|
|
| Troubleshooting | |
|
|
|
| |
Table 6 | Troubleshooting table (continued) |
| ||
|
|
|
| |
| Problem | Cause | Solution | |
|
|
|
| |
|
| UPS failure (includes |
| |
Fault indicator and diagnostic | failure, | Ensure fan is not blocked up. If the fault is not removed, | ||
A and B indicators are | certain conditions and battery | contact your local dealer, Emerson representative or | ||
illuminated |
| charger failure) and continuous | Emerson Channel Support. | |
|
| alarm |
| |
|
| UPS detected a |
| |
|
| reversal or a loss of proper |
| |
|
| grounding for UPS; continuous |
| |
|
| horn and UPS cannot start up |
| |
|
| in standby status. This is active | Contact a qualified electrician to verify site wiring. | |
AC input indicator is flashing. | only when power is first | |||
|
| applied to the input. Once the |
| |
|
| UPS is running, the AC input |
| |
|
| indicator will flash, unless the |
| |
|
| input wiring is correctly |
| |
|
| changed. |
| |
|
|
| Check battery connections, completely power down and | |
|
| Battery source is not available; | restart UPS. | |
Battery indicator is flashing. | NOTE: If the battery circuit opens while the UPS is | |||
continuous horn. | ||||
|
| running, it will be detected when the next battery test is | ||
|
|
| ||
|
|
| performed. | |
|
|
|
| |
|
|
| The AC input powers the PFC input and serves as the | |
|
| Because the voltage or | bypass source. If the AC is present but the voltage or | |
Bypass indicator is flashing. | frequency is outside | frequency exceeds the acceptable range for safe | ||
acceptable limits, the bypass is | operation with a load, the bypass will be disabled and | |||
|
| |||
|
| disabled. | this indicator will flash, indicating that the bypass is | |
|
|
| unavailable. | |
When reporting a UPS issue to Emerson, include the UPS model and serial number. These are on the top panel of the Liebert® GXT3™.
33
