Liebert GXT2-6000RT230 User Manual download pdf (Page 31)

Troubleshooting

12.0 TROUBLESHOOTING

The information below indicates various symptoms a user may encounter in the event the UPStation

GXT2 develops a problem. Use this information to determine whether external factors caused the

problem and how to remedy the situation.

1. 1. The Fault indicator will illuminate, indicating the UPS detected a problem.

2. 2. An alarm will sound, alerting that the UPS requires attention.

3. 3. One or more additional battery level LED indicators will be illuminated to provide a diagnostic

aid to the operator, as described below:

Under fault conditions, the Fault indicators will be illuminated indefinitely while battery charger is

operational, or for a maximum of 5 minutes while the battery charger is not operational.

If a problem persists, consult your local dealer, Liebert representative or contact the Liebert World-

wide Support Group. Please have the UPS model number and serial number available at the time of

your inquiry.

Table 3 Indicator meanings

LED status Diagnosis/Audible alarm

All LEDs On bypass due to output overload; beep every half-second

A LED On bypass due to overtemperature condition; beep every 4 sec.

B LED On bypass due to DC bus overvoltage; beep every 4 sec.

C LED DC-DC failure during battery mode; beep every 4 sec.

D LED On bypass due to PFC failure; beep every 4 sec.

E LED On bypass due to inverter failure; beep every 4 sec.

A&C LEDs UPS failed battery test; long beep every minute

C&E LEDs UPS shutdown due to command from communication port (SNMP); no beep

Battery LED Flashing

Internal Battery source not available (continuous horn). Check Battery connection,

completely power down and reboot UPS.

A&E LEDs Fan locked

B&C REPO active. UPS cannot run with REPO loop open.

B&D UPS is OFF due to previous REPO shutdown. Autorestart disabled.

D&E Charger Malfunction

BAT

BYPASS

AC I NP UT

Fault

Example shows UPS

on bypass because

of output overload,

signified by amber

load indicator.

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Liebert GXT2-6000RT230 User Manual Page 31