Table 16. Typical Alarms and Conditions (continued)
Alarm or Condition | Possible Cause | Action | ||
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Output Overload | The load level is at or has | The UPS can support the load indefinitely at | ||
(Alarm 25) | exceeded the configurable | this load level. | ||
threshold limit for a Level 1 |
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Continuous Alarm | The alarm clears when the load drops below | |||
Overload condition. | ||||
5% of the set point. | ||||
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Output Overload Level 2 | The load level is >101% and | Remove some of the equipment from the | ||
(Alarm 159) | <110% of the UPS rating. | UPS. The UPS continues to operate, but | ||
| transfers to Fault mode in two minutes. | |||
Continuous Alarm |
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| The alarm clears when the load drops below | |||
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| 5% of the set point. | |
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Output Overload Level 3 | The load is >110% of the UPS | Remove some of the equipment from the | ||
(Alarm 162) | rating. | UPS. The UPS continues to operate, but | ||
| transfers to Fault mode in 300 ms to one | |||
Continuous Alarm |
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| second. | |||
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| The alarm clears when the load drops below | |
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| 5% of the set point. | |
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Battery DC Over Voltage | Battery voltage levels have | The UPS turns off the charger until the next | ||
(Alarm 68) | exceeded the maximum | power recycle. Contact your service | ||
allowable limits. | representative. | |||
Continuous Alarm | ||||
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Charger Failure | A battery charger fault has been | The UPS turns off the charger until the next | ||
(Alarm 34) | detected. | power recycle. Contact your service | ||
| representative. | |||
Continuous Alarm |
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Inverter AC Over Voltage | The UPS has detected | The UPS transfers to Bypass mode if | ||
(Alarm 0) | abnormally high inverter | supporting the load. | ||
voltage levels. |
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Continuous Alarm |
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Inverter AC Under Voltage | The UPS has detected | The UPS transfers to Bypass mode if | ||
(Alarm 1) | abnormally low inverter voltage | supporting the load. | ||
levels. |
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Continuous Alarm |
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Rectifier Input Over Current | The UPS has detected that | The UPS transfers to Bypass mode if | ||
(Alarm 26) | rectifier input current limits | supporting the load. | ||
have been exceeded. |
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Continuous Alarm |
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Inverter Output Over | The UPS has detected that the | The UPS transfers to Bypass mode if | ||
Current | inverter output current limits | supporting the load. | ||
(Alarm 27) | have been exceeded. |
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Continuous Alarm |
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70 | Troubleshooting |
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