qualitynax.blogg.se - Apc test button

That describes the entire PowerChute protocol. So I figure something has gone awry with this UPS. Then I pressed the self-test button and… more beeps and another battery failure indication. I pressed Y0R to see that it had been properly set. +++++++ (and kept on pressing + slowly until I saw A0) So I hooked the cable up, connected a terminal at 2400/8/N/1 Xon and changed the value of the battery constant from 79 back up to A0, which I’d read was the correct value for the SU1000NET.

There is no need to type any keys other than the ones specified.

The instructions from the site above aren’t exact – they make reference to pressing **1** but they really mean press 1.

In my case I had one that I hooked up to an FTDI USB serial cable.

You need an APC cable, not a plain serial cable.So I did the reset procedure described there.Ī few things to keep in mind before you do this: This time it didn’t.įirst I read that sometimes the battery constant for these UPS devices can get confused. I’ve had that in the past, and replacing the battery has always solved it.

7:48 "Don't try this at home!" He briefly connects an 18V drill battery (the UPS is 24V), and it clicks on! (Well, into standby/charging mode, and it can now be turned on with the power button.I have an old APC Smart-UPS 1000 (SU1000NET) that recently started giving me bad battery warning beeps.6:32 battery wiring and voltage measurement.2:37 he tests the unit and finds it dead.To save 15 minutes of blurry footage with annoying background noise: It will continue running without a battery afterwards (obviously you have to be able to replace batteries), and will even tolerate being unplugged briefly, but once the capacitors discharge you must connect a battery.Īs the guy mentions in this video, people sometimes trash them when the unit itself still works fine, but just has a dead battery. These APC SmartUPS units need at least a semi-working battery installed in order to actuate the relays and turn on. The UPSes I've encountered will function (power on, pass power through, etc) when connected to AC regardless of the state of the batteries - they'll just complain about a bad or disconnected battery.

If nothing is responding on the UPS (battery installed or not) when plugged in to an active AC outlet, the UPS is likely dead.