Troubleshooting - KEHUA TECH SPI-B X2 Series User Manual

PV Grid-tied Inverter SPI-B X2 Series (8K-25K)
User Manual
Step 7 Loosen the screws that fixed the fan and take out fans, as shown in Figure6-3.
Figure6-3 Dismantle fan
Step 8 Clean the fan with a soft brush or vacuum cleaner; Or replace the damaged fan (wind direction: up).
Step 9 After maintenance, install the fan in reverse order. Restart the inverter.
The fan maintenance only can be performed by professional.
----End

6.2 Troubleshooting

The inverter is designed on the basis of the grid-tied operation standards and meets the requirements
of safety and EMC. Before provided to client, the inverter has been experienced for several rigorous
tests to ensure reliable and optimizing operation.
If some faults occur, the indicator will show fault. Under the circumstances, the inverter may stop
power generation. The troubleshooting is as shown in Table6-1.
Table6-1 Troubleshooting list
No. Fault information
Grid voltage
1
abnormal
2
Grid frequency
Solution
Check whether the safety regulations of the inverter meet the
requirements of the local grid connection and check the voltage of
the local power grid. If the above is normal, please contact your
local agency or service center.
Check whether the safety regulations of the inverter meet the
51
6 Maintenance and Troubleshooting