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Fault Reference Code
Fault Code
01
Fan is locked when inverter is off.
02
Over temperature
03
Battery voltage is too high
04
Battery voltage is too low
Output short circuited or over temperature is detected
05
by internal converter components.
Output voltage is abnormal. (For 1K/2K/3K model)
06
Output voltage is too high. (For 4K/5K model)
07
Overload time out
08
Bus voltage is too high
09
Bus soft start failed
11
Main relay failed
51
Over current or surge
52
Bus voltage is too low
53
Inverter soft start failed
55
Over DC voltage in AC output
56
Battery connection is open
57
Current sensor failed
58
Output voltage is too low
NOTE: Fault codes 51, 52, 53, 55, 56, 57 and 58 are only available in 4K/5K model.
Warning Indicator
Warning
Code
Fan is locked when
01
inverter is on.
03
Battery is over-charged
04
Low battery
07
Overload
10
Output power derating
Fault Event
Warning Event
Audible Alarm
Beep three times every
second
Beep once every second
Beep once every second
Beep once every 0.5 second
Beep twice every 3 seconds
27
Icon on
Icon flashing
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