Question about APC Back-UPS 650MI (BK650MI) UPS System

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Ups 650MI when connected to the power it produce sound

My ups produce sound when connected what can i service it.

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Too small, too cheap..., not cost effective to fix. Cheaper to replace, and I suggest you might go bigger.

www.storminprotection.com

Posted on Sep 08, 2009

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1 Answer

Is transformer of my UPS OK?


The rectifier (Full or 1/2 wave) is not producing normally: as applied under a normal load. My take!

Mar 14, 2014 | Computers & Internet

2 Answers

Pac makes continous sound


What is the sound? Is the device working normally? Are there any lights or indicators? Do they indicate a fault or error?

A UPS runs on standard 110-120 VAC power. It converts the input power to DC and charges internal batteries, then back to AC. Connected devices actually run on the conditioned 115-120 VAC output. The batteries serve as a short term backup power source.

The electronics in the UPS can produce hum or high pitched tones. The sound should not be annoying. If it is louder than connected equipment (computers) it may indicate a problem. Hum is usually 60 Hz harmonics and difficult to eliminate. This harmonic may be transferred to audio equipment such as speakers or radios. A high pitched tone can be related to the rectifiers for the convertor/invertor. If the tone is loud, it means the rectifiers are drawing a lot of current. This is usually related to bad batteries.

Measure the voltage on the output receptacles. It should be 115-120 VAC. Disconnect everything on the output receptacles. Unplug the UPS from it's power source. If the output power dies within 1 minute, the batteries need to be replaced.

Jul 19, 2012 | APC Computers & Internet

1 Answer

APC UPS BK650MI Transistor F1010E Burnt


It will be cheaper to replace the UPS. You will spend more time and effort then it's worth.

Sep 13, 2011 | APC Back-UPS 650MI (BK650MI) UPS System

1 Answer

Please clarify that, MGE Galaxy 3000 will produce Harmonics.We had few issues due to harmonics which is affecting Analog modules connected with UPS supply. How to detect and filter harmonics at UPS.


The galaxy 3000 does not produce a huge amount of harmonics that are reflected into your building. I use an AEMC Power Pad, or a Fluke 434 to measure the harmonics on the input power cables feeding the UPS while it is on. Fluke also makes a nice clamp on harmonics meter (AEMC had a nice one, but it was discontinued)

Feb 10, 2010 | MGE Galaxy 3000 UPS System

2 Answers

Overload LED lit, constant warning tone, no load


you may have to many things plugged into the ups, it is not good to plug a power bar into one of the outlets of one of these as you are OVERLOADING the device with more power than it can produce

Oct 21, 2009 | APC Back-UPS XS900 (BX900) UPS System

1 Answer

My 500-A Ups is making Buzzing sound.


APC 500VA ups meant for 1 Desktop and one montiro it will have battery backup for 10 to 15 minutes for the above.

Normally, You should make the raw power connected to UPS should be always ON.

The power cables of CPU and Monitor is connected with UPS. When not in use, please press the Button available on the UPS.

The UPS Life is normally 2 to 3 Years only. Now you are getting the sound and Red Light will always blink and not allow to use the system.

Better replace the 12 Vols battery to get some more life for the UPS.

And check for any loose connection of the power cables connected with Raw Power and UPS System.

Jul 19, 2009 | APC BE500U ES 500 USB BACK-UPS 500VA/300W...

1 Answer

Online UPS producing big humming nosie and trip down


I think you are trying to save money, but I think it is time to let go of the unit and get another one.

If you are in the USA....I can help you with that replacement unit.

The problem with UPS is sometimes replacing them is better then repairing them. In their life time they see transits, impulses, black outs and all sorts of power issues that normally would blow out a computer. So the reliability factor is in the toilet by now.

You can contact me and I can send you a pdf or word doc. of any size UPS you might need at a afordable cost.

Storminprotection@earthlink.net
www.storminprotection.com

Apr 04, 2009 | Online Double Conversion 1500VA 1050 Watt...

1 Answer

Use of computer ups for lighting purpose


Hi,

To your concern of using a computer type UPS to power other devices:
  • If the light is incandescent type, yes;
  • If the light is florescent type, depends on the design. Some yes, some no. If the ballast is electronic, yes; if the ballast is inductive, no;
  • on the fan, no.
To my knowledge, most low-end commercial UPS produces a square wave. Only high end (expensive) models produces true Sine wave.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 17, 2008 | Computers & Internet

2 Answers

Belkin ups not working properly.... green and RED light on ...indicates bad battery. But unit not more than 1 yr old, no battery time at all when plug pulled...not enen i min on (desk to an d monitor


Your batteries are weak...(causes
1:-not powering the UPS for a longtime
2:- long use(3 to 4 years) )...you will have to replace them
PLEASE RATE ME.................

May 25, 2008 | Belkin (F6C1500-TW-RK) (F6C1500TWRK) UPS...

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