TROUBLESHOOTING
If the UPS fails to operate properly, turn off the unit and repeat the steps in the installation section of this manual. If the problem persists, refer to the chart below:
PROBLEM | CAUSE | SOLUTION |
UPS will not start | Overload/Short Circuit | Check fuse at rear of UPS. If blown, replace it |
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| and restart the UPS. For further help, call your |
|
| Liebert representative |
UPS starts on | UPS not plugged in | Plug in power cord securely |
battery, but will |
|
|
not switch to AC | Fuse blown | Replace fuse and restart UPS |
| ||
| Power not available at | Call a qualified electrician |
| utility receptacle |
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| Input voltage below | Wait until voltage rises to appropriate level |
| threshold | Voltage must be higher than 90 VAC |
| AC overvoltage | AC voltage must be less than 132 VAC |
UPS shuts down | Overload/Short Circuit | Check the fuse holder at rear of UPS. If fuse is |
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| blown, replace it and restart the UPS. If problem |
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| persists, disconnect some of the equipment from |
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| your UPS - the total wattage of your equipment |
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| may exceed the capacity of the UPS. For |
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| further help, call your Liebert representative |
| Low Battery | Turn OFF equipment and recharge UPS battery |
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| for at least 7 to 10 hours. If problem persists, |
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| contact your Liebert representative |
| Sitenet 1 Shutdown | Consult the Sitenet 1 User Manual or contact |
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| your LAN administrator |
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