Troubleshooting Guide (Continued)

Problem

Cause

Solution

 

 

 

Fault and Bypass

UPS overloaded or load

Check load level display

indicator LEDs

equipment is faulty.

and remove non-essential

and all load level

 

loads. Recalculate the load

LEDs are

 

and reduce number of loads

illuminated.

 

connected to UPS. Check

 

 

load equipment for faults.

 

 

 

Fault and Bypass

UPS internal fan has a

Ensure UPS is not

indicator LEDs

problem or UPS shutdown

overloaded, ventilation

and diagnostic

due to temperature

openings not blocked, or

LED A are

condition. Load is on bypass

room ambient temperature

illuminated.

power.

is not excessive. Wait 30

 

 

minutes to allow UPS to

 

 

cool, then restart UPS. If

 

 

UPS does not restart,

 

 

contact your local dealer,

 

 

Liebert representative or the

 

 

Liebert Worldwide Support

 

 

Group.

 

 

 

Fault and Bypass

UPS internal DC bus

UPS requires service.

indicator LEDs

overvoltage.

Contact your local dealer,

and diagnostic

 

Liebert representative or the

LED B are

 

Liebert Worldwide Support

illuminated.

 

Group.

 

 

 

Fault and Bypass

UPS control power supply

UPS requires service.

indicator LEDs

fault.

Contact your local dealer,

and diagnostic

 

Liebert representative or the

LED C are

 

Liebert Worldwide Support

illuminated.

 

Group.

 

 

 

Fault and Bypass

UPS PFC (Power Factor

UPS requires service.

indicator LEDs

Correction Circuit) fault.

Contact your local dealer,

and diagnostic

 

Liebert representative or the

LED D are

 

Liebert Worldwide Support

illuminated.

 

Group.

 

 

 

Fault and Bypass

UPS inverter fault.

UPS requires service.

indicator LEDs

 

Contact your local dealer,

and diagnostic

 

Liebert Representative or

LED E are

 

the Liebert Worldwide

illuminated.

 

Support Group.

 

 

 

Fault indicator

UPS failed the battery test.

Replace batteries. Contact

LED and

 

your local dealer, Liebert

diagnostic LED A

 

representative or the Liebert

and C are

 

Worldwide Support Group.

illuminated.

 

 

 

 

 

27

Page 31
Image 31
Liebert 2700VA, 208V user manual Room ambient temperature

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.