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15.
Trouble Shooting
When there is no information displayed in the LCD, please check if PV
module/battery/grid connection is correctly connected.
NOTE: The warning and fault information can be recorded by remote monitoring
software.
15-1. Warning List
There are 17 situations defined as warnings. When a warning situation occurs,
icon will flash. Touch “up” or “down” to select displaying warning code. If there are
several codes, it will display in sequences. Please contact your installer when you
couldn’t handle with the warning situations.
Code Warning Event
Icon
(flashing)
Description
01
Line voltage high loss
Grid voltage is too high.
02
Line voltage low loss
Grid voltage is too low.
03
Line frequency high loss
Grid frequency is too high.
04
Line frequency low loss
Grid frequency is too low.
05
Line voltage loss for long
time
Grid voltage is higher than
253V.
06
Ground Loss
Ground wire is not detected.
07
Island detect
Island operation is detected.
08
Line waveform loss
The waveform of grid is not
suitable for inverter.
09
Line phase loss
The phase of grid is not in
right sequence.
10
EPO detected
EPO is open.
11
Overload
Load exceeds rating value.
12
Over temperature
The temperature is too high
inside.
13
Batter voltage low
Battery discharges to low alarm
point.
14
Battery under-voltage when
grid is loss
Battery discharges to shutdown
point.
15
Battery open
Battery is unconnected or too
low.
16
Battery under-voltage when
grid is OK
Battery stops discharging when
the grid is OK.
17
Solar over voltage
PV voltage is too high.
