Troubleshooting
9.0TROUBLESHOOTING
The information below indicates various symptoms a user may encounter if the Liebert PSI XR expe- riences a problem. See Table 9 for suggested solutions.
1.An alarm sounds, alerting that the UPS requires attention. The alarm can be silenced except for low battery, overload warning and fault.
2.One or more additional indicators will be illuminated to provide a diagnostic aid to the operator, as described below:
If the UPS fails to operate properly, turn Off the unit and repeat the steps in 3.0 - Installation. If the problem persists, refer to Table 9.
Table 9 |
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| Problem | Cause | Solution | |
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| Check the circuit breaker on the | |
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| rear of the UPS. | |
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| If it is tripped, reset it and restart the | |
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| Short circuit | UPS. For help, contact your local | |
UPS will not start |
| dealer, local Emerson | ||
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| representative or Channel Support | |
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| Applications. | |
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| Battery is disconnected or | Check for proper connection of | |
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| completely discharged | battery or batteries. | |
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| UPS not plugged in | Plug in the power cord securely. | |
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| Circuit breaker tripped | Reset the circuit breaker and restart | |
UPS starts on battery, but will not | the UPS. | |||
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switch to AC (dark start) |
| Wait until voltage drops to an | ||
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| AC overvoltage | appropriate level or have the utility | |
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| power checked by a properly | ||
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| trained and qualified electrician. | |
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| Short circuit or UPS output is | Remove the load and turn on the | |
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| UPS again. For help, contact your | ||
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| abnormal; LED 10 and LED 11 | ||
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| local dealer, local Emerson | ||
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| illuminate and sound audible | ||
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| representative or Channel Support | ||
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| alarm | ||
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| Applications. | ||
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| Check load level display and | |
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| Overload; LED 5 and LED 11 | remove nonessential loads. | |
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| Recalculate the load and reduce | ||
UPS shuts down | illuminate and sound audible | |||
equipment connected to UPS - the | ||||
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| alarm | ||
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| total wattage must not exceed the | ||
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| capacity of the UPS. | |
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| LED 3 and LED 11 illuminate and | Recharge the battery for 8 hours, | |
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| sound audible alarm | then turn ON the UPS. | |
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| Consult the Liebert MultiLink user | |
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| Liebert MultiLink software | manual or contact your LAN | |
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| administrator. | |
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| Site Wiring Fault, UPS detected a | Have the utility checked by a | |
Site Wiring Fault LED (LED 4) flashing | properly trained and qualified | |||
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| proper grounding. | electrician. | |
Battery weak LED (LED 3) flashing | Batteries weak | Recharge batteries. | ||
Batteries need to be replaced | Replace batteries. | |||
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NOTE
The
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