Troubleshooting
This section lists the status and alarm messages that the UPS might display. The messages are listed in alphabetical order, and a suggested corrective action is listed with each alarm message to help you troubleshoot problems.
Display messages
Display message | Meaning | Corrective action |
|
|
|
Automatic Self Test | The UPS has started | No corrective action necessary. |
Started. | battery test. |
|
|
|
|
Batt Temperature | The temperature of one or more bat- | Contact APC Customer Support. |
Exceeded Upper Limit. | tery units has exceeded system | See rear cover. |
| specifications. |
|
|
|
|
Battery | The battery voltage is too high and | Contact APC Customer Support. |
warning. | the charger has been deactivated. | See rear cover. |
|
|
|
Bypass Not Available | The frequency or voltage is out of | Correct the input voltage to provide |
Input Freq/Volt Out Of | acceptable range for bypass. This | acceptable voltage or frequency. |
Range. | message occurs when the UPS is |
|
| online, and indicates that the bypass |
|
| mode may not be available if |
|
| required. |
|
|
|
|
Discharged Battery. | The UPS is in battery operation and | No corrective action necessary. Shut |
| the battery charge is low. | down the system and the load |
| Note: Runtime is limited in duration. | equipment or restore incoming |
|
| voltage. |
|
|
|
Emergency PSU Fault. | Redundant Emergency Power Supply | Contact APC Customer Support. See |
| Unit (PSU) is not working. The UPS | rear cover. |
| will continue to work normally, but |
|
| the PSU should be replaced. |
|
|
|
|
EPO Activated. | Emergency Power Off Switch has | Deactivate Emergency Power Off |
| been activated. | Switch. |
|
|
|
Fan fault. | A fan has failed. | Contact APC Customer Support. See |
|
| rear cover. |
|
|
|
Int. Mech. Bypass | The internal mechanical switchgear is | No corrective action necessary. The |
Switch Closed. | closed. | UPS is in internal mechanical bypass |
|
| operation. |
|
|
|
Int. Mech. Bypass | The internal mechanical switchgear is | No corrective action necessary. |
Switch Open. | open. |
|
|
|
|
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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