TROUBLESHOOTING

The information below indicates various symptoms a user may encounter in the event the UPStation GXT 2U develops a problem. Use this informa- tion to determine whether external factors caused 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 illumi- nated to provide a diagnostic aid to the operator, as described below:

Fault

E

BYPASS

D

C

UPS ON

 

B BATTERY

A

AC

INPUT

This example shows the UPS

on bypass due to output overload.

A B C D E Fault

AC INPUT BATTERY UPS ON BYPASS

LOAD/BATTERY

LEVEL INDICATORS

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

On bypass due to control power supply failure; 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

Internal Battery source not available (continuous horn). Check

Flashing

battery connection, completely power down and reboot UPS.

AC LED

Line-to-neutral reversal in the AC input power supply or a loss of

Flashing

proper grounding; continuous horn and UPS will not start.

Bypass LED

Utility power voltage or frequency is out of tolerance; bypass is

Flashing

unavailable.

 

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Liebert 2700VA, 208V user manual Troubleshooting, LED status Diagnosis/Audible alarm

208V, 2700VA specifications

The Liebert 2700VA, 208V is a robust and reliable uninterruptible power supply (UPS) designed to protect critical electronic equipment from power disturbances. This UPS is ideal for various applications, including data centers, telecommunications, and manufacturing environments, ensuring that business continuity is maintained even in the face of power outages or fluctuations.

One of the primary features of the Liebert 2700VA is its high power rating of 2700VA, which makes it suitable for supporting a range of devices, from servers to sensitive electronic equipment. With a nominal output voltage of 208V, it meets the electrical requirements of many industrial and commercial systems, making it an adaptable choice for enterprises with diverse power needs.

The Liebert 2700VA is equipped with advanced technologies that enhance its performance and efficiency. The unit employs double-conversion online technology, which ensures that the output power is consistently clean and stable. This technology continuously converts incoming AC power into DC and then back to AC, providing a seamless transition to battery power during an outage, eliminating any momentary interruptions.

In terms of characteristics, the Liebert 2700VA features an LCD display that provides real-time information on the UPS’s status, including input/output voltage, load level, and battery condition. This user-friendly interface allows for easy monitoring and management, making it convenient for IT professionals to maintain optimal operations.

Another significant aspect of the Liebert 2700VA is its advanced battery management system. This feature optimizes battery performance and life by regulating charging cycles and ensuring that batteries are in peak condition when needed. Furthermore, the UPS offers multiple communication options, including USB and serial connectivity, enabling integration with monitoring software and allowing for remote management capabilities.

The Liebert 2700VA also comes equipped with a range of protection features, including overload protection, short-circuit protection, and surge suppression. These attributes safeguard connected equipment from electrical anomalies, providing peace of mind in environments where downtime can be costly.

In conclusion, the Liebert 2700VA, 208V is a powerful UPS solution that combines advanced technology with essential features, making it a crucial asset for businesses seeking reliable power protection. Its robust capabilities, user-friendly interface, and extensive protection measures position it as an ideal choice for ensuring operational continuity in various critical applications.