Fan is locked when inverter is off.
Battery voltage is too high
Battery voltage is too low
Output short circuited or over temperature is detected
by internal converter components.
Output voltage is abnormal. (For 1K/2K/3K model)
Output voltage is too high. (For 4K/5K model)
Inverter soft start failed
Over DC voltage in AC output
Battery connection is open
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
Fan is locked when
inverter is on.
Beep three times every
second
Beep once every 0.5 second
Beep twice every 3 seconds