Lapara 10KR User Manual - page 14
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LA-ON31-RACK
3.3. Audible Alarm
Description
Buzzer status
Muted
UPS status
Bypass mode
Beeping once every 2 minutes
Battery mode
Beeping once every 4 seconds
Fault mode
Beeping continuously
Yes
Warning
Overload
Beeping twice every second
Low battery
Battery unconnected
Over charge
EPO enable
Fan failure
Over temperature
Charger failure
L1 IP fuse broken
Battery fuse broken
Overload 3 times in 30min
IP Neutral loss
IP Phase abnormal
Converter current unbalanced
Inverter current unbalanced
Cover of maintain switch open
Different bypass situations in parallel system
Phase auto adapt failure
Beeping once every second
No
Fault
Bus start failure
Bus over
Bus under
Bus unbalance
Converter over current
Inverter soft start failure
High Inverter voltage
Low Inverter voltage
Inverter output short circuited
Negative power fault
Battery SCR short circuited
Inverter relay short circuited
Battery fuse broken in battery mode
Parallel communication failure
Parallel output current unbalanced
Over temperature
Overload
UPS Model abnormal
Continuously beeping
Yes
3.4. Single UPS Operation
1. Turn on the UPS with utility power supply (in AC mode)
1) After power supply is connected correctly, set the breaker of the battery pack at “ON” position (this step
is only available for long-run model). Then set the input breaker at “ON” position. At this time, the fan is
running and the UPS enter to power on mode for initialization, several seconds later, UPS operates in
Bypass mode and supplies power to the loads via the bypass.
The UPS is operating in Bypass mode.
NOTE:
When UPS is in Bypass mode, the output voltage will directly power from utility after you switch
on the input breaker. In Bypass mode, the load is not protected by UPS. To protect your precious devices,
you should turn on the UPS. Refer to next step.
2) Press and hold the “ON” button for 0.5s to turn on the UPS and the buzzer will beep once.
3) A few seconds later, the UPS will enter to AC mode. If the utility power is abnormal, the UPS will
operate in Battery mode without interruption.
NOTE:
When the UPS is running out battery, it will shut down automatically at Battery mode. When the utility
power is restored, the UPS will auto restart in AC mode.