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The APC RS 1000 is an uninterruptible power supply capable of delivering 600 Watts.

crwdns2886949:04crwdne2886949:0 crwdns2858137:0crwdne2858137:0

Overload alarm lights and sound

My ups, after 5 years of continuous operation shows the overload's light .

I unplugged the PC and I replaced the battery but I have not solved the problem.

Then I opened it to see if there are components that are burned or leak but nothing.

To be sure I replaced the cooling fan but nothing has changed.

Can anyone give me some tips?

Thank you very much.

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crwdns2889612:0crwdne2889612:0 5
1 Comment

Hi, i had the same problem twice...!!!

My battery was ok, everything was ok but

the beep keep going on, for overload...

Both times i fixed doing these steps...

- Turn off the unit

- Flip over the unit

- Open the battery-cap and turn the power on

- Green Light is flashing

- Try Now (with the green light flashing) to disconnect the battery...

- Now it should be ON with the Empty battery light on (Red light)

- Connect again the battery as it is...

Now it should be ok...!!!

Good Luck...

crwdns2893770:0crwdnd2893770:0crwdne2893770:0

crwdns2892346:0crwdne2892346:0

crwdns2886779:05crwdne2886779:0

crwdns2893810:0crwdne2893810:0

Thanks to all. I have not solved the problem. I replaced the old ups with a new one.

crwdns2894046:0crwdne2894046:0

crwdns2889612:0crwdne2889612:0 1
crwdns2892346:0crwdne2892346:0
crwdns2893814:0crwdne2893814:0

Roberto, If it alarms, even with nothing plugged in, then it is possible that one of the MOSFET on your mainboard has failed.

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crwdns2889612:0crwdne2889612:0 4

crwdns2917036:02crwdne2917036:0:

metal–oxide–semiconductor field-effect transistor (MOSFET)

http://en.wikipedia.org/wiki/MOSFET

crwdns2893770:0crwdnd2893770:0crwdne2893770:0

Did you solve the problem? Same problem here, 4 years later..

daigoph@gmail.com

crwdns2893770:0crwdnd2893770:0crwdne2893770:0

crwdns2892346:0crwdne2892346:0

Hi, i had the same problem twice...!!!

My battery was ok, everything was ok but

the beep keep going on, for overload...

Both times i fixed doing these steps...

- Turn off the unit

- Flip over the unit

- Open the battery-cap and turn the power on

- Green Light is flashing

- Try Now (with the green light flashing) to disconnect the battery...

- Now it should be ON with the Empty battery light on (Red light)

- Connect again the battery as it is...

Now it should be ok...!!!

Good Luck...

crwdns2894046:0crwdne2894046:0

crwdns2889612:0crwdne2889612:0 2

1 Comment:

Thank you but I replaced the old ups with a new one. Yours sincerely.

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crwdns2892346:0crwdne2892346:0

I too facing the same problem....battery charging process is fine...but when i turn on the inverter it trips and shows overload and keep continuosly beep beeps....pls help me to solve this problem....i expecting board level service suggestions ...thank you

crwdns2894046:0crwdne2894046:0

crwdns2889612:0crwdne2889612:0 1
crwdns2892346:0crwdne2892346:0

My problem solved with removing the all cables also power cable wait 5 minute & connect cable again it's working.

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Roberto crwdns2893898:0crwdne2893898:0
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