Troubleshooting

Table 3

Troubleshooting guide (cont’d)

 

 

 

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

 

If the charger is overvoltage, the UPS will shutdown. If the

Fault and LEDs D&E are

 

charger is undervoltage and the batteries are nearly depleted,

Charger malfunction

this alarm will give a temporary warning before the UPS shuts

Illuminated

 

down. UPS requires service. Contact your local dealer, Liebert

 

 

 

 

 

 

representative or Liebert Worldwide Support Group.

 

 

 

Check battery connections, completely power down and restart

 

 

 

UPS.

Battery LED is flashing.

Battery source is not

NOTE: If the battery circuit

available; continuous horn.

opens while the UPS is running,

 

 

 

 

 

it will be detected when the next

 

 

 

battery test is performed.

Table 4

Alarm conditions

 

 

 

 

Condition

 

Alarm

Battery Mode (utility failure)

One short beep every 10 seconds: more than 2 minutes of run time remaining

 

 

Low Battery

Two short beeps every 5 seconds: less than 2 minutes of run time remaining

 

 

Output Overload (Bypass)

One short beep every half second

 

 

Overtemperature (Bypass)

A one-second beep every 4 seconds

 

 

DC Bus Overvoltage (Bypass)

A one-second beep every 4 seconds

 

 

DC-DC failure during battery

A one-second beep every 4 seconds

mode

 

 

PFC Failure (Bypass)

A one-second beep every 4 seconds

 

 

Inverter Failure

A one-second beep every 4 seconds

 

 

Battery Test Failure

A two-second beep every 1 minute

 

 

Fan Locked

A one-second beep every 4 seconds

 

 

REPO Active

A 0.25-second beep every 0.25 seconds

 

 

UPS OFF; Autorestart disabled

A one-second beep every 4 seconds

from previous REPO shutdown

 

Charger Malfunction

A one-second beep every 4 seconds

 

 

 

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Liebert GXT2-6000RTL630 user manual Troubleshooting guide cont’d, Alarm conditions