How Reset APC UPS After Battery Replacement?
An APC UPS has one or more internal batteries that are the heart of the device. Those batteries must be replaced after a few years to ensure that the UPS can function as it should. However, there are situations where you’ll need to reset the UPS after a battery replacement.
You can reset an APC UPS after a battery replacement by performing a logic reset. That involves disconnecting the battery inside the UPS and pressing the OFF button for 5 seconds. First, of course, you’ll need to disconnect the UPS from any incoming or outgoing power sources and remove the covers to access the battery.
Resetting an APC UPS after a battery replacement is a very straightforward task. However, it involves accessing the insides of the UPS unit, which can be risky. This guide will explain how that task should be done, one step at a time.
How Do You Perform A Logic Reset On An APC UPS?
You might find yourself in a situation where the APC UPS fails to detect the new battery after you’ve performed a battery replacement. In that case, you’ll have to complete a logic reset on the device by following these steps:
Step 1: Power Off And Unplug
When starting the reset process, you must first disconnect any device placing a load on the UPS. That means you must unplug all devices you’ve plugged into the UPS.
Once the load is disconnected, you can power the UPS off and disconnect its plug from the wall socket.
There must be no incoming or outgoing power during the reset process.
Step 2: Remove Front Cover
Next, remove the front cover of your APC UPS unit. Depending on the model design, you might have to unthread some screws or undo tabs holding the cover in place.
If you’re unsure, refer to the user manual. The manual will have diagrams to help you understand how to undo and remove the front cover.
The front cover is usually connected to the rest of the unit with an electrical cable. So, remove the cover gently and place it on top of the UPS casing.
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Step 3: Remove Battery Cover
After you remove the front cover, you’ll find that there’s a second cover inside it. The cover is a metal plate that’s there to protect the battery inside, and it’s secured with several screws.
Unthread those screws and remove the metal plate.
Step 4: Remove And Disconnect Battery
Removing the battery cover gives you access to the internal section of the UPS. That will allow you to slide the battery out.
From there, you can undo the connector that connects the battery to the other UPS components.
Step 5: Press Off Button
Here’s one of the most crucial steps in this reset process, with the FOCUS on the front cover you removed earlier in Step 2.
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Press and hold the OFF button for 5 seconds. Unfortunately, there will be no prompt, sound, or notification that you’ve held the button for long enough. So, you’ll have to count to 5 by yourself.
Step 6: Reconnect The Battery
After those five seconds pass, you can then reattach the battery connector. Check to ensure that the connection is firm and not loose.
Doing that will prevent the connector from coming undone by itself after you’ve installed the battery and reattached the covers.
Step 7: Replace Battery And Front Covers
Finally, slide the battery back into the UPS casing. Then, you can reattach the battery cover and the front cover securely.
Step 8: Test The UPS
After completing the UPS logic reset, you should test the UPS to ensure that it works correctly. Reconnect your UPS to the wall socket and do the same with the devices plugged into your UPS.
Then, power up the unit and check for any signs of errors or problems. importantly, ensure that the new battery replacement is charging as it should.
Another final step you can take is to run a self-test on your APC UPS. The next section will show you how to do just that.
Smart-UPS APCRBC152 APC Replacement Battery Cartridge Installation Guide
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Smart-UPS APCRBC152 APC Replacement Battery Cartridge Installation Guide
Safety Messages
Read the instructions carefully to become familiar with the equipment before trying to install, operate, service or maintain it. The following special messages may appear throughout this manual or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.
The addition of this symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed.
This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
CAUTIONCAUTION indicates a potentially hazardous situation which, if not avoided, can result in minor or moderate injury.
CAUTIONCAUTION addresses practices not related to physical injury including certain environmental hazards, potential damage or loss of data.
Safety and General Information
Inspect the package contents upon receipt.Notify the carrier and dealer if there is any damage.
- Adhere to all local and national electrical codes.
- Always recycle used batteries.For information on recycling used battery modules, refer to the Battery Disposal Information sheet included with the replacement battery module.
- Recycle the package materials or save them for reuse.
Battery safety
- Before installing or replacing the batteries, remove jewelry such as wristwatches and rings.High short circuit current through conductive materials could cause severe burns.
