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5.6 WARNING INDICATOR
Warning code
Warning Event
01
Battery voltage is too low
02
Input voltage is too low
03
Input voltage is too high
04
Overload
05
Over temperature
06
Fan is locked when inverter is on
07
Battery voltage is too high
21
PV voltage is too low
22
PV voltage is too high
6. TROUBLE SHOOTING
Problem
LCD/LED/Buzzer
LCD / LED
Possible cause
What to do
Unit shuts down
automatically
during start up
process
LCD/LED and
buzzer will be
active then
complete off
The battery voltage is too
low
1. Re-charge battery
2. Replace battery
No response
after power on
No indication
1. The battery voltage is too
low.
2. Internal fuse tripped.
1. Contact repair center for
replacing the fuse.
2. Re-charge battery.
3. Replace battery
Mains exist but
the unit works in
battery mode
Input voltage is
displayed as ‘0’
on the LCD and
green LED is
flashing
Input protector is
triggered
Check if AC breaker is turned on
and AC wiring is connected well.
When the unit is
turned on,
internal relay is
switched on and
off repeatedly
LED is flashing
Insufficient quality of AC
power
1.Check if AC wires are too
thin and/or too long.
2. Check if generator (if
applied) is working well or if
input voltage range setting is
correct. (UPS Appliance)
Change output source
When the unit is
turned on,
internal relay is
switched on and
off repeatedly
LCD display
and LED
flashing
Battery is disconnected
Check if battery wires are
connected well
