Question about APC Smart-UPS 1000VA UPS System

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My run down UPS is not charging when i switch the main power off and take all load off.A red light only bip after few minute charge and it goes off.Should i put it off when charging?what should i do now?

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Replace the battery.
You can find them at Batteries Plus for about $30 US

Posted on Aug 01, 2009

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APC Back-UPS ES500. Battery is new replacement UB1280, and battery has charge and runs fine if unit not plugged in. However, if unit is plugged in to power back-up side outlets in unit don't work.


there are 2 parts of a UPS .
the charge side
and (battery is obvious)
the inverter side.
if the charger fails, all is lost. (are the batteries in backwards?)
if the charger works (volt meter tells you that)
then the inverter is bad. (this unit is not full time UPS , but part time, this means it switches over to inverter at power fail.
(on full time sys. inverter runs full time, like the name states)
the unit, you mean the load right.?
the UPS side plugged into a load. and the load is now dead.

the Backup plugs should work if the mains are hot.
if you kill mains, the inverter will fire off, (hear the squeal?)
and give you 500 watts for some minutes, sucking the batteries dry. (see load run time curves)
I used to do service on HUGE UPS systems, some with 100s of batteries. 3 to 5kw too.
on ours there is a port on the rear , we connect and can
check everything "BEST brand" even charge voltage.
did you look on APC site for special software and connections?

the manual does cover trouble shooting, ever read that?
RTM? start there, its online, for sure.

Oct 03, 2013 | APC Back-UPS® CS 500 UPS System

1 Answer

SUA3000RMI2U won't carry load


Did you run this test without AC input?
Also what happens when you cut off the AC mains without any load connected to it? Will the UPS continue to run or does it switch off as well?

Dec 15, 2012 | APC Smart-UPS 3000VA USB & Serial...

2 Answers

@MY APC UPS SURT15KRMXLI is not charging after installation on single phase input


we have installed a new ups but the battery light indicates red light even though its on charge

Aug 12, 2011 | APC SMARTUPS RT 15KVA RM 230V...

3 Answers

Can i have all the basic details of UPS system


UPS come in two types, lower powered cheaper types are usually switch over power.
These units senses a power outage and then switch over to the battery power to generate mains supply. The switch over occurs in milli-secs and does not affect the computer.
True UPS types constantly run off battery power to generate mains supply so there is no switch over time lag. These units are higher powered and higher costs units.

Both type of UPS have the same components.
Battery charger.
Batteries
Inverter that converts battery voltage to mains voltage
Electronic controls

Dec 16, 2010 | Emerson PowerSure Personal 500VA...

2 Answers

Ups starts beeping


Is there any indicator lights ON showing the fault condition?
This could indicate that the battery has a low charge. Even if you switch off the mains supply and it switches over to the battery, the UPS may shut down after a short time as the battery power (charge) runs out.
If the battery is more than 3 years old then it may be due for replacement.

May 10, 2010 | Powercom BNT-1000AP (dspcmbnt1000ap) UPS...

1 Answer

My UPS does not start


I'm guessing that during the power outage, the ups battery completely discharged. Now it will take about 14-15hrs to recharge it.It will not support any devices until it is fully charged. Remove all load devices and let the battery restore to full charge before re-connecting the devices. If the battery does not recover, it needs to be replaced.

Apr 16, 2010 | APC MasterSwitch Power Receptacle - Power...

1 Answer

Hi in my apc es 500 the amber and green light is alternatively flashing and my ups is not working on battery power it is shutting down automatically plz help


Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault.

These lower powered and cheaper type UPS are switch over types, when the mains supply fail, the UPS switches over to the battery and inverter in milli-seconds which then supplies mains power. A faulty inverter circuit and or flat batteries won’t deliver standby power when the mains supply fails.

Nov 12, 2009 | APC Computers & Internet

2 Answers

Dc bus faulty


Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault.

These lower powered and cheaper KVA type UPS are switch over types, when the mains supply fail, the UPS switches over to the inverter in milli-seconds which then supplies mains power but the power waveform is a pseudo sine wave (ie not a true sinewave. A faulty inverter circuit won’t deliver power when the mains supply fails.

The true UPS types are usually the higher KVA units (over 1500 VA) that supplies uninterrupted mains power. The mains power is connected to a charger which charges the batteries and the inverter draws power from these batteries and converts it to true sine wave mains power therefore there is no switch over time lag from the mains to the battery.

Oct 22, 2009 | Powerware 9120 UPS System

1 Answer

Sir after changing the battery ups worked well one day and the next day onwards when i pressed the switch red and amber lights blinking and the upc trips with beep sound .kindly give the solution


Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault.

These lower powered and cheaper KVA type UPS are switch over types, when the mains supply fail, the UPS switches over to the inverter in milli-seconds which then supplies mains power but the power waveform is a pseudo sine wave (ie not a true sinewave. A faulty inverter circuit won’t deliver power when the mains supply fails.

The true UPS types are usually the higher KVA units (over 1500 VA) that supplies uninterrupted mains power. The mains power is connected to a charger which charges the batteries and the inverter draws power from these batteries and converts it to true sine wave mains power therefore there is no switch over time lag from the mains to the battery.

Oct 16, 2009 | APC Computers & Internet

4 Answers

Mge nova avr 1250 problem


ups charged for 8 hrs .No alarms but on powerfail no output to connected device

Nov 15, 2008 | Computers & Internet

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