We have purchased 8 of these units, and have installed 4 of them so far. After a few days, the first unit installed began to fail. Within the last week we have had the 2nd and 3rd units fail. The batteries test fine and appear to be fully charged, however the control unit begins to flash a red indicator and then turns off. We have swapped 2nd and 3rd units with the remaining systems and I received a note on Friday that one of those has begun to trip out and turn off.
I'll get to take a closer look at these units tomorrow, but anyone else having these problems with these units.
It's not looking good for this model from our perspective.
Well it could be the driver of the relay havin the problem or the mosfet is faulty.. that will be the hardware problem hmmm i askin hav you install any software or smnp card?? and how high is your input current?? and how much load you connected to ups.. i suspect the UPS u purchase it frm the USA and the current that opperated is 208ac it could be also the problem if the ups havin setup to 240ac..
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Continuous Beeping (theamber On Battery LED will be illuminated) This alarm indicates that the UPS has reached aLow Battery condition and will soon shutdown. The UPS can only operate onbattery for a limited amount of time. In order to protect the unit's batteriesfrom discharging too much, the UPS will shutdown and turn off its output. Towarn you that the unit will soon shutdown, the UPS will sound this alarm 2minutes before actual shutdown. With optional Powerchute Plus software, 2minutes can be changed to 5, 7, or 10 minutes to give you more of a warning ofimpending shutdown. If you hear this tone, you should immediately gracefullyshutdown your operating system to prevent data loss or corruption. Note:This graceful shutdown will occur automatically if Powerchute PLUS software isbeing used.
Constant, Solid Tone (the red Overload LEDwill be illuminated) This alarm indicates that the UPS has detectedan Overload condition. If this alarm is sounded, try removing non-essentialequipment. The alarm will remain until the load is reduced. To determine ifyour UPS is capable of handling the equipment you want to protect, visit APC'sSizing Guide at www.apcc.com/sizing.
Continuous Beeps for One Minute; RepeatedEvery 5 Hours (Replace Battery LED will be illuminated) This alarm indicates that the UPS has failed itsSelf-Test of the battery. The unit will continue to sound this alarm until theunit passes the test. Try to let the unit charge for a few hours and thenperform another Self-Test (Press and hold the on/off button until the second'chirp', then release). If it fails and the unit is still in-warranty (twoyears from date of purchase), then contact APC. If the unit fails and its outof warranty, then order a replacement battey cartridge through your reseller,distributor, or from APC's web site.
Ok, 3-4 years is a much as you can expect from an ups battery so replacement is indicated. The beeps are letting you know the battery is not able to keep up with demand. So either you have recently added to the system or the battery/s failing.
It sounds like you may need a new battery. The batteries are continuously tested by the UPS and it could be that the voltage is passing one test, and failing the next which is resulting in the light flashing. You can test the battery with a voltmeter. It should read over 11.5 volts, if not you need a new battery set. You can get batteries from http://www.batteryinternational.com/ups-batteries-apc-batteries.html
when the battery dries out over time, it may fail. replacements are available. ups units are alot cheaper than they used to be. also some units. have fuses inside on the circuit board. i have had an old apc ups that started smoking one day after putting new battery! so take that into consideration. i hope this is helps,good luck!