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Liebert gxt2-10000rt208 fault indicator and A + E LEDs on. Did anyone know this alarm?

In the manual is not indicated this alarm. the UPS have new batteries and was do the maintenance 3 months ago. the UPS have 6 years on operation.

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I'm going to go on a limb and say the unit also has the bypass indicator on as well, is that correct? A=On bypass due to overtemperature condition & E=On bypass due to inverter failure.
I can't see in the picture or hear it but is it beeping also? 1 second beep every 2 seconds? Thats on internal bypass. If none of this is true then you have a tricky problem.

Posted on Jan 10, 2015

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6ya6ya
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Posted on Jan 02, 2017

love4ce
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SOURCE: liebert psa 700-230 ups won't power up.

chek the power transistors.

Posted on Nov 29, 2008

gotgeek2
  • 565 Answers

SOURCE: APC Backup UPS Model # BK200C salvageable?

Yes, but the battery may not be any good, though, and trying to charge it may damage the charger. A new battery is about $20. The surge suppressor will still work without the battery as long as it is connected to a properly grounded 3-wire circuit. If you decide to take a chance and charge the old battery, take precautions like keeping a watch on it should it explode or catch fire. Not trying to scare you, just looking at worst case scenario.

Posted on Jan 27, 2009

map6260
  • 9 Answers

SOURCE: need repair manual for Liebert UPStation GXT1500RT

Hello gypsy6767, I spent 10 years as a Liebert Rep here in the Phoenix, Az. market! Here is a link to the Liebert GXT User's Manual - http://www.liebert.com/common/ViewDocument.aspx?id=1199

I hope this helps,

map6260

Posted on Mar 13, 2009

  • 37 Answers

SOURCE: Opti-UPS 1400ES UPS unit - Beeping 14 Times, stops, Beeps Again.

you can try this asia systems technologies look for our sale person william +65 65478990 william@asiasystemstech.com i suspected that now that u UPS is have hardware issue.. to determine if the unit is really the problem it hav to be do a further diagnos..

Posted on Mar 24, 2009

  • 94 Answers

SOURCE: Need to monitor status of Liebert 150 KVA UPS

Try to find your manual here in this site. Choose your Product Category, Product Application, Application Type and Specific Product. After that you can download the manual. Hope this helps. "http://www.liebert.com/servicesupport_pages/ProductDocumentSelector.asp"

Posted on Jun 03, 2009

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1 Answer

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Disconnect batteries. Shut off the UPS wait 5 min. If alarms returns then something is wrong with your unit

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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)
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
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1 Answer

Emerson UPStation, Liebert GXT21000RT120. 2 tower battery is continuing to alarm. Bypass light is on and AC input light is on. This happened after dropping a plastic water bottle on top of the main...


Hi Tammy, this can only be done if the load is not critical....
If load is critical then shut it down first.

On bypass you will be getting one beep every min or so
Try pressing the inverter on button, there should be a single beep, and then if all is well the inverter will come back on line. All leds will then be green.

Suggest once working that it be checked to see if it will still support load during outage.

If this does not work then please post again.

In the manual there is pages of fault diagnostics which may assist, if you don't have the manual it can be downloaded from the Emerson website.

Hope this helps,thanks for using FixYa

Vote for this if you like it.

Sep 13, 2011 | Liebert Computers & Internet

1 Answer

We have a Liebert PowerSure 1400 we purchased few years back but never hooked up until recently - and when we did it was DEAD and out of warrantee. We tried replacing the battery cells - still no go. Short...


my problem is that when connecting and switching LEDs are lit intermittently "Fault indicator" and led A and B which means (in the manual) that is a failure of input or output short circuit n electronic technician but I do not get to any way to solve the problem. excuse my English I'm Latino

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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.

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1 Answer

U p s by pass l e d flashing light


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. If one battery is faulty in a set of batteries it will causes the whole battery system to fail and indicate a battery fault.
A faulty charging circuit will not charge the batteries and will also cause a fault condition.

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Help with my liebert powersure interactive 1000?


The wiring fault light indicates that the polarity of your power outlet is wrong (positive and negative wires have been inverted) or that the ground is missing/faulty.

This have nothing to do with the configuration of the UPS. Unfortunately (for liability reasons), I have to tell you that the only person who can fix that is an electrician.

Just for testing, try plugging it into another power outlet elsewhere in your house to see if it is any different.

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