Maintenance
40
User Manual V1.0-2022-05-05
Type of fault
Solutions
Inverter
Failure
Relay-Check Failure
1.
Turn off DC switch of the inverter.
2.
Wait till the inverter's LCD light is off.
3. Turn on DC switch and make sure it is connected.
4.
If the problem still exists, contact local service office
for help.
DCI Injection High
EEPROM R/W Failure
SCI Failure
SPI Failure
DC BUS High
BUS Unbalance
GFCI Failure
Ifan Fault
Efan Fault
Afan Fault
No display
1.
Turn off DC switch, take off DC connector, measure the
voltage of PV array.
2. Plug in DC connector, and turn on DC switch.
3. If PV array voltage is lower than 250V , please check
configuration of inverter module.
4. If PV array voltage is higher than 250V , please contact
local service office.
Others
Wi-Fi module fail to
connect to network
1. If the Wi-Fi module fails to connect to network after
choosing the right router hotspot and entering the
right password, it's possible that there are special
characters not supported by the module in the
hotspot password. Please modify the password so
that it consists of only Arabic numerals or uppercase /
lowercase letters.
2.
If the problem still persists, contact local service office
for help.
NOTICE
When sunlight is insufficient, the inverter may continuously start up and shut down
automatically due to insufficient power generation from the PV panels, This should not lead to
inverter damage.
