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Posted: 2021-06-28 06:06 AM
This was originally posted on APC forums on 5/20/2017
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]
Is this due to a faulty battery (i can replace), or are the electronics busted?
Thank you 🙂
Posted: 2021-06-28 06:06 AM
This was originally posted on APC forums on 5/21/2017
Thnak you William, I ordered a voltmeter and will be able tp test this once I have it 🙂
Posted: 2021-06-28 06:06 AM
This was originally posted on APC forums on 5/21/2017
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.)
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