Apc smart ups 420 service manual




















If either HID or this driver does not display, proceed with the steps below. Consult your computer documentation for details on how to enable the USB Port. If your installation includes a USB hub a device that multiplies the number of USB ports available , and the UPS is plugged into it, check that the hub is receiving power.

If an upstream device is not communicating, any device downstream possibly may not communicate either. Remove the device that is not communicating and see if that has any effect. When running the installer, the UPS must be added manually. Additional Windows Troubleshooting Information 1.

Once you have followed the steps outlined in the Troubleshooting sections above, stop and restart the PowerChute Business Edition Agent. If the system is still unable to communicate, proceed to the next step. Except for the battery, the unit contains no user serviceable parts.

Repairs are performed only by factory trained service personnel. Dispose of the batteries properly. The batteries contain lead and pose a hazard to the environment and human health if not disposed of properly. Refer to local codes for proper disposal requirements or return the battery to a factory authorized service center.

See the instructions with the new battery for more information. The batteries may explode. They contain an electrolyte which is toxic and harmful to the skin and eyes. Use tools with insulated handles. See your dealer or call the number at the front of this manual for information on replacement battery kits. Battery replacement is a safe procedure, isolated from electrical hazards.

You may leave the UPS and loads on for the following procedure. Lay the UPS on its left side. Remove the two screws holding on the battery door and open the door. Gently pull out the battery by grasping the white tab. Disconnect the two wires connecting the battery to the UPS.

Loosen the wires by gently wiggling them while pulling straight back from the battery connector. Connect the new battery in place of the old. Note: Small sparks at the battery connections are normal during connection. Replace the new battery in the UPS. Use care to avoid pinching the wires. Close the battery compartment door and replace the screws. Dispose of the old battery properly at an appropriate recycling facility or return it to the supplier in the packing material for the new battery.

See the new battery instructions for more information. Grasp the top of the front cover and tilt it out and down. Unhook the bottom of the cover from the chassis and lift it upward to expose the battery door. Be careful not to strain the ribbon cable. Do not touch the exposed printed circuit board. Use a screwdriver or a coin to remove the two battery door screws and open the door.

Grasp the tab and gently pull the battery out of the UPS. Disconnect the battery leads. Pull the two gray couplers apart to disconnect the battery. Connect the battery leads to the new battery. Note: Small sparks at the battery connectors are normal during battery connection. Slide the battery into the UPS, close the battery door, replace the battery compartment screws, and replace the front cover.

Store the UPS covered and upright in a cool, dry location, with its battery fully charged. Before storing, charge the UPS for at least 4 hours. Disconnect any cables connected to the computer interface port to avoid unnecessarily draining the battery. Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox.

Please check your email for further instructions. Enter a new password. Ballybritt Business Park Galway Ireland. Battery Replacement How to Determine On-battery Run Time Introduction 1. Please save the packaging materials! Shielded communications interface cables must be used with this product. Power Management Software This UPS offers advanced features when connected via the computer interface to a device using power management software.

Presentation 3. Installation To obtain warranty coverage fill out and return the warranty registration card now. Sensitive information systems can be further safeguarded by following these guidelines: n Verify that all electrical outlets are properly grounded.

Operation 5. Alarms 6. Options 7. If very dim or off, have the utility voltage checked. Disconnect the computer interface or accessory. UPS will not turn on or off. Computer interface or If the UPS now works normally, check the accessory problem.

UPS operates on-battery even UPS's input circuit breaker Reduce the load on the UPS by unplugging though normal line voltage is equipment and reset the circuit breaker by thought to exist.

UPS beeps occasionally. Normal UPS operation. The UPS is protecting the load. Charge the battery. The UPS's batteries require recharging after an extended outage. Batteries age The UPS's battery is weak due faster when put into service often and when operated at elevated temperatures.

If the battery UPS does not provide to recent outage or is near the is near the end of its service life, consider end of its service life. The UPS is overloaded. Unplug less needed equipment, such as printers. The UPS will restart automatically when utility power returns. Power protection for entry-level servers, voice and data networks Brings Smart-UPS reliability to entry-level applications. Audible alarms Actively let you know if the unit is on battery, if the battery is low or if there is an overload condition.

Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Predictive failure notification Provides early-warning fault analysis on batteries enabling timely preventive maintenance LED status indicators Enables quick understanding and response to visual indicators showing UPS status. User-replaceable batteries Battery replacement is simple and safe, and can be performed by the end-user.

A technician is not required to replace the PowerShield battery Adjustable voltage-transfer points Maximizes useful battery life by widening the input voltage window or tightening the output voltage regulation. Safety-agency approved Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment.

Availability Dataline Surge Protection Provides protection of connected equipment from power surges on the data lines. Power conditioning Protects connected loads from surges, spikes, lightning, and other power disturbances. Intelligent battery management Maximizes battery performance, life, and reliability through intelligent, precision charging.



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