Troubleshooting
11.0TROUBLESHOOTING
This section indicates various UPS symptoms a user may encounter and provides a troubleshooting guide in the event the UPS develops a problem. Use the following information to determine whether external factors caused the problem and how to remedy the situation.
11.1UPS Symptoms
The following symptoms indicate the Liebert® GXT3™ is malfunctioning:
•The relative indicators illuminate, indicating the UPS has detected a problem.
•An alarm buzzer sounds, alerting the user that the UPS requires attention.
11.1.1Indicators
In addition to the fault indicator being illuminated, one or more of LED segments of battery level indi- cator will also be illuminated to provide a diagnostic aid to the user, as shown in Figure 26. The descriptions are listed in Table 4.
Figure 26 Battery level indicator
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| A | B | C | D | E |
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Table 4 | Indicator descriptions |
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Indicator |
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| Diagnosis/Audible alarm |
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A - E |
| On bypass from output overload | |||||||
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A |
| On bypass due to overtemperature condition | |||||||
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B |
| On bypass due to DC bus overvoltage | |||||||
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C |
| On bypass due to DC/DC power supply failure | |||||||
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D |
| PFC failure |
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E |
| On bypass due to inverter failure | |||||||
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A&B |
| UPS Failure (includes | |||||||
| charger failure) and continuous alarm |
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A&C |
| UPS failed battery test | |||||||
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A&D |
| Maintance bypass switch on (continuous) |
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A&E |
| Bypass feedback |
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B&C |
| REPO (one | |||||||
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B&E |
| Short circuit on the output |
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C&E |
| UPS shutdown by command from communication (USB port or Liebert® IntelliSlot® port) (no | |||||||
| audible) |
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Utility LED flash |
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Battery Indicator | Internal battery source not available (continuous horn); check battery connection, power down | ||||||||
Flashing | and reboot UPS |
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Bypass Indicator | Utility power voltage or frequency is out of tolerance; bypass is unavailable | ||||||||
Flashing | |||||||||
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A - E indicators are shown in Figure 26 |
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