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hey dude your problem is so simple..below are my solutions.
if you already secured the fans for the replacement then its easy for you to do it, try to totally shut down your UPS removing the input and battery supply. avoid replacing the fans with power, its to dangerous. it consist of almost 400VDC inside in it.
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This alarm indicates that the UPS has transferred from On Line operation
to On Battery operation. The Battery Power Supplied outlets are now
- If the input voltage is determined to be unsafe for your computer
equipment, the UPS will transfer to On Battery. The alarm will stop
once the unit returns to On Line operation. Please refer to the
technical specification section of your user manual for the acceptable
voltage window. Occasional transfers to On Battery should not be a
matter of concern, but rather, should be considered normal operation.
The UPS is trying to provide clean, safe, and reliable power. If your
unit shipped with APC management software it may be possible to change
the default acceptable voltages that the unit shipped with. Please see
the help section of the APC management software for instruction to do
- If the Frequency deviates + or - 5 % this will also cause a Back-UPS
product to transfer to battery power. Frequency distortions are most
commonly caused by generators that are undersized. Always make sure a
generator is 3 to 5 times the size of the total load attached to unsure
it can maintain a steady output frequency. There is no way to change the
+/- 5% deviation.
- If the shape of the incoming power is considered "too dirty", some
Back-UPS products may transfer to battery power. This is most likely the
problem if you have already confirmed that the input voltage is within
the acceptable limits. Most Back-UPS products have the ability to change
their sensitivity to the shape of the input power from high to medium
or even low. Please see your user manual for details as to how to adjust
The Back-UPS is fairly straight-forward. The 9-pin connector (at the top of the back) is a serial port (RS-232) for the UPS data (when connected to a computer it will shut down the computer safely during a power outage). The next plugs are RJ-11 telephone jacks; the cord from the jack (wall) goes in on the left (some models have RJ-45 for network protection). The battery protected outlets are the three surrounded by black paint. The other three provide surge-protection only. Do not plug items like printers and scanners into the outlets that provide battery protection.
If UPS is displaying "Site Fault", it is doing its job correctly. You need to check the wall receptacle. Probably hot and neutral reversed, or the neutral and ground are reversed, by whom ever installed the wall receptacle. You need to have the plug-in for the UPS intact, i.e. the ground pin must not have been cut off. If an extension cord connects the UPS to the wall, thge cord must be working correctly.
If it has been ripped out of the back of the monitor, then you will need a new monitor. If it has an area in the back of the monitor where you can plug in one end of a power cord, then all you need is to buy you a cord that fits your monitor.
You might need to change sockets. If that doesn't work, you might need a new power cord. If when you get a new power cord and it still doesn't work, then there is something wrong with computer internally and it needs to be taken to a shop.
You can fix it by doing this. but first you need to make sure you leave your house for at least 4 hours so you don't have to be hearing that frigging noise, IT CAN BE DONE! i fixed it.
my unit would start beeping as soon as I plug it in wall, and red light come on, the software is telling me the battery is unplugged
this is what i did in order.
1. unplug all cords, connected to the unit, and power cord to the wall.
2. hold the power button
3. still holding the power button, Connect it to wall. (red light would be on but no beep)
4. I watched TV for 6 hours, red light still flashing
5. disconnect from wall
6 connect back to wall
I heard the unit click one time and green light came on, is charging now....