- Do not dispose of batteries by burning them. The batteries may explode.
- Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes, and may be toxic.
Replace Battery Modules
CAUTIONDAMAGE TO EQUIPMENT OR PERSONNEL
- The equipment is heavy. Each APCRBC152 battery module weighs 15.3 kg (33.7 lb) and each APCRBC141 battery module weighs 11.7 kg (25.8 lb).
- Always practice safe lifting techniques adequate for the weight of the equipment.
- Adhere to all local and national electrical codes.
- Use the battery model handle to slide the battery modules in and out of the UPS and external battery pack (XLBP).
- Do not use the handle to lift or carry the battery module.
- When replacing the battery modules, replace with the same type of battery modules.
Failure to follow these instructions can result in equipment damage and minor or moderate injury.
Note: The batteries will charge to 90% capacity in the first three hours of operation on utility power. Do not expect full runtime capability during this initial charge period.
SRT2200XLx/SRT2200RMXLx/SRT3000XLx/SRT3000RMXLx UPS models
Documents / Resources
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APCRBC170 Smart-UPS RT Replacement Battery Module Important Safety Instructions Read the instructions carefully and look at the equipment…
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Removing the worn-out batteries from the UPS
Before you loosen even a single screw on your device, make sure that it is no longer connected to the mains. Also disconnect all loads from the UPS. As a rule, your device should also have a fuse, usually accessible from the back, with which you can disconnect the batteries from the UPS. In our case (with an APC UPS), this is the yellow flap on the back.
This can be levered out without much effort (or with an insulated screwdriver if necessary). To prevent it from snapping back in unintentionally, you can clamp it slightly above the case.
After that, you need access to the batteries themselves. On most models, these are easily accessible. Normally, you don’t have to disassemble the entire UPS, but only remove the front cover, for example. This has the advantage that you won’t break any warranty seals, since the replacement is provided for by the manufacturer.
To open the case, you might also have to remove the front to uncover further screw connections. In our case, the affected side panels also had retaining lugs that we had to loosen with a flathead screwdriver.
Once you have uncovered the battery(ies), you can carefully loosen the clamps or disconnect the cables. As with a car, disconnect the negative terminal first, then the positive terminal – i.e. black first, then red.
If there are several batteries in the case, you also have to loosen the connecting bridges between the individual batteries and make sure that the poles do not touch each other or other metallic surfaces. There is a short-circuit and subsequent fire hazard – so it is better to approach the matter carefully.
Insert and connect new batteries
As soon as you have removed the old batteries, you can insert the new ones into the case. It’s best to take the old ones to the recycling center. If you have a model with only one battery, you can put the new one back into the case in the same way as the old one was installed. However, this is not always the case. Even less powerful models use a 24-volt system and therefore contain two batteries connected in series. In this situation, it makes the most sense to stick the two batteries together using double-sided adhesive tape or something similar. You will find that the manufacturer did the same with the discarded battery pack. Tape them side by side, so that you can connect the inside plus pole with the inside minus pole with the connecting bridge.
Now it’s time to fit the double pack into the device without damaging various components or connection cables. The weight of the battery doesn’t necessarily make this process easier. But once the battery pack is finally in place, you can continue with the connection to the UPS.
In reverse order, you should first connect the plus pole (red) and then the minus pole (black) to the outer terminals of the battery pack or the individual battery. Make sure to use the correct poles and check two or three times. Then check all connections to the batteries again for tightness. Finally, reassemble the housing in reverse order.
Commissioning and test run after battery replacement
Now you can put the fuse back into the device. It is best to do this with a single firm push, so that the component sits as quickly as possible where it should. Otherwise, sparks can occur.
Before you reconnect your holy hardware to the uninterruptible power supply, do a test run first. Most models can be activated without power. Connect a not too power hungry consumer, like your desk lamp and activate the UPS. After a self-test, the battery should now power your lamp. Now connect the UPS to the mains. Now the battery(ies) should be charged and the device should work as usual.
You can also check the status of many UPSs via network or USB cable and view various parameters about the status. However, you might need an app from the manufacturer for that. Otherwise, you only have the status LEDs or acoustic warnings, which you have to interpret first. If necessary, you can take a look at the user manual or search for information on the Internet or on the manufacturer’s website.