Alarm buzzer
beeps
continuously
1. Overload (fault code: F2)
1. Reduce loading so the loads’ capacity
is no larger than the upper limit
2. Output short-circuited
(fault code: F3)
2. Check wiring or remove abnormal load
3. Inverter over-temperature
(fault code: F5)
3. Check the ventilation at installed
location and make sure the air vent of
inverter is clear
4. Over charging (fault code:
F1)
4. Restart the unit, If the fault persists,
contact dealer or supplier for service.
5. Fan error (fault code: F4)
5. Check if the fan is blocked by
obstacle. if not, contact dealer or
supplier for service
6. DC voltage is under low
DC shut-down point (fault
code: F0)
6. Make sure mains is normal to
recharger the battery
7. Output abnormal (fault
code: F6)
7. Contact dealer or supplier for service
8. Back-EMF, only for
POWERBACK
PB3000S/5000model (fault
code: F7)
8. Check the AC Input and output wire
connection
9.SCC output over current
(fault code: F11)
9.Check wiring or remove abnormal load
10.SCC over temp(fault
code: F12)
10. Check the ventilation at installed
location and make sure the air vent of
inverter is clear
11.SCC Output over
voltage(fault code: F13)
11. Restart the unit. If the fault persists,
contact dealer or supplier for service
12.SCC PV input over
voltage (fault code: F14)
12.Check PV input voltage. If the voltage
is normal, contact dealer or supplier
for service
13.SCC Fan Fault (Only for
POWERBACK PB5000S)
(fault code: F15)
13. Check if the fan is blocked by
obstacle. if not, contact dealer or
supplier for service
Back up time is
shortened
1. Overload
1. Reduce the loading
2. Battery voltage is too low
2. Charge battery for 8 hours or more
3. Battery bank is too small
3. Increase battery bank capacity
Note:
If the unit fails to operate properly after installation and the setup has been
re-examined thoroughly, use the troubleshooting table to determine the probable
cause and remedy. For unlisted faults, please contact your local dealer or supplier
for service assistances.
