Operation
Table 7 | Alarms, functions, and corrective actions (continued) |
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Actual |
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Alarm/fault |
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Name |
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Displayed |
| Description | Fault |
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On Front |
| of Alarm/ | Or | Latch | Dial | Freeze | Event Log |
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Panel |
| Fault | Alarm | Mask | Mask | Mask | Mask | Meaning and Corrective Action(s) |
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| With the Batt Gnd Fault option installed and |
Batt Gnd |
| Battery ground | Alarm | NO | YES | NO | YES | the batt breaker closed, the DSP sees its |
Fault |
| fault alarm | BGF input asserted by the SWGR. No | |||||
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| action required. |
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Aux Ovtemp |
| Aux Overtemp |
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| With the Auxiliary temp sensor installed, it |
| Alarm | YES | YES | NO | YES | is reading 85% or more of the specified | ||
Warning |
| Warning | ||||||
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| Maximum Aux temperature set point value. | ||
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Batt Ovtemp |
| Battery |
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| With the battery breaker closed the battery |
| Overtemp | Alarm | NO | YES | NO | YES | has exceeded the “Battery Temperature | |
Warning |
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| Warning |
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| Alarm Threshold” set point value. | |
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| Sensors on the power semiconductor |
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| heatsinks detect temperatures above the |
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| steady state limits for these components. |
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| Heatsink |
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| The control logic sets off the alarm but does |
Heatsink |
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| not shut down the UPS module if the | |
| Overtemp | Alarm | NO | YES | NO | YES | ||
Ovtemp |
| condition lasts less than 10 minutes. Check | ||||||
| Warning |
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| the air intake, air exhaust, and filters. | |
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| Reduce the load or transfer it to bypass. |
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| Contact Liebert Global Services if the alarm |
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| persists. |
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| The intake air to the UPS module exceeds |
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| Inlet Air |
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| the specified maximum temperature. This |
Inlet Air |
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| condition only causes an alarm, but should | |
| Overtemp | Alarm | NO | YES | NO | YES | be corrected immediately to prevent | |
Ovtemp |
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| Warning |
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| equipment overheating. Check to make | |
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| sure nothing is blocking the inlet air and that |
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| the air filter is clean. |
Ups Ambient |
| UPS Ambient |
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| The Outlet air temperature has exceeded |
| Alarm | NO | YES | NO | YES | 85% of its “Maximum outlet air temperature” | ||
OvTemp |
| OvTemp | ||||||
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| limit. | ||
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| A fault in the designated Fan motor has |
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| occurred. This condition only causes an |
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| alarm, but if not promptly corrected it could |
Pwr pole Fan | Power pole | Alarm | NO | YES | NO | YES | cause an equipment | |
1 Fail |
| Fan 1 Fail | condition that would shut down the UPS | |||||
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| Module. Check the Fans for proper |
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| operation. Contact Liebert Global Services |
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| if you require assistance or to replace a fan. |
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| A fault in the designated Fan motor has |
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| occurred. This condition only causes an |
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| alarm, but if not promptly corrected it could |
Pwr pole Fan | Power pole | Alarm | NO | YES | NO | YES | cause an equipment | |
2 Fail |
| Fan 2 Fail | condition that would shut down the UPS | |||||
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| Module. Check the Fans for proper |
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| operation. Contact Liebert Global Services |
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| to replace a fan. |
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| A fault in the designated Fan motor has |
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| occurred. This condition only causes an |
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| alarm, but if not promptly corrected it could |
Pwr pole Fan | Power pole | Alarm | NO | YES | NO | YES | cause an equipment | |
3 Fail |
| Fan 3 Fail | condition that would shut down the UPS | |||||
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| Module. Check the Fans for proper |
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| operation. Contact Liebert Global Services |
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| to replace a fan. |
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