21
General Specification
Safety Certification
CE
Operating Environment
0°C to 50°C; 5% to 95% non-condensing
Altitude, operational
Elevation: 0~1500 Meters
Storage temperature
-15°C ~ 60°C
Troubleshooting
Problem
Possible Causes
Remedy
No LCD display
1. Battery weak
1. Re-charge battery
2. Battery defective (can't be
charged)
2. Battery replacement
3. Power switch is not
pressed
3. Press and hold power switch
4. Battery polarity reversed,
can’t start up the unit
4. Contact dealer or supplier for service
Mains normal
but works in
inverter mode
1. AC Input is missing
1. Check AC input connection
2. Input protector tripped off
2. Reset the input protector
PV input
normal but
works in
inverter mode
1.PV weak
1.Check PV power or reduce loading
2.PV input is missing
2.Check PV input connection
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 SMAX
3000/5000model (fault
code: F7)
8. Check the AC Input and output wire
connection
Содержание SMAX 3000
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