Troubleshooting – Liebert 700-3000 VA User Manual

Page 23

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23

TROUBLESHOOTING

The information below indicates various symptoms a user may encounter in the
event the UPStation GXT™ develops a problem. Use this information to
determine whether external factors cause the problem and how to remedy the
situation.

1. The fault indicator 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 described below:

!

Fault

BYPASS

UPS

ON

BATTERY

AC

INPUT

E

D

C

B

A

Load / Battery
Level Indicators

All.

On bypass due to output overload (beep every half second)

A.

On bypass due to over temperature condition (beep every 4 seconds)

B.

On bypass due to DC bus overvoltage (beep every 4 seconds)

C.

On bypass due to control power supply failure (beep every 4 seconds)

D.

On bypass due to PFC failure (beep every 4 seconds)

E.

On bypass due to inverter failure (beep every 4 seconds)

A&C.

UPS failed battery test (long beep every minute)

C&E.

UPS shutdown due to command from communication port (SNMP); no beep

The fault indicators will be illuminated indefinitely while battery charger is
operational, or for a maximum of 5 minutes while battery charger is not
operational. If a problem persists consult your dealer, or contact Liebert
Technical Support (LTS). World Wide Technical Support numbers are located at
the end of this section.

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