Operation – Display Messages/Troubleshooting
Display Message | Meaning | Corrective Action |
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The UPS is in battery operation and | Shut down the system and the load | |
| the battery charge is low. | equipment or restore incoming volt- |
| Note: Runtime is limited in duration. | age. |
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Load Is No Longer | The load previously exceeded the | No is corrective action necessary. |
Above Alarm Threshold. | alarm threshold and the situation has |
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| been corrected either because the load |
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| decreased or the threshold was |
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| increased. |
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Load Power Is Above | The load has exceeded the user- | Option 1: Use the display interface to |
Alarm Limit. | specified load alarm threshold. | raise the alarm threshold. |
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| Option 2: Reduce the load. |
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Mains Not Available. | The frequency or voltage is out of | Correct the input voltage to provide |
Input Freq/Volt Out of | acceptable range for normal | acceptable voltage or frequency. |
Range. | operation. |
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Min Runtime Restored. | The system runtime dropped below | No corrective action is necessary. |
| the configured minimum and has |
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| been restored. Additional Battery |
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| Modules were installed, the existing |
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| Battery Modules were recharged, the |
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| load was reduced, or the threshold |
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| was decreased. |
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No Batteries Are | No battery power is available. | Check that batteries are inserted |
Connected. |
| properly. |
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Number of Battery | One or more battery modules were | No corrective action is necessary. |
Modules Decreased. | removed. |
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Number of Battery | One or more battery modules were | No corrective action is necessary. |
Modules Increased. | added. |
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Replace Batt(s). | One or more Battery Modules need | Refer to the Module Replacement |
| replacement (only applicable with | section for procedures. |
| internal batteries). |
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Runtime Is Below Alarm | The predicted runtime is lower than | Option 1: Allow the battery modules |
Threshold. | the | to recharge. |
| alarm threshold. Either the battery | Option 2: If possible, increase the |
| capacity has decreased, or the load | number of battery modules. |
| has increased. | Option 3: Reduce the load. |
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| Option 4: Decrease the alarm |
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| threshold. |
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| Contact APC Customer Support. |
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| See back cover. |
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Site Wiring Fault. | Wrong phase rotation on the input | An electrician should check that the |
| side. The UPS will continue to supply | UPS has been wired properly. |
| conditioned power, but bypass is |
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| unavailable. |
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