Troubleshooting Chart
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 per- sists, refer to the chart below:
Problem | Cause | Solution | |
|
| Check the circuit protector on the side | |
UPS will not | Overload/ | of the UPS. If it is tripped, reset it and | |
restart the UPS. | |||
start | Short circuit | For further help, call your local dealer, | |
|
| Liebert representative or the Liebert | |
|
| Worldwide Support Group. | |
| UPS not plugged in | Plug in power cord securely. | |
| Circuit protector | Reset the circuit protector and restart | |
| tripped | the UPS. | |
| Power not available | Have the utility receptacle checked by | |
UPS starts | at utility receptacle | a qualified electrician. | |
on battery, | Input voltage below | Wait until the voltage rises to an | |
but will not | appropriate level or have the utility | ||
switch to AC | threshold | receptacle checked by a qualified | |
|
| electrician. | |
|
| Wait until voltage lowers to an | |
| AC overvoltage | appropriate level or have the utility | |
| receptacle checked by a qualified | ||
|
| ||
|
| electrician. | |
| Overload/ | Check the circuit protector on the rear | |
| Short circuit | of the UPS. If it is tripped, reset it and | |
|
| restart the UPS. | |
|
| ||
UPS shuts |
| If the problem persists, disconnect | |
| some of the equipment from your | ||
down, Fault |
| ||
Indicator lit | Internal UPS fault | equipment must not exceed the | |
|
| capacity of the UPS. For further help, | |
|
| call your local dealer, Liebert | |
|
| representative or the Liebert | |
|
| Worldwide Support Group. | |
Site Wiring |
| ||
Fault | Have the utility checked by a qualified | ||
reversal/Poor | |||
Indicator | electrician. | ||
ground connection | |||
illuminated |
| ||
|
| ||
UPS not | Overload | Reduce load. | |
providing | Battery not charged | Recharge battery. | |
expected | due to a recent | ||
backup time | outage |
|
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