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Troubleshooting
Table 3 | Troubleshooting guide (cont’d) |
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| Problem | Cause | Solution | |
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| If the charger is overvoltage, the UPS will shutdown. If the | |
Fault and LEDs D&E are |
| charger is undervoltage and the batteries are nearly depleted, | ||
Charger malfunction | this alarm will give a temporary warning before the UPS shuts | |||
Illuminated | ||||
| down. UPS requires service. Contact your local dealer, Liebert | |||
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| representative or Liebert Worldwide Support Group. | |
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| Check battery connections, completely power down and restart | |
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| UPS. | |
Battery LED is flashing. | Battery source is not | NOTE: If the battery circuit | ||
available; continuous horn. | opens while the UPS is running, | |||
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| it will be detected when the next | |
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| battery test is performed. |
Table 4 | Alarm conditions |
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Condition |
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Battery Mode (utility failure) | One short beep every 10 seconds: more than 2 minutes of run time remaining | ||
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Low Battery | Two short beeps every 5 seconds: less than 2 minutes of run time remaining | ||
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Output Overload (Bypass) | One short beep every half second | ||
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Overtemperature (Bypass) | A | ||
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DC Bus Overvoltage (Bypass) | A | ||
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A | |||
mode |
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PFC Failure (Bypass) | A | ||
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Inverter Failure | A | ||
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Battery Test Failure | A | ||
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Fan Locked | A | ||
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REPO Active | A | ||
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UPS OFF; Autorestart disabled | A | ||
from previous REPO shutdown | |||
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Charger Malfunction | A | ||
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33 | DISCONTINUED |
| PRODUCT |