant information. Please refer to the
following table for a list of error message and corresponding solutions.
Faults
Grid Fault
PV Over Voltage
DCINJ High
Relay Short
Relay Open
*
Self Testing Fault
(SF4.2KTL,SF4.6KTL,SF5
If the fault light isn’t lighted, please check the inverters with the following items. Please make sure
the current status of the inverter allow such operation.
— Check if the inverter is installed in a clean, dry and ventila
—Check if the DC input breakers is cut off.
The Solar Family Series Inverter
30
If the inverter is unable to work properly, please refer to the following instructions before
contacting your local service. If any problem arise, the red(fault) LED indicator on the front
panel will light up and the LCD screen will display relevant information. Please refer to the
or message and corresponding solutions.
Table 7
Troubleshooting list
Diagnosis and Solutions
-Waiting for one minute until the
back to normal working status.
- Check if the grid voltage and frequency
complies with the standards setting
-Call the local service office.
-Off to grid.
-Please check grid-connection, like wire,
interface, etc.
-Checking grid usability.
-Call the local service office.
PV Over Voltage
-Check if the PV string voltage exceeds
the input voltage of the inverter.
-Call the local service office.
DCINJ High
-Disconnect the PV (+), PV (-) with DC
input, then reconnect them.
-Check L line and N line to see whether it
has connection faults.
- Call the local service office.
Short
Open
-Disconnect the PV (+), PV (-) with DC
input, then reconnect them.
- Call the local service office.
Self Testing Fault
TL,SF5KTL)
-Please check whether working in
IN2 P mode.
-
Check PV1,PV2 if there is no connection
- Or please seek for help from us
If the fault light isn’t lighted, please check the inverters with the following items. Please make sure
the current status of the inverter allow such operation.
Check if the inverter is installed in a clean, dry and ventilated location.
Check if the DC input breakers is cut off.
The Solar Family Series Inverter
the following instructions before
contacting your local service. If any problem arise, the red(fault) LED indicator on the front
panel will light up and the LCD screen will display relevant information. Please refer to the
Diagnosis and Solutions
until the grid goes
grid voltage and frequency
setting.
connection, like wire,
Check if the PV string voltage exceeds
voltage of the inverter.
) with DC
Check L line and N line to see whether it
) with DC
Please check whether working in IN1 &
Check PV1,PV2 if there is no connection
lease seek for help from us.
If the fault light isn’t lighted, please check the inverters with the following items. Please make sure