7.1 Troubleshooting Chart

Problem

Possible Cause

Action to Take

 

 

 

 

The UPS’s input circuit breaker is tripped

Reduce the load on the UPS by unplugging

 

(1/2 of handle is down).

equipment and reset the circuit breaker.

 

 

 

UPS will not turn on.

EU separating screw is loose.

Tighten the EU separating screw (do not

 

overtighten).

 

 

 

 

 

 

Circuit closure present at the Emergency

Check the EPO connections. See section

 

Power Off interface.

4.7.

 

 

 

 

 

Test the line voltage with the UPS voltage

 

Very high line voltage.

meter (see section 5.2.4). If necessary,

 

adjust the UPS upper transfer voltage (see

UPS operates on-battery even

 

 

section 5.2.5).

though normal utility voltage is

 

 

 

Inexpensive fuel powered generators can

thought to exist.

 

 

Highly distorted line voltage.

cause distorted line voltages. Desensitize

 

the UPS to the distortion (see section

 

 

 

 

5.2.5).

 

 

 

UPS beeps occasionally.

This is normal.

None. The UPS is protecting the loads.

 

 

 

 

The UPS’s batteries are discharged from

None. The UPS’s batteries require

 

recharging after extended or successive

 

recent utility outage.

UPS does not provide expected

outages.

 

 

 

back up time.

The UPS’s batteries are weak due to age

The batteries wear faster when put into

 

 

service often and when operated at

 

or wear.

 

elevated temperatures.

 

 

 

 

 

UPS display shows "No Battery

One or more battery pack cables is not

Check connections to and from each

Communication".

properly connected.

battery pack and the EU. See section 4.6.

 

 

 

 

Battery pack coupler not properly mated

Check battery pack connections. See

UPS display shows "In Bypass

with the EU coupler.

section 4.5.

 

 

Mode Press Any Key".

Input circuit breaker cycled on-off-on too

Follow display prompts to return to normal

 

 

quickly.

on-lone operation.

 

 

 

UPS display shows "UPS in

The manual bypass switch at the rear of

Chage the switch setting to resume normal

BYPASS chk rear switch"

the EU is in the bypass position.

on-line operation.

 

 

 

Output voltage reading incorrectg

 

Change the output voltage reporting setup.

after installation of a new power

Output voltage reporting incorrectly set.

See section 5.2.6.

distribution plate.

 

 

 

 

 

 

 

Upper transfer voltage set higher than the

If necessary, change the upper transfer

Output voltage outside rated

factory setting.

voltage setting. See section 5.2.5.

 

 

The UPS has relaxed load voltage

Set the UPS’s utility failure sensitivity to

regulation band.

 

regulation to compensate for distorted or

"High" to maintain narrow band

 

fluctuating utility voltage.

regulation. See section 5.2.5.

 

 

 

The UPS does not power the load

 

Set the turn on delay to the desired value.

immediately following the return of

The turn on delay set to a non-zero value.

See section 5.2.6.

normal utility voltage.

 

 

 

 

 

 

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American Power Conversion MatrixTM UPS user manual Troubleshooting Chart
Page 27 Page 29

MatrixTM UPS specifications

American Power Conversion (APC), a leader in power management solutions, has developed the MatrixTM Uninterruptible Power Supply (UPS) system to meet the critical power needs of data center infrastructure. The MatrixTM UPS is designed for scalability, reliability, and efficiency, making it an ideal choice for organizations requiring robust backup power systems.

One of the main features of the MatrixTM UPS is its modular design, which allows for easy configuration and scalability. Organizations can start with a basic setup and expand capacity as needed, ensuring optimal utilization of resources. The system is available in various configurations, enabling customization according to specific power and environmental requirements. This modularity also facilitates easy maintenance and upgrades without significant downtime.

The MatrixTM UPS utilizes advanced technologies, such as dual conversion and intelligent battery management. The dual conversion technology ensures that power is provided in a clean and consistent manner, free from fluctuations and disturbances. Additionally, the system features an integrated battery management system that optimizes battery performance, extends lifespan, and enhances overall efficiency.

One of the standout characteristics of the MatrixTM UPS is its energy efficiency. With a high-efficiency rating, this UPS minimizes energy consumption during operation, which significantly reduces operational costs and contributes to a lower carbon footprint. This is particularly beneficial for businesses looking to adhere to sustainability goals while maintaining reliable power supply.

Another key feature is the intuitive user interface that simplifies monitoring and control. Users can easily access real-time information on power status, battery health, and operational efficiency through a graphical LCD. Remote management capabilities enable administrators to monitor the system from any location, providing added flexibility and ensuring quick response times in case of power issues.

The MatrixTM UPS also prioritizes redundancy, with features such as N+1 architecture, ensuring that backup power is reliable even in the event of component failure. This level of redundancy is crucial for mission-critical applications where power interruptions can lead to significant operational disruptions.

In summary, the American Power Conversion MatrixTM UPS stands out with its modular design, advanced technology, high energy efficiency, and user-friendly interface. These characteristics make it a reliable solution for businesses looking to ensure continuity of operations in an increasingly power-dependent environment. With its robust capabilities, the MatrixTM UPS positions itself as a cornerstone for effective power management in data centers and beyond.
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