The description of the following guideline may be helpful in problem solving.
1. LED and LCD status as below:
UPS STATUS: AC utility power is normal. UPS is running normally, but battery capacity is low
(referring to Battery Status Menu). Buzzer beeps once every second for battery low.
ACTION: Charger may broke down. Please replace charger board.
2. LED and LCD status as below:
UPS STATUS: AC utility power is normal. The output load is supplied through bypass of AC utility.
Fault LED lights up and buzzer beeps continuously.
ACTION: Please contact your agent for service.
3. LED and LCD status as below:
UPS STATUS: AC utility power is normal but UPS is overloaded. Warning LED lit up
and buzzer beeps per second.
ACTION: Please reduce the critical load to POWER(%)<100%.
4. LED and LCD status as below:
UPS STATUS: AC utility power is normal but UPS is overloaded up to 125%.
Warning LED does not fade out and buzzer beeps per 0.5 second.
ACTION: Please reduce the critical load to POWER(%)<100%.
5. LED and LCD status as below:
UPS STATUS: AC utility power is normal, but the load is supplied by AC utility power via bypass.
Output power is more than 150% (referring to the Output Power Menu).
Warning LED lit up and buzzer beeps continuously.
ACTION: Please reduce the critical load to POWER(%)<100%.
6. LED and LCD status as below:
UPS STATUS: AC utility power fails .The full load is supplied by battery power in UPS.
Buzzer alarm sounds every 4 seconds.
ACTION: If AC utility power fails, reduce the less critical load in order to extend backup time.
If it is not abnormal power failure, please check the rated input or connected line.
7. LED and LCD status as below:
UPS STATUS: AC utility fails. The load is supplied by UPS in backup mode,
and battery power is approaching low level. Buzzer alarm beeps every second.
ACTION: UPS will shut down automatically. Please save data soon.
8. LED and LCD status as below:
UPS STATUS: AC utility power fails and battery runs out. UPS has shut down automatically.
ACTION: UPS will restart up when AC utility power is restored. If AC utility power failure is more
than 6 hours, please follow storage instruction.
