Question about APC Back-UPS ES 350 - UPS ( external ) - 350 VA - UPS battery lead acid - 6 output connector(s) (NEWITEM13161548) UPS System

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Electrical noise i keep getting this alarm say i have a problem with electrical noise no other computer in our office has this problem i changed out the back up for a new one and im still having this problem i'm starting to think this model is defective POS also the backup doesnt kick in when it should even though the software says the battary is at 100% charged i have my electrical noise setting set to low and it still happends

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  • crusherc Feb 02, 2009

    I have several computers in my home office, none have any problems it's a farily new house, no electrical problems in over 3 years. All of the sudden, my Back-UPS ES 650 begins clicking on and off about every minute or so. Tech Support said to turn setting to low, didn't fix it. They've confirmed what I knew, the battery is still good, it keeps PC, monitor, speakers, router, etc running when unplugged from the wall. I don't know how else to keep the unit from constantly clicking over for no reason...nothing has changed in the environment electrically speaking.

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You have a loose ground on the outlet. check it out................

One other thing, you have bought the worst, cheapest design and the least protective product in the world without AVR technology.
I am a power quality engineer and I loath APC quality.

www.storminproteciton.com

check out some real UPS that might do better.

Posted on Sep 08, 2009

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Thank you for writing down what UPS it is and thanks for all the info you put on here. It help out a lot. If this is happing you might have a bad battery. Remember it only takes one bad one to fail. So if you can find the manual, note down how many times it beeps. In the back of the manual you will see, Troubleshooting Guide, there should be a section where you can decipher the beeps and it should tell you what alarm it is. Example 2 Beeps every 3 second intervals could indicate Low batteries, meaning your battery capacity is not at 100%. Need to replace the unit or the batteries. Again this an example. Also don't disconnect it unless you are ready to loose you power to whatever you are backing up. (Computers or printer, etc.) Not unless it doesn't matter what it's backing up.

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Glenn,

When was the last time you replaced the battery? That may be the cause.

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What fails usually is the battery, they just have a short life...So, they can be repaired, but most people replace, due to low cost to replace.

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If your unit is expensive, start testing, or send unit in. .....So, now what for your system? Again, replacement just works. You put the system down, replace the unit, power back on, and continue your life.

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1. Four beeps every 30seconds (On Battery LED will be illuminated)
This alarm indicates that the Battery PowerSupplied outlets are now supplying battery power as opposed to power from theutility. If the UPS determines that the input utility power is unsafe for yourcomputer equipment, the UPS will switch to battery power.
Note: Ifthe power disturbance is brief, you may only hear one or two beeps.

2. Continuous Beeping (On Battery LED will beilluminated)
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This alarm indicates the unit has detected anOverload condition after it has performed a self-test during start-up.

4. Continuous Two-Tone Beep
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5. Continuous Tone (On Battery LED will beflashing)
This alarm indicates that the battery-poweredoutlets are overloaded.

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The alarm is sounding because you have a low DC Buss. The alarm will go alarm will go away once the DC buss is at the min. threshold. Your batteries may be getting weak. Think about replacing

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1 Answer

SO bad, and a bad response... I have 2 UPCs one started beeping for no reason, and will not stop...even when plugged into the wall with the battery disconnected... The other one is still silent. SO the...


These beep error codes may help you.
1. Four beeps every 30 seconds (On Battery LEDwill be illuminated)
This alarm indicates that the Battery Power Suppliedoutlets are now supplying battery power as opposed to power from the utility.If the UPS determines that the input utility power is unsafe for your computerequipment, the UPS will switch to battery power.
Note: Ifthe power disturbance is brief, you may only hear one or two beeps.

2. Continuous Beeping (On Battery LED will beilluminated)
This alarm indicates that a Low Battery condition hasbeen reached and that the UPS will soon shutdown. Once the UPS transfers to OnBattery operation, it can only stay on battery for a limited amount of time.The UPS will sound this alarm about two minutes before the batteries aretotally exhausted. Once exhausted, the UPS will shutdown and turn off itsoutput power to your equipment. If you hear this tone you should immediatelyshutdown your computer to prevent data loss or corruption.

3. Continuous Beeps for 30 seconds (Back UPSOFFICE 250 and 280 ONLY)
This alarm indicates the unit has detected an Overloadcondition after it has performed a self-test during start-up.

4. Continuous Two-Tone Beep
This alarm indicates a severe Overload was detectedwhile the unit was on-battery operation. This tone will continue to sound untilthe unit shuts down.

5. Continuous Tone (On Battery LED will beflashing)
This alarm indicates that the battery-powered outletsare overloaded.

6. Continuous Tone (On Line and On Battery LEDsflashing) Back UPS OFFICE 350, 400, and 500 ONLY
This alarm indicates that an internal UPS fault hasoccurred.

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2 Answers

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1 Answer

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This alarm indicates that the Battery Power Supplied outlets are now supplying battery power as opposed to power from the utility. If the UPS determines that the input utility power is unsafe for your computer equipment, the UPS will switch to battery power.
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2. Continuous Beeping (On Battery LED will be illuminated)
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3. Continuous Beeps for 30 seconds (Back UPS OFFICE 250 and 280 ONLY)
This alarm indicates the unit has detected an Overload condition after it has performed a self-test during start-up.

4. Continuous Two-Tone Beep
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5. Continuous Tone (On Battery LED will be flashing)
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1 Answer

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Some UPS have "Battery backup" and "Surge only" outlets. I don't know if it is the case for your model. The "Surge only" outlets are not connected to the battery and will go off during a power outage. Make sure that the equipement that need to keep running during the outage are connected to the "Battery backup".

Important: Never connect a laser printer to the "Battery backup" outlets because to power draw is just too high.

Have you made sure that the battery is connected inside the UPS? (If the battery is user-replacable)

You may do a simple experiment. Connect you UPS you a wall outlet and plug a conventionnal lamp to a battery backup outlet. Then, unplug the UPS from the wall. If the light goes off, then you may have a problem with your UPS.

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