Question about APC (br800) UPS System

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WHEN SWITCH ON THE UPS IS SHOW OVERLOAD AND GIVE BEEP CONTINEOUSL

I have a apc ups 800va when i switch ON it give beep and overload LED glown

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Posted on Jan 02, 2017

jvpacoin
  • 91 Answers

SOURCE: Overload light in APC RS 800 UPS

it seems that the inverter circuit of your UPS is dying. the solution here is you have to open up the UPS and check the inverter circuit. to make easier, check the power mosfet if its leaking.

Posted on Aug 14, 2009

  • 773 Answers

SOURCE: APC Back UPS RS-1000 Overload LED with beeping sound after on.

this indicates you have too many things plugged into it.

Posted on Nov 20, 2009

  • 35 Answers

SOURCE: brand new apc 900 ups and when plugged in it after

I bought an APC 900XS UPS for $10.00. at a garage sale. I know you’re going to tell me that you take a gamble at a garage sale whether it works or not.
Please do not try to fix the device unless you are qualified electronic technician. There is high voltage and high current that is very deadly.
Before plugging the UPS in I opened the battery compartment and found the positive lead off of the battery. Took the batteries out and measured the voltage on both batteries and I couldn’t believe it, they were both good. Well at least they measured the right voltage. There are two batteries, each one is 12vdc. The real test would be to put the batteries under a load.
I plugged it in and ran for about six hours than the "Overload" LED and alarm turned on. I didn't have anything plugged into it "AC". When I first plugged it in, in the beginning I noticed the fan was running by the sound of it. But later that evening about an hour after plugging it in the fan was off. Don’t know why unless there is a temperature monitoring circuit on that heat sink and the fan wasn’t needed? After opening the unit I found a component unsoldered at one end. It looks like a capacitor or a spark gap component across the AC line. I don’t think that’s original problem. Re-soldered the component back in place. Took the board completely out and unplugged all the connectors. Again, after talking the PCB out. I didn’t see anything damage / burned. Without a schematic diagram one really can’t troubleshoot. I did noticed that (small) fan was kind-a hard to move by hand. I applied an external 24 volts to the fan. It was almost drawing 0.120 amps. The fan is rated at 0.070 amps. Took the fan apart and applied Tri-Flow (oil) to both bearings. Now the current draw has lowered. I’m wondering if the PCB has a current monitor of the fan driver, if the fan is/or requiring too much current that the unit shuts down. That heat sink that the fan is on seems to not dissipate very much heat, if any. It seems the fan is an over kill. There is a temperatures sensor mounted to the heat sink, probably to monitor the temperature of the heat sink in case the fan stops. Temporally connected everything back together. Now it’s running fine, but time will tell whether it’s going to stay running. After running four hours without any alarms, I re-assembled the unit. It’s been two days and the fan is still running and without any alarms. I haven’t plugged the computer into it yet.

Posted on May 11, 2010

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2 Answers

Error light in my apc smart ups sc 1500va ups


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)
This alarm indicates that a Low Batterycondition has been reached and that the UPS will soon shutdown. Once the UPStransfers to On Battery operation, it can only stay on battery for a limitedamount of time. The UPS will sound this alarm about two minutes before thebatteries are totally exhausted. Once exhausted, the UPS will shutdown and turnoff its output power to your equipment. If you hear this tone you shouldimmediately shutdown your computer to prevent data loss or corruption.

3. Continuous Beeps for 30 seconds (BackUPS OFFICE 250 and 280 ONLY)
This alarm indicates the unit has detected anOverload condition after it has performed a self-test during start-up.

4. Continuous Two-Tone Beep
This alarm indicates a severe Overload wasdetected while the unit was on-battery operation. This tone will continue tosound until the unit shuts down.

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

6. Continuous Tone (On Line and On BatteryLEDs flashing) Back UPS OFFICE 350,400, and 500 ONLY
This alarm indicates that an internal UPS faulthas occurred.

Dec 08, 2011 | APC Smart-UPS SC 1500VA UPS System

1 Answer

APC 1100CI-IN UPS NOT EORING ON GENERETOR WHAT I DO? PLZ SEND SULATION E-MAIL singhpintu987@gmail.com


Hello Sing,

There is a possibility that your UPS doesn't like the voltage or frequency that the generator is feeding it. As per an APC knowledgebase article, the size of a generator should be 3 to 5 times higher that the total Watt/VA load that it would be supporting.

