Alarm conditions, Troubleshooting, Audible alarm conditions – Liebert GXT User Manual

Page 19

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19

AUDIBLE ALARM CONDITIONS

CONDITION

ALARM

Battery mode

(utility failure)

One short beep every ten seconds; more
than two minutes of run time remaining

Low battery

Two short beeps every five seconds; less
than two minutes of run time remaining

Output overload (bypass)

One short beep every half second

Over temperature (bypass)

One second beep every four seconds

DC Bus overvoltage (bypass)

One second beep every four seconds

Control power supply failure (bypass)

One second beep every four seconds

PFC failure (bypass)

One second beep every four seconds

Inverter failure

One second beep every four seconds

Battery Test failure

Two second beep every minute

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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