Troubleshooting
12.0TROUBLESHOOTING
The information below indicates various symptoms a user may encounter in the event the
1.The Fault indicator will illuminate, indicating the UPS detected a problem.
2.An alarm will sound, alerting that the UPS requires attention.
Fault
Example shows UPS on bypass because of output overload, signified by amber load indicator.
AC INPUT BA |
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3.3. One or more additional battery level LED indicators will be illuminated to provide a diagnostic aid to the operator, as described below:
Table 2 | Indicator meanings | ||
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LED status | Diagnosis/Audible alarm | ||
All LEDs |
| On bypass due to output overload; beep every | |
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A LED |
| On bypass due to overtemperature condition; beep every 4 sec. | |
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B LED |
| On bypass due to DC bus overvoltage; beep every 4 sec. | |
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C LED |
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D LED |
| On bypass due to PFC failure; beep every 4 sec. | |
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E LED |
| On bypass due to inverter failure; beep every 4 sec. | |
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A&C LEDs |
| UPS failed battery test; long beep every minute | |
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C&E LEDs |
| UPS shutdown due to command from communication port (SNMP); no beep | |
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Battery LED Flashing | Internal Battery source not available (continuous horn). Check Battery connection, | ||
completely power down and reboot UPS. | |||
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A&E LEDs |
| Fan locked | |
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B&C |
| REPO active. UPS cannot run with REPO loop open. | |
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B&D |
| UPS is OFF due to previous REPO shutdown. Autorestart disabled. | |
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D&E |
| Charger Malfunction | |
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Under fault conditions, the Fault indicators will be illuminated indefinitely while battery charger is operational, or for a maximum of 5 minutes while the battery charger is not operational.
If a problem persists, consult your local dealer, Liebert representative or contact the Liebert World- wide Support Group. Please have the UPS model number and serial number available at the time of your inquiry.
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