APC Smart UPS SUA2200 no output, with video

Anonymous user · ‎2021-06-28

Morning guys, I have this APC Smart UPS SUA2200 that doesn't start well

The only device connected is a 3Watt LED light

It is disconnected from main power.

As you can see in the video , after Power On, The fan is audible. But no output to the LED light.

I press the power button for a few seconds, the UPS comes to life for a brief second, the LED lamp lights up, then shuts itself down

If the Youtube didnt embed well, click this link [url]https://youtu.be/G1alNa2fdqI[/url]

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Anonymous user · ‎2021-06-28

Thnak you William, I ordered a voltmeter and will be able tp test this once I have it 🙂

See Answer In Context

Anonymous user · ‎2021-06-28

If you have access to a DC volt meter, remove the batteries from the unit and check their voltage. As a pack, you should measure around 48 volts DC. Anything lower than that won't be enough for proper operation.

(It's possible for the battery voltage to measure normally under the very light load presented by a volt meter. I strongly suspect bad batteries are this unit's only problem, especially if they are more than five years old.)

Anonymous user · ‎2021-06-28

Thnak you William, I ordered a voltmeter and will be able tp test this once I have it 🙂