Table 5 | Alarm Messages |
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Alarm Message |
| Meaning | Corrective Action | |
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Alarm Event |
| The Input contact isolator allows the | Scroll through the alarm messages to | |
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| user to define events outside of the | determine which outside alarm has |
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| UPS that will cause an alarm to show | occurred. Correct the alarm source |
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| on the UPS. One of those events has | and the alarm message will clear. |
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| occurred. |
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Bad Connection |
| An internal connection between PC | Contact Liebert Global Services. | |
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| boards has come loose or is broken. |
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Battery Charger Inhibited: |
| The input contact isolator option has | This alarm normally comes when the | |
load above threshold |
| triggered inhibition of the battery | unit is being fed by an alternate | |
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| charger and the load is above the | source such as a generator. Battery |
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| threshold selected by the user to | charging has been temporarily |
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| inhibit battery charging. | inhibited to reduce the load on the |
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| secondary source. If the normal utility |
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| is supplying the load check the |
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| programming of the ICI option in the |
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| User’s Option Manual. If the unit is |
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| being temporarily supplied by a |
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| secondary source, try to reduce the |
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| load below that sources capacity so |
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| the system can resume charging. |
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| Contact Liebert Global Services if |
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| you have questions or problems. |
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Battery Test Failed |
| The battery test has detected a weak | If there is no charger alarm, then the | |
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| battery. | battery has either weak cells or loose |
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| connections. Contact Liebert Global |
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| Services for battery service. |
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Battery Voltage Unstable |
| A battery cell(s) is not functioning | Contact Liebert Global Services for | |
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| properly or battery system wiring is | battery service. |
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| loose. |
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Bypass |
| Bypass input is not stable. UPS | If the problem does not correct itself | |
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| inverter output is not synchronized | in 15 minutes contact Liebert Global |
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| with the input power. Automatic | Services. Check utility source. |
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| transfers to bypass are prohibited. |
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| This is usually a temporary condition. |
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Bypass Overload |
| An overload condition has exceeded | Correct the overload condition. Call | |
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| the capacity of the bypass. If not | Liebert Global Services if the |
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| corrected a fuse will blow resulting in | condition persists. |
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| a system shutdown. |
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Bypass Power Supply Failure |
| Control power is outside the | Contact Liebert Global Services. | |
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| acceptable limits. Bypass is not |
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| available. |
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Bypass SCR Short |
| The system has sensed unexpected | Contact Liebert Global Services. | |
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| input voltage. The UPS will transfer |
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| to bypass. |
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Bypass Sensing Failure |
| Unit will transfer to bypass due to an | Contact Liebert Global Services. | |
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| internal sensing failure. |
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Bypass Voltage |
| Input power voltage or frequency is | In this condition a manual transfer to | |
Out of Tolerance |
| outside of the specified tolerance. | bypass is not recommended because | |
Incorrect Bypass |
| Automatic transfers to bypass are | it will be a momentarily interrupted | |
| prohibited except in the case of | transfer. | ||
Input Frequency |
| inverter failure. |
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Can’t Execute Battery Test: |
| The battery has discharged too | No corrective action is required. The | |
Not Recharged |
| recently (within 72 hours of the | next scheduled battery test will be | |
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| scheduled test time). | performed. |
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52 Operation