Manuals / American Power Conversion / Computer Equipment / Power Supply

American Power Conversion 120VAC, SL-300TFX, SL 300TFX, SURT48XLBP, SSPCBE25, 230VAC Troubleshooting

Models: 1400VA XL SURT48XLBP SL 300TFX 120VAC SL-300TFX 100VAC 230VAC SSPCBE25

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7: TROUBLESHOOTING

Use the chart below to solve minor Smart-UPS installation and operation problems. Refer to the APC web site, www.apc.com, for assistance with complex UPS problems.

PROBLEM AND POSSIBLE CAUSE

 

SOLUTION

UPS WILL NOT TURN ON

 

 

button not pushed.

Press the

button once to power the UPS and the connected

 

equipment.

 

UPS not connected to utility power

Check that the power cable from the UPS to the utility power sup-

supply.

ply is securely connected at both ends.

UPS input circuit breaker tripped.

Reduce the load on the UPS by unplugging equipment and resetting

 

the circuit breaker (on the back of UPS) by pressing the plunger in.

Very low or no utility voltage.

Check the utility power supply to the UPS by plugging in a table

 

lamp. If the light is very dim, have the utility voltage checked.

Battery not connected properly.

Check that the battery connectors are fully engaged.

 

 

 

UPS WILL NOT TURN OFF

 

 

Internal UPS fault.

Do not attempt to use the UPS. Unplug the UPS and have it ser-

 

viced immediately.

 

 

UPS OPERATES ON BATTERY ALTHOUGH NORMAL LINE VOLTAGE EXISTS

UPS input circuit breaker tripped.

Reduce the load on the UPS by unplugging equipment and resetting

 

the circuit breaker (on the back of UPS) by pressing the plunger in.

Very high, low, or distorted line volt-

Move the UPS to a different outlet on a different circuit. Test the

age. Inexpensive fuel powered genera-

input voltage with the utility voltage display. If acceptable to the

tors can distort the voltage.

connected equipment, reduce the UPS sensitivity.

 

 

 

UPS BEEPS OCCASIONALLY

 

 

Normal UPS operation.

None. The UPS is protecting the connected equipment.

 

 

 

UPS DOES NOT PROVIDE EXPECTED BACKUP TIME

 

The UPS battery is weak due to a re-

Charge the battery. Batteries require recharging after extended out-

cent outage or is near the end of its

ages. They wear faster when put into service often or when oper-

service life.

ated at elevated temperatures. If the battery is near the end of its

 

service life, consider replacing the battery even if the replace bat-

 

tery LED LED is not yet lit.

 

 

ALL LEDS ARE LIT AND THE UPS EMITS A CONSTANT BEEPING

Internal UPS fault.

Do not attempt to use the UPS. Turn the UPS off and have it ser-

 

viced immediately.

The UPS is overloaded.

Check the UPS Load display. Unplug unnecessary equipment, such

 

as printers.

 

 

 

 

FRONT PANEL LEDS FLASH SEQUENTIALLY

 

The UPS has been shut down remotely

None. The UPS will restart automatically when utility power re-

through software or an optional acces-

turns.

 

sory card.

 

 

 

 

 

 

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American Power Conversion 120VAC, SL-300TFX, SL 300TFX, SURT48XLBP, SSPCBE25, 230VAC, 1400VA XL, 100VAC Troubleshooting
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1400VA XL, SURT48XLBP, SL 300TFX, 120VAC, SL-300TFX specifications

American Power Conversion (APC) has long been renowned for its commitment to providing reliable power protection solutions. One of their well-regarded offerings is the APC 750VA, 100VAC Uninterruptible Power Supply (UPS). This model is designed to safeguard sensitive electronic equipment from power disturbances while ensuring continuous operation during outages.

The APC 750VA, 100VAC UPS is built to accommodate the power requirements of small networks, home office setups, and personal use. With a 750VA power capacity, it provides essential support for a variety of devices, including computers, networking equipment, and peripherals, ensuring that they remain operational during unexpected power interruptions.

One of the standout features of this APC model is its sine wave output. Unlike traditional modified sine wave outputs, sine wave technology delivers a smoother waveform, which is less stressful on connected devices, improving their longevity and performance. The UPS also includes automatic voltage regulation (AVR) that stabilizes voltage levels by correcting minor power fluctuations without switching to battery mode, thereby extending battery life and reducing unnecessary wear.

The unit also boasts several communication options. It features USB and serial ports that allow for easy connection to management software, enabling users to monitor power usage and battery health. The built-in alarm systems similarly notify users of power disturbances or battery failure, providing critical alerts that facilitate timely interventions.

Another notable characteristic of the APC 750VA UPS is its compact form factor, making it easy to position within home or office environments without consuming much space. The design is also user-friendly, featuring a clear LED display that shows battery status, load level, and overall health status at a glance.

In terms of battery characteristics, the UPS uses sealed lead-acid batteries that are user-replaceable, simplifying maintenance and ensuring that the system continues to operate effectively over the years. The battery runtime is adjustable, allowing users to choose between higher performance for critical devices or extended backup time for non-essential devices.

Overall, the APC 750VA, 100VAC UPS is a versatile and robust power protection solution, blending innovative technology with practical design elements to meet the diverse needs of users in a variety of settings. With its reliable performance, advanced features, and user-friendly interface, it has become an essential component for ensuring continuous power availability and protecting valuable electronics.