TROUBLESHOOTING, SHIPPING, and Service | APC 420 VA, SC620, 620 VA

6:TROUBLESHOOTING, SHIPPING, AND SERVICE

Use the chart below to solve minor UPS installation and operation problems. Refer to www.apc.com with complex UPS problems, and for battery runtime charts.

PROBLEM AND/OR POSSIBLE	SOLUTION
CAUSE
UPS WILL NOT TURN ON
UPS not connected to utility	Check that the power cord from the UPS to the utility power supply is se-
power supply.	curely connected at both ends.

Battery not connected prop-	Check that battery is properly connected.
erly.

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.

UPS WILL NOT TURN OFF
Internal UPS fault.	Do not attempt to use the UPS. Unplug the UPS, unplug the battery, and
	have it serviced immediately.

UPS BEEPS OCCASIONALLY
Normal operating UPS beeps	None. The UPS is protecting the connected equipment from occasional util-
when running on battery.	ity power irregularities.

UPS IS NOT PROVIDING EXPECTED BACKUP TIME
The UPS battery is weak due	Charge the battery. Batteries require recharging after extended outages, and
to a recent outage or is near	wear faster when frequently put into service or when operated at elevated
the end of the service life.	temperatures. If the battery is near the end of the service life, consider re-
	placing even if the replace battery LED is not yet illuminated.

ON-LINE AND OVERLOAD LEDS ARE FLASHING ALTERNATELY
The UPS was shut down	None. The UPS will restart when utility power returns.
through PowerChute Business
Edition software.

ALL LEDS ARE FLASHING OR ON-LINE AND ON-BATTERY LEDS ARE FLASHING
Internal UPS fault. The UPS	Do not attempt to use the UPS. Turn off the UPS, disconnect the battery, and
has shut down.	have it serviced immediately.

ALL LEDS ARE OFF AND THE UPS IS PLUGGED INTO A WALL OUTLET
The UPS is shut down or the	None. The UPS will return to normal operation when the power is restored
battery is discharged from an	and the battery has a sufficient charge.
extended outage.

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.