inverter issue Solved

Question

Hi, I have an APC inverter (Back-UPS CS 500) and from time to time it alternates between battery and mains power (it actually keeps switching from one mode to the other) for 10, 15, or even 20 minutes; have you ever had this problem?

ablo · Accepted Answer

My APC Smart-UPS 1000 is producing a continuous and loud noise while operating! How can I stop this noise?

andret · Answer

Check the battery side which may no longer hold a charge.

bahati · Answer

Hello,  my inverter won't turn on. It's not a battery or transformer issue. Apparently, nothing is burnt inside. It's the APC 650 VA brand.

PAJO31 · Answer

Hello  I have the same problem  Have you received any answers?

dalonne · Answer

Hi, I have the same problem. Did you get a response?

MIMI83 · Answer

Hello.

I have an APC back ups 500 cs.
For the past 3 days, the red battery change light has been permanently on, along with a shrill sound alarm.
The battery is 1 year old..........!!!!
The yellow control light for switching between mains/battery is no longer lighting up.
I think it’s no longer performing its self-test on startup. The built-in battery charger in the UPS seems to be faulty..........
The battery is discharging and the UPS isn’t indicating a fault.
I’m going to throw it away...................!!!!!!!
It’s 9 years old and has served me well.
Raymond.

poloAide · Answer

There are many factors for an inverter not to turn on; similar problems have been resolved in the forum section of the website www.ecus.fr.

boly38 · Answer

On a had a similar problem with a UPS 1000T: the front panel was flashing and emitting a beep every second. Reconnecting the UPS to the mains did not change anything.

For us, the solution was to disconnect the "battery connector" at the back: a black plastic plug shaped like a triangle.

Inverter issue

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