YAMABISHI ALS Series, Инструкция по эксплуатации

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Problem Causes Solutions
Line LED flickers AC grounding wire abnormal Check grounding wire with
assistance of power engineering
service
After AC connected to UPS,
alarm sounds short and
fast beeps and UPS shut
down AC abnormal Check AC power
AC noise or environment
noise Check AC or battery wires After starting the UPS,
alarm sounds short beeps
continuously, then the UPS
shuts down
UPS PCB abnormal Call for service
Two short beep
continuously Bypass Operating Push the ON/OFF Key and change
to inverter operating
Long beep Due to over current, Bypass
Operating Reduce load, then it turns to
inverter operating automatically
Two short beep No AC input
DC mode Check AC power
Short beep continuously A few seconds later, DC mode
will finish. Shut down your device soon.
Three short beep AC power voltage abnormal. Check AC power
Four short beep AC power frequency
abnormal. Check AC power
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