Apollo Maxx User Manual
28
internal NTC connection. Contact the
installer if the fault still exists.
The battery temperature is too high
Check battery sensor connection;
Check battery temperature; Check
battery connection
1.Check whether the fan is blocked.
2.Open the case, check the fan
connection. Contact the installer if the
fault still exists.
Abnormal parallel connection
Check the connection of the parallel
communication cable.
Abnormal CAN communication
Check the parallel parameter setting.
Parallel address conflict
Check the parallel parameter setting
(ID address)
Check the parameter setting or trigger
the Parameter Sync.
The system mode and the
parameter setting do not match
Check the parameter setting (Lithium
battery)
Abnormal AC output in the parallel
system or the three systems
Check the output wire connection
Abnormal internal communication
of the LCD
Open the case, check the LCD wire
connection. Contact the installer if the
fault still exists.
Check the AC input voltage and the
connection
AC input is under voltage
AC input is over frequency
AC input is under frequency
Abnormal AC input phase
sequence
Abnormal voltage between the N
and the GND
1.Check the ACin L-N connection.
2.Check the GND connection.
Abnormal Communication
between the inverter and the DSP
Open the case, check all the inner
connections. Contact the installer if
fault still exists.
Software and hardware matching
error
Restart the inverter. Contact installer if
the fault still exists.