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9
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7. MAINTENANCE AND CARE
7.1
Recharge the unit when the battery level
is below 40%.
7.2
Never completely discharge the internal
battery.
8. WARNINGS
WARNING
LCD DISPLAY
TIME
CAUSE
Alarm
LED
3 short beeps every
2 seconds, lasting 30
seconds
AC LED
blinking
Low battery icon flashes
for 30 seconds.
30 sec.
before
AC OFF
Economy mode.
Pre-alert for AC OFF.
3 short beeps every
2 seconds, lasting 30
seconds
N/A
Low battery icon flashes until
battery is charged above 10%.
30 sec.
before
DC OFF
Low battery capacity
mode.
Pre-alert for DC OFF.
Every 1 second
N/A
Warning icon flashes until fault is removed.
Charging fault.
Every 2 seconds
N/A
DC output fault
Every 3 seconds
N/A
AC output fault
Every 4 seconds
N/A
Over temperature
3 short beeps every
3 seconds.
N/A
Overload
9. TROUBLESHOOTING
PROBLEM
CAUSE
SOLUTION
Power-up failure
Under-voltage protection
Abnormal load protection
Damaged unit
Recharge unit.
Remove loads and recharge unit.
Contact customer service.
Charger fault
Unmatched charger
Damaged charger
Abnormal power supply or
connection
Use only the included charger.
Contact customer service for
replacement.
Reconnect the charger. If problem
persists, replace the charger.
Solar panel
charging fault
Over-current
Weak sunlight
Damaged solar panel
Abnormal wiring-harness
connection
Use only the recommended solar
panel.
Charge in a sunny place.
Replace the solar panel.
Reconnect the wiring-harness.
If problem persists, replace the
solar panel.
DC/AC output fault Battery under-voltage protection
Discharge over-current protection
Over-temperature protection
Damaged unit
Charge the unit.
Make sure loads are within allowed
range (total ≤500W).
Turn unit off, allow to cool down
and then restart.
Contact customer service.
