Under-temperature
protection when dis-
charging the battery.
Wait for a while for it to heat up and then
restart the machine.
Over-temperature protecti
when charging the battery.
Wait for a while for it to cool down and then
restart the machine.
Under-temperature
protection when charging
the battery.
Wait for a while for it to heat up and then
restart the machine.
Under-voltage protection for
the 1st cell.
Please charge the product in time and re- start
it when fully charged.
Under-voltage protection for
the 2nd cell.
Please charge the product in time and re- start
it when fully charged.
Under-voltage protection for
the 3rd cell.
Please charge the product in time and re- start
it when fully charged.
Under-voltage protection for
the 4th cell.
Please charge the product in time and re- start
it when fully charged.
Busbar fault of inverter due
to under-volt- age.
Turn off and on the machine.
Over-load protection of
inverter.
Check if the output port of inverter is over-
loaded. Turn off and on the AC output to
recover.
Output port of inverter is
short-circuited.
Check if the output port of inverter is
shortcircuited. Turn off and on the AC out- put
to recover.
The heat sink of inverter is
overheated.
Wait for it to cool down and then restart the
machine.
The temperature of the heat
sink is not detected.
Insert the NTC and restart the machine.
Over-voltage protection (PV
input).
Disconnect the solar charging cable and then
restart the machine.
Over-voltage protection (PV
output)
Disconnect the solar charging cable, re- start
the machine and then re-insert the solar
charging cable.
Over-temperature protection
of heat sink for PV module
The heat sink for PV module overheats. Wait
for it to cool down and then charge it.