Troubleshooting - Powercom 325A User Manual

10. Troubleshooting

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PROBLEM POSSIBLE CAUSE
UPS not on On/off/test/silence
LED not light button not pushed or
push too short
Battery voltage less than
10V
PCB failure
Load less than 20W at
battery mode
UPS always at Power cord lose
battery mode
AC FUSE burn out
Line voltage too high, too
low or black out
PCB failure
Back up time battery not fully charged
too short
PCB failure
Buzzer Overload
continuous
beeping
RED LED light Battery failure
ACTION TO TAKE
Press the on/off/test/silence
button more than 1 second
Recharge the ups at least 4 hours
Replace the PCB, call for service
Normal condition
Replug the power cord
Replace the AC fuse
Normal condition
Replace PCB, call for service
Recharge the UPS at least 4 hours
Replace PCB, call for service
Remove the noncritical loads
Replace battery, call for service