Troubleshooting; Table 2 Led Indicators - Emerson GXT5000R-208 User Manual

This section presents various problems a user might encounter. Use this information to deter-
mine whether external factors cause the problem and how to remedy the situation.
1. The Fault LED will illuminate, indicating the UPS detected a problem.
2. An alarm will sound, alerting that the UPS requires attention.
3. One or more additional load/battery level LED indicators will be illuminated to provide a
diagnostic aid to the operator, as shown below:
Fault
LED
F
4. Record the LED condition and horn condition. Turn off the 30A AC input circuit breaker
on the rear of the UPS and restart the UPS based on the Operating Instructions in this
manual.
Table 2 LED indicators
LED status
All LEDs on AC input overvoltage
On bypass due to overtemperature condition until the UPS
cools, then re-transferring load to inverter.
A, F on
Or off due to very high temperatures.
D, F on Battery overvoltage
E, F on Battery mode overload
A, D, F on Inverter output short
Line LED Input AC present, but exceeds PFC input requirements
flashing (> 276 or < 170)
All battery Battery failure warning
capacity LEDs
flashing
B, C, F on EPO shutdown
Other Record condition of LEDs and horn. Contact Liebert technical
support.
If a problem persists, consult your local dealer, Liebert representative or the Liebert World-
wide Support Group—telephone numbers may be found on the back of this manual. Please
have the UPS model number and serial number available at the time of your inquiry.

TROUBLESHOOTING

A B
Diagnosis
22
C D E
Audible alarm
Continuous beep
Continuous beep
—
Continuous beep
Half-second beep
every 1 second
Continuous beep
—
Continuous beep
Continuous beep
—