Powercom 425A 사용자 설명서

10. Troubleshooting
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On/off/test/silence
button not pushed or
push too short

Press the on/off/test/silence
button more than 1 second

Battery voltage less than
10V

Recharge the ups at least 4 hours

PCB failure

Replace the PCB, call for service

UPS not on
LED not light

Load less than 20W at
battery mode

Normal condition

Power cord lose

Replug the power cord

AC FUSE burn out

Replace the AC fuse

Line voltage too high, too
low or black out

Normal condition

UPS always at
battery mode

PCB failure

Replace PCB, call for service

battery not fully charged

Recharge the UPS at least 4 hours

Back up time
too short

PCB failure

Replace PCB, call for service

Buzzer
continuous
beeping

Overload

Remove the noncritical loads

RED LED light

Battery failure

Replace battery, call for service