I work for an organisation which relies heavily on UPS to maintain important communications circuits in the event of power outages.
Recently we have begin to witness a common fault pattern across a number of our APC UPS. Without there having been any noticeable mains issues, a single UPS (among the many we have deployed) will inexplicably fail to see mains. When we power down and bring the unit back online, the AC indicator flashes and then the unit proceeds to power from battery.
After the last occurance, we moved a known good unit to replace one which had begin to display these symptoms, only to have it do the same thing once it had been reconnected to our mains source.
I would suspect "dirty" power to be the cause. You might want to measure & monitor what the voltage levels are that you're getting from that particular mains source. Either it is already below the set threshhold to switch to battery, or it dips below it, and never comes up enough to reach the threshhold to return back to AC power.
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This "Event 9" means that the UPS has has 9 events. It could be going on battery or a high input or output. Either way we can reset it. You will have to turn on the UPS. Unplug it from the wall and also unplug the battery. When all is unpluged push and hold the power button for a few seconds. This is the reset. once done hookup the batteries and plug in the ups. All should be better. Event 9 will be gone. Till next time..... When it will say "Event 10"
Your question is slightly confusing. Do you mean that the computer is not powered by a UPS? If the computer is not connected to the UPS, then why have a UPS? If the computer is not connected to the UPS and restarts when you turn the UPS On, your circuit feeding the UPS is overloaded and the voltage dips. If the computer is connected to the UPS, and restarts when there is a power outage, the fault may lie in the reaction of the HP 800. This unit looks to be a line interactive unit and it is not a true on-line UPS. The line interactive and battery backup (no voltage regulation) units both should have a switch to battery power time of 4 msecs, or less. If this unit is faulty and the switchover time is longer, it will not continue to hold up the computer internal power supply. If you are trying to run a laser printer on the HP unit, it won't have enough output capacity.
sounds like you have too many devices plugged in, it's not the ups that's failing it's the amount of power it takes to keep all you devices running. you may want to buy a larger ups or you can unplug some of the devices you don't need in the event of power outage. if it's just your pc your power supply might be sucking up alot of juice, i'd check and see what the power consumption rate is on that particular power supply.
1. Provide conditioned clean AC power to computers & other peripherals (except laser printers, which should not be powered by UPS). 2. Protect equipment from the harmful effects of brownouts & sags. 3. Supply power to equipment during a power outage for a specific time, either to allow for the graceful shut down of systems, or to keep the systems working during the power outage (depending on the battery capacity).
where the model u using is 4 to 5 yrs so as well the battery too normally the battery life spam is up to 2 to 3 yrs and slowly the battery efficenit start to wore off.. the cost of changing the battery it also not cheap. ard 200 to 300 dollar in the market. well if you hav the in attendtion to buy a new ups i suggest the brand is APC or liebert. i recommend u the APC it will be sua750i or Liebert gxt2-1500rt230 both model is user friendly and easy to configue. and it has a very effiecent of excute proper OS shut down when power sugre is occur. and this durablity it higer can maintain up to 5 yrs above. if u need asst on what kind of ups u refer pls mi know will try to help up... thkss
From your description it appears one or more batteries are bad..The circuit breaker on the Power Strip..which more then likely is a 15 Amp..tripped due to over current conditions..check the batteries and reset the circuit breaker..That should take care of it
Hello Dear Specialists I have a problem with the APC Smart-UPS smart 1000VA: when I insert the power plug in the wall outlet in one ups , indicate the AVR Boost ups regulating low AC voltage, when I measuring the AC city power voltage that is 207v .whey this ups is not working about the AC low voltage? ,but it should be work from (170v ~ 230v) AC input volte.please solve this problem, which element of AVR from the ups is failed or wrong and give me free circuit diagram low & high AVR and charger and inverter circuits. thanks allot
All UPS uses some sort of battery to power the unit in the event of a power outage. Like car batteries they also have a life span which can be a couple of months to a year or so. If the UPS has been in service for some time, perhaps it simply needs a replacement battery. On the other hand, if the unit is fairly new and carries warranty, it may be to your advantage to consult your dealer and claim for a replacement.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
I have the same problem. The unit was working perfectly until we had a power outage. Once the power was restored, the unit (battery side power outlets) stopped working. It won't power on upon pressing the power switch (I've tried plugging and unplugging.) The little red (fuse or circuit breaker) thingie at the back is loose. Any ideas?