Question about APC Smart-UPS VT 20kVA (SUVT20KF3B4S) UPS System

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Ups In Bypass Due To Fault - APC Smart-UPS VT 20kVA (SUVT20KF3B4S) UPS System

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Abdul,

What is the fault? Because these systems are somewhat modular it could be something very simple -or- not so much.

Let me know.

Daniel • daniel@psihq.com • Power & Systems Innovations • 800.260.2259 • www.psihq.com

Posted on Nov 21, 2013

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


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.

Dec 09, 2014 | Liebert Computers & Internet

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Liebert gxt2-10000t230 low batt,bypass light flashing,no output,shutdown after a minute


Test outlet power by switching the unit to manual bypass and breakers off.
If power is supplied OK and the filter board repaired OK then restart the unit starting with the breakers supply to unit,battery confirm the display is on and static bypass led also on then switch back the bypass knob to normal and press the on button to switch the unit to normal.
Give the batteries time to charge 12hours then you can test the unit on backup mode.

Nov 25, 2014 | Liebert (GXT2-10000T230) (GXT2-10000T230)...

2 Answers

NO VOLTAGE ON YELLOW PHASE


what caused the UPS to transfer to Bypass? could be inverter fault, would you please check your battery set, maybe the input power is outside the tolerance and causing UPS to discharge the battery set , as well when battery set reaches the end of discharge it is causing the UPS to transfer to bypass and there is something missing on the input yellow Phase.
if the above is not true check the load type that is connected to the UPS output that is causing UPS to switch off in 10 minutes time.

Apr 17, 2014 | MGE UPS Galaxy 3000 UPS System

2 Answers

Ups says bypass unavailable


This happens a lot. Your input power lines fluctuate a lot from time to time. You get lags and sags and spikes on the power line. The UPS is just telling you this. Nothing you can do about that. Your UPS is operating normally. You don't really want to put the UPS into bypass during one of these fluctuations do you?

Apr 08, 2014 | Powerware Series 9 9170 UPS System

1 Answer

I have a UPS AROS Sentinel 4 that does not charge my newly installed batteries. It is always on bypass and failes after removing the 220VAC.


You should call your local service rep.

Any standard UPS will fail on Bypass, as the system is designed that way.

Some systems when running will revert to inverter from Bypass but not many.

They usually have an "Economy Mode" setting.

Some UPS systems require a soft or hard reset after any service Involving loss of all power to the electronics, this may be the problem, but it is more likely there is an inverter fault.

Hope this helps,thanks for using FixYa

Vote for this if you like it.

Mar 13, 2014 | Powerware Series 9 9305 (PW930525KVA) UPS...

1 Answer

Symmetra LX "Intelligence Module Fault". Does


First calculate the total load of the UPS and then calculate the total load. One of the Intel Module is Primary and one is Secondary. I can't remember exactly which one is primary. Q1. There will be a LED on the INTELI MODULE flashing RED. That identifies the bad MODULE. Q2. You can remove the MODULE, but I recommend you place the UPS in Static Bypass first through the Display Menu. Also make sure the UPS is in NORMAL MODE or already in STATIC BYPASS, the LED's on the Display should indicate what mode its in. Q3. You can remove the display from the Inteli Module with out harming the load. You just can't do anything with the UPS, as to tell it to Go to Bypass (Static Bypass) or get out of Bypass, check voltages, etc. So order the part first by getting part number on the sticker off the Module, then schedule your shutdown and perform the you maintenance after hours this way you don't affect anything during business. Also don't do the repair on a Friday due to the fact its weekend and APC/Third party UPS companies will charge you a lot to come out in the weekends. FIRST DO THIS PLEASE- GET THE MANUAL FOR THIS UNIT!!!! And READ IT FIRST!! Find in the manual where it walks you through putting the UPS In bypass (Static Bypass). Follow the manual, My way of doing is to READ TWICE, OPERATE UPS ONCE!! This has help me not dump any loads. My suggestion to you is to check if unit is in Bypass (static Bypass due to the faulty module. If it is on Bypass then all you need to do is follow the procedures to place UPS in External Maintenance Bypass. If UPS is in Normal mode but with Alarms and Beeping, then Navigate through the display and find the BYPASS Mode. Then hit enter Yes on the BYPASS MODE, it will ask you again if you want to "Place UPS INTO BYPASS. Hit YES. You will hear it click. Your LED on the display should Light UPS Solid "BYPASS LED ON" AGAIN Please keep referring to the MANUAL. Once your in bypass mode (Static Bypass) then you can operate the External Bypass Switch on the bottom of the UPS. That is the Maintenance Bypass Switch. This isolate the UPS completely and your load never see's the transfer from Static Bypass to External Bypass, Because its a MAKE BEFORE BREAK System. (Make the power before Breaking the Power) Sorry to get down to simple terms, but when I work on a UPS its personal due to the fact you are responsible for the all that is on the OUTPUT of that UPS. Once on External Bypass, You can now do you module swap. Turning the UPS back on, Please follow place UPS back On Line in the UPS Manual. Also in the Diagnostics, off the display of the unit, it also identifies what module is bad including the Power Modules to the Battery Modules.

Nov 03, 2010 | APC Symmetra Tune-UPS technical support -...

1 Answer

The bypass mode indicator is blinking, what do I need to do?


my be its indicating that the bypass mode is not available because power input is not of range that the ups is designed to take, check the ratinng of ups and use amultimeter to check whether the input matches the input. also depending on the type of ups this could be a code for a fault. please avail the ups type.

Oct 13, 2009 | Powerware 9125 UPS System

1 Answer

I Have UPS 700-6000VA. It keeps changing on battery mode while on power, them reads error message bypass not available. Any help?


Bypass not available is a common alarm.

This is because the input and ouput parameters

volts and frequency do not match, suggest checking these with meter or using ups sw and comp.

Bypass will not function if either v or f is incorrect, check manual for specs.

Post more info about batt on load with mains conected please, as this could mean major fault such as rectifier failure or micro malfunction

Hope this helps, thanks for asking FixYa


Sep 25, 2009 | Compaq 204015-001 - UPS T700 - UPS - 700...

1 Answer

Ups drops load at unpredictable times. battery is good


If the load is dropped then there is a serious fault with the ups, even if the inverter fails, it should go to bypass and not drop the load.

Sound like a control fault, I suggest you need a ups tech.

This equipment has many dangerous parts inside. Batteries are always live and very dangerous. The boards are stuffed the surface mount components.

You need an approved service agent, who should be able to help

Sep 23, 2009 | Powerware PW9150 12.5KVA/8.75KW...

1 Answer

Bypass LED on the ups is on


This an excerpt from the UPS's manual:
The Bypass LED illuminates indicating that the UPS is in bypass mode. Utility power is sent directly to connected equipment during bypass mode operation. Bypass mode operation is the result of an internal UPS fault, an overload condition, or a user initiated command through an accessory. Battery operation is not available when the UPS is in bypass mode.

Jul 19, 2009 | APC Smart-UPS 1000VA UPS System

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