APC 110 VAC, SC620, 620 VA, 420 VA user manual Replace Battery LED is Illuminated

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PROBLEM AND/OR POSSIBLE

 

SOLUTION

CAUSE

 

 

THE OVERLOAD LED IS ILLUMINATED AND THE UPS EMITS A SUSTAINED ALARM TONE

The UPS is overloaded. The

 

The connected equipment exceeds the specified “maximum load.”

connected equipment is draw-

 

The alarm remains on until the overload is removed. Disconnect nonessen-

ing more VA than the UPS can

 

 

tial equipment from the UPS to eliminate the overload.

sustain.

 

 

The UPS continues to supply power as long as it is on-line and the circuit

 

 

 

 

breaker does not trip; the UPS will not provide power from batteries in the

 

 

event of a utility voltage interruption.

 

 

If a continuous overload occurs while the UPS is on battery, the unit turns

 

 

off output in order to protect the UPS from possible damage.

 

 

THE REPLACE BATTERY LED IS ILLUMINATED

Weak battery.

 

Allow the battery to recharge for 24 hours. Then, perform a self-test. If the

 

 

problem persists after recharging, replace the battery.

 

 

 

Failure of a battery self-test.

 

The UPS emits short beeps for one minute and the replace battery LED

 

 

illuminates. The UPS repeats the alarm every five hours. Perform the self-

 

 

test procedure after the battery has charged for 24 hours to confirm the

 

 

replace battery condition. The alarm stops and the LED clears if the battery

 

 

passes the self-test.

 

 

THE SITE WIRING FAULT LED ON THE REAR PANEL IS ILLUMINATED (110/120 V MODEL ONLY)

The UPS is plugged into an

 

Wiring faults detected include missing ground, hot-neutral polarity reversal,

improperly wired utility power

 

and overloaded neutral circuit.

outlet.

 

Contact a qualified electrician to correct the building wiring.

 

 

 

 

THE INPUT CIRCUIT BREAKER HAS TRIPPED

The UPS is overloaded. The

 

Reduce the load on the UPS by unplugging equipment. Press in the plunger

plunger on the circuit breaker

 

on the circuit breaker.

has popped out.

 

 

 

 

UPS OPERATES ON BATTERY ALTHOUGH UTILITY VOLTAGE EXISTS

The UPS input circuit breaker

 

To reduce the load on the UPS, unplug equipment and press in the plunger

has tripped.

 

on the circuit breaker.

 

 

 

The line voltage is very high,

 

Move the UPS to a different outlet on a different circuit, as inexpensive fuel

low or distorted.

 

powered generators may distort the voltage. If acceptable to the connected

 

 

equipment, reduce the UPS sensitivity (see User Configurable Items).

 

 

 

ON-LINE LED

 

 

There is no illumination.

 

The UPS is running on battery, or it must be turned on.

 

 

 

The LED is blinking.

 

The UPS is running an internal self-test.

 

 

 

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Contents APC Smart-UPSSC Page Position the UPS InstallationIntroduction UnpackRear Panels 110/120 230 Connect the BatteryConnect Equipment to the UPS Start UPStart the UPS Network ConnectorsConnect the UPS to the Network if Applicable Operation Front Display PanelUPS ID Upsiden User Configurable Items110/120 V model Storage Battery ReplacementStorage and Maintenance TROUBLESHOOTING, SHIPPING, and Service Replace Battery LED is Illuminated Contact Information Shipping and ServiceModels Regulatory and Warranty Information110/120 V models Limited Warranty
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420 VA, 620 VA, SC620, 110 VAC specifications

The APC 420 VA, RBC3, 1500 VA, and RBC4, 450 are essential components designed to provide reliable backup power and surge protection for critical electronic devices and systems. These products are crucial for both home and office environments, ensuring that sensitive equipment remains operational during power outages or fluctuations.

The APC 420 VA model is a compact uninterruptible power supply (UPS) designed for basic power protection, suitable for personal computers and home networks. It features a capacity of 420 VA, allowing users to safeguard essential devices against unexpected power interruptions. With its multiple output outlets, this UPS ensures that various devices can be connected simultaneously. One of the main highlights is its short recharge time, which guarantees that the unit is ready to provide backup power when needed.

The RBC3 battery is specifically designed for APC UPS systems, providing a reliable replacement option to ensure consistent performance. This RBC (Replacement Battery Cartridge) uses advanced sealed lead-acid technology that delivers a dependable power source. It is maintenance-free and designed for easy installation, making it a user-friendly choice for anyone needing to refresh their UPS capabilities.

Next, the APC 1500 VA is a more robust UPS unit, ideal for protecting critical devices in a business setting. With its higher capacity of 1500 VA, it offers longer backup times and the ability to connect more equipment. This model incorporates smart battery management technology that enhances battery health and longevity while providing real-time monitoring of power conditions.

The RBC4, rated at 450, complements the larger APC units, delivering reliable efficiency and performance. Like the RBC3, it features sealed lead-acid technology, ensuring safe and stable operation. This battery also boasts a long lifespan, minimizing the need for frequent replacements and contributing to lower operational costs.

In summary, the integration of the APC 420 VA, RBC3, 1500 VA, and RBC4, 450 presents an effective solution for anyone seeking reliable power protection. They offer essential features such as multiple outlets, advanced technology for optimal performance, and user-friendly maintenance options. Together, they cater to a wide range of applications, ensuring that users always have access to uninterrupted power whenever needed.
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