There are also instances wherein the sensitivity threshold of an APC BackUPS is set too high that a slight change in voltage/sensitivity would cause the unit to switch from online to on battery too frequently. This can be addressed by lowering the sensitivity either by their APC PowerChute Personal Edition Software or via the front panel switch.

If you are going to do it via the software, it needs to be installed on your computer. Prior to downloading it, make sure that your operating system is compatible with it. Suppose that your operating system is compatible, once the program is installed you will need to open it up and look for the Sensitivity option and from there you could select Low, Medium or High.

If you are going to do it via the front panel switch/button the UPS should then be turned off but plugged in to an input source. Press and hold the On button until you see that the LEDs are flashing. Once the LED is flashing, press the button again to set the desired sensitivity. Low sensitivity would show the On Battery LED flashing. Medium is On Battery and Overload LED while High is On Battery, Overload and Replace Battery LED flashing. If you'll see a flashing Online LED it means that you are cancelling or exiting the program mode of the UPS.

Below are some helpful links from APC
*** You will need to login in APC before you can download the software. Choose the correct PowerChute Personal Edition Compatible with your OS and create an account online.

Jul 22, 2011 | APC Back-UPS CS 500VA UPS System

2 Answers

I connected 8, 100Ah battery with APC 2.2KVA inverter, now it doesnt give correct battery indication and keep producing beeping noise, whats the problem?


Continuous Beeping (theamber On Battery LED will be illuminated)
This alarm indicates that the UPS has reached aLow Battery condition and will soon shutdown. The UPS can only operate onbattery for a limited amount of time. In order to protect the unit's batteriesfrom discharging too much, the UPS will shutdown and turn off its output. Towarn you that the unit will soon shutdown, the UPS will sound this alarm 2minutes before actual shutdown. With optional Powerchute Plus software, 2minutes can be changed to 5, 7, or 10 minutes to give you more of a warning ofimpending shutdown. If you hear this tone, you should immediately gracefullyshutdown your operating system to prevent data loss or corruption.
Note:This graceful shutdown will occur automatically if Powerchute PLUS software isbeing used.

Constant, Solid Tone (the red Overload LEDwill be illuminated)
This alarm indicates that the UPS has detectedan Overload condition. If this alarm is sounded, try removing non-essentialequipment. The alarm will remain until the load is reduced. To determine ifyour UPS is capable of handling the equipment you want to protect, visit APC'sSizing Guide at www.apcc.com/sizing.

Continuous Beeps for One Minute; RepeatedEvery 5 Hours (Replace Battery LED will be illuminated)
This alarm indicates that the UPS has failed itsSelf-Test of the battery. The unit will continue to sound this alarm until theunit passes the test. Try to let the unit charge for a few hours and thenperform another Self-Test (Press and hold the on/off button until the second'chirp', then release). If it fails and the unit is still in-warranty (twoyears from date of purchase), then contact APC. If the unit fails and its outof warranty, then order a replacement battey cartridge through your reseller,distributor, or from APC's web site.

Apr 21, 2011 | APC Computers & Internet

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.

Feb 28, 2011 | APC Back-UPS Pro 650 UPS System

1 Answer

Overload led constantly blinking


The Overload relay may be faulty. Replace the overload relay. Althernatively turn in the UPS to an expert since there is life power in the circuits.

May 20, 2010 | APC (C73351) UPS System

1 Answer

Strange noise comes out from the ups after a power cut


The Back-UPS Office unit has five different tones or alarms:

1. Four beeps every 30 seconds (On Battery LED will be illuminated)
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.
Note: If the power disturbance is brief, you may only hear one or two beeps.

2. Continuous Beeping (On Battery LED will be illuminated)
This alarm indicates that a Low Battery condition has been reached and that the UPS will soon shutdown. Once the UPS transfers to On Battery 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 are totally exhausted. Once exhausted, the UPS will shutdown and turn off its output power to your equipment. If you hear this tone you should immediately shutdown your computer to prevent data loss or corruption.

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
This alarm indicates a severe Overload was detected while the unit was on-battery operation. This tone will continue to sound until the unit shuts down.

5. Continuous Tone (On Battery LED will be flashing)
This alarm indicates that the battery-powered outlets are overloaded.

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

Jan 06, 2010 | APC Back-UPS ES 700 - UPS ( external ) -...

3 Answers

Our apc ups showing overlaod when power is switched on


I am assuming that nothing is plugged in when powering up. This usually means that there is a short or damage to the unit. This forum discusses the issue: http://www.apc-forums.com/thread.jspa?messageID=15110

Dec 31, 2009 | APC Back-UPS RS 800VA UPS System

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