Question about APC (BE500U-WEB) (BE500UWEB) UPS System

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BE500R-PH when i switch power on, the buzzer contineously alarm..the a.c voltage dropped at 45 volts a.c when i check the battery,full of charge 12volts d.c what is the common prblem in this unit? please..thanks..rolly..philippines.

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Your battery is half dead already(dead cells). It need battery replacement.

Posted on Mar 28, 2011

  • juirrelle Sep 19, 2011

    hindi sa battery yun, ganyan din publema q. pero may nakuha akong buo na parehong unit, subukan q itrace tapos post q sayu publemang sira.

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1 Answer

Replaced Fuel filter and fuel pump on my 2002 Ford Explorer Sport Trac. I have no fuel pressure. The voltage to the pump initially is there when I try to start but drops to 6 volts. What is the issue?


Make sure battery has a full charge and battery connections all good. Use a digital multi meter across battery posts, have helper turn key to crank, how far does the voltage drop? Generally it shouldn't drop below 10 volts, that spec is subjective, but, if the reading drops way down there, I'd check the battery and connections.
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I hear a continous clicking on my BE500R-PH ups when i turn it on. What seems to be the problem?..Allan...Philippines


Hi I also having the same problem here even replacing new batteries still doesn't give a fix, Im thinking it might be the relay?

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My Dyson DC16 usually shuts down after about 5 to 10 seconds. However, occasionally it will run for 45 seconds to 1 minute before shutting down. It is left on charge permanently. I have checked the...


Your battery is losing voltage too quick. It has probably developed a 'memory'. Dyson claims that their handheld has the best suction out of all the handhelds out there. In order to maintain that claim the circuit board will shut off power to the motor when the voltage drops below adequate charge for full suction.
We need someone who can teach us to bypass that part of the circuit so it won't cut power to the motor or you need to get a new battery.
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1 Answer

My nokia 3110 dead not power


FIRST CHANGE UR BATTERY WITH FULL VOLTAGE
VOLTAGE 3.60 - 4.20V.
CHK BATTERY CONNECTOR
IF IT DESOLD
SO SOLD{RESOLD}IT
CHK SHORTING ON BATTERY CONNECTOR ON BUZZER RANGE IN MULTIMETER
CHECK CHARGING IN UR CELL
CHK ON OFF SWITCH VOLTSGE 2.80V
CHK ON SOFTWARE OR FLASH UR PHONE
SAME IT DEAD
SOIT HARDWARE FAULT
CHK ALL POWER SUPPLY
IDRISH 911

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Your inverter has a peak of 3000 watts rating and should power that hair dryer. Make sure your batteries are in good shape. The inverter can only put out what it takes in. 1800 watt demand on the inverter requires 1800 watts from the batteries.

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1 Answer

Low power to ignation switch


Check battery voltage with a volt meter. Voltage at ignition switch should match that of battery less 1% due to built in loss at connections and wire resistance. If not, check connections on the way to the switch, beginning at the battery to see where power drops off. Check all grounds as well.

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1 Answer

Upon power up, 3 red LEDs flashing rapidly continously, no power.


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