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INSTALLATION AND OPERATING INSTRUCTIONS · HSI
EN
Buzzer beeps
continuously
and red LED is
on .
Fault code 07
Overload error . The
inverter is overload
110% and time is up .
Reduce the connected
load by switching off
some equipment .
Fault code 05
Output short circuit-
ed .
Check if wiring is con-
nected well and remove
abnormal load .
Internal temperature
of inverter compo-
nent is over 90 °C .
Check whether the air
flow of the unit is blocked
or whether the ambient
temperature is too high .
Fault code 02
Fault code 03
Battery is over
charged .
Return to repair center .
The battery voltage is
too high .
Check if spec and quantity
of batteries are meet re-
quirements .
Fault code 01
Fan fault .
Replace the fan .
Fault code
06/58
Output abnormal (In-
verter voltage below
than 202 Vac or is
higher than 253 Vac)
1 . Reduce the connected
load .
2 . Return to repair center
Fault code
08/09/53/57
Internal components
failed .
Return to repair center . .
Fault code 51
Over current or surge . Restart the unit, if the error
happens again, please
return to repair center .
Fault code 52
Bus voltage is too
low .
Fault code 55
Output voltage is
unbalanced .
Fault code 56
Battery is not con-
nected well or fuse is
burnt .
If the battery is connect-
ed well, please return to
repair center .
