Question about MGE UPS Comet EXtreme 12kVA UPS System

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What is the common problem of MGE Comet Extreme 12kVA Single Phase UPS System? No output voltage and when I connect the mains supply in few seconds an alarm will become present on the display -- "Fault LED" I suspected the power DC capacitors are already defective since the unit was running for more than 7 years. I removed the capacitors and found out one seems dry inside when I shake it. I replaced the DC capacitors having the same value but larger in size, any effect on the system? -- 2200 microfarad, 400VDC. After replacing them with larger physical size the alarm still exists so I am beginning to think that the problem may not just be the capacitors. Do you have electronic diagram for this model?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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xerick
  • 139 Answers

SOURCE: MGE UPS SYSTEMS ELLIPSE 800

i think u need to replace the battery so u get it working again.
thank u

Posted on May 29, 2008

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SOURCE: UPS not charging

normally to diagnosis this problem you need a special diagnostics software.Nevertheless,the ups needs to know that battery is present before to give a charge current.
i will advice you see with a mge representative in your locality

Posted on Jul 04, 2008

SOURCE: MGE UPS Pulsar EXtreme 1000 C

I three

Posted on Oct 09, 2008

  • 1 Answer

SOURCE: I have an MGE Galaxy 3000 15KVA which i replaced the batteries.

This is Easy,

MGE software is exclusive to them, they do this so that in the event the UPS needs any work you have to use them for remedial work, the problem is because they hold the monopoly they charge through the roof for parts and labour. you will need a factory trained engineer to turn up with a laptop to switch off the "Maintenance Alarms" I have an engineer that has the Software and availabilty to parts and we are much cheaper than MGE direct.

if you need any UPS help contact Glenn Prince @ Adept Power Solutions Ltd 01264 326726 or go to website www.adeptpower.co.uk

Posted on May 13, 2010

  • 1 Answer

SOURCE: ups

filter cct burn out so, kindly give e filtter cct of 800 apc ups.

Posted on May 28, 2010

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Its not starts properly,my batteries are in good condition


Normally if this UPS is in working condition and the batteries are also good, you should be able to start the UPS by just using the battery cabinet. As soon as power is applied the fan must run and the 4 yellow led for battery/load should lit up. If it is completely dead, then a qualified technician will have to check the internal circuit. It has one main board on which all power components are mounted and a separate control board. Generally there is a 80/100 A than goes opened. I hope you can give us more information if the UPS is completely dead or the led comes up

Feb 21, 2011 | MGE Comet EXtreme 12kVA (891012-21) UPS...

1 Answer

Please can you tel me whitch Kind of battery, and how many battery there is in this model : MGE PULSAR EXTREME 1500C RACK and MGE PULSAR EXTREME EXB 1500C RACK


Specifications for MGE Pulsar Extreme 1500 C 2U Rack Battery kit
Voltage 12V (Per Cell) Capacity 6Ah (24W) Weight 8Kg Dimensions 151mm x 94mm x 51mm (Per Cell) Lifespan 3 - 5 years Type Sealed Lead acid battery rechargeable highly efficient, leak proof and maintenance free
I think there are four batteries in the pack.

Feb 16, 2011 | MGE UPS Pulsar EXtreme 1500 C UPS System

1 Answer

Case 1: 220 V, 50Hz applied to s 3000 measuring the output as follows: 1- phase to ground 220 2- Phase to neutral 219 3- ground to neutral 1 volt Case 2 disconnct the input 220 V we have 1- phase...


Did you measure with a true RMS meter?
If yes,the results are normal,but your ground connection is not very good.
The case has 110v potential (exactly half of the input&output 220v) because of the input and output capacitor filters (a capacitor is conectet from phase to casis and an other from neutral to chasis,thus resulting a 1/2 voltage divider). Because of this,the earthing is necessary.

Jan 16, 2011 | MGE Evolution S 3000 VA RT2U Rack (68465)...

1 Answer

Hi The electronic fault is ON then I heared an exlosion on my UPS comet extreme 6Kva. The Ups can be operate but it can charge my batteries. what can be the problem? mabe the diodes? thanks


The fault means that there was something wrong with the ground wire. I would assume the capacitor was leaking and bulged which is why you had the fault in the first place.

The sound is probably the capacitor exploding.


This sucks but if it's still working fine, I would would just go with it until it completely dies, which is not that likely, but you will always have the fault light on and probably a beeping indicator.

Oct 10, 2010 | MGE Comet EXtreme 12kVA (891012-21) UPS...

1 Answer

I mean how to connect a batteries to UPS when their is more numbers


connect first batterys -ve to second batterys +ve,second batterys -ve to third batterys +ve by thick wire this will increse the voltage called series combination

Feb 25, 2010 | MGE UPS Comet EXtreme 4.5kVA UPS System

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