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34
54
High PV Voltage Protection
Beep once every second
58
AC Output Low
Voltage(<180V)
Beep once every second
61
Battery Voltage Detection
Discrepancy Error
When it is over 0.5V between
inverter and MPPT.
Beep once every second
Fault Code
Fault Event
Icon On
02
Inverter Over Temperature
03
Battery Overvoltage
04
Battery Undervoltage
05
AC Output Short Circuit
06
High AC Output Voltage In Inverter Mode
07
Overload In Inverter Mode
20
BMS Communication Loss
51
Inverter Over Current
Trouble Shooting
Symptom
LCD/LED/Buzzer Possible Cause(s)
Recommended Solution(s)
Inverter will not
turn on during
initial power up.
LCD/LEDs and
buzzer will be
active for 3
seconds and then
complete off.
The battery voltage is too low
(<45.8V).
Batteries are not connected, loose
battery-side connections.
Check the batteries and cable
connections. Check DC fuse
and breaker.
Charge battery.
Replace battery.
No response
after power on.
No indication.
The battery voltage is far too low.
(<33.6V)
Battery polarity is connected reversed.
Check if batteries and the
wiring are connected well.
Re-charge battery.
Replace battery.
Buzzer beeps
continuously and
red LED is on.
Fault code 02
Over Temperature
Internal component temperature is over
90°C.
Check if the air flow of the
unit is blocked or the
ambient temperature is too
high.
Fault code 03
Battery is over-charged.
Return to repair center.
Fault code 03
Fault code 04
The battery voltage is too high.
Check if the spec and
quantity of batteries are
