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abegweit avatar image
abegweit asked

24-3000-70 Multiplus low battery alarm at idle with 28VDC input

3 year old 24VDC 3000W Multiplus shutdown with low battery light flashing (all other LEDs extinguished). Confirmed there is 28VDC at the DC input to the Multiplus. Battery connections are very clean. System was under a 100W load when it shutdown. VRM shows no drop in DC voltage prior to shutdown. Removed the front cover and discovered small ants inside the Multiplus. Has anyone every seen anything like this? Could the ants have caused the malfunction? Appreciate any thoughts. Thank you.

multiplus ve.buslow battery warning
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Dušan Klofutar avatar image
Dušan Klofutar answered ·

Ants can make short circuits inside electronics.Open your Multi,disconect all connections and carefully clean pcb...

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abegweit avatar image abegweit commented ·

Hi thank you @Dušan Klofutar.

Upon further inspection, the ants are worse than I originally thought. Quite a mess in there.

I will need to remove the "guts" of the MultiPlus to clean this up but I'm not ready to tackle that job without knowing more about the proper way to go about it.

If anyone knows of a good video or guide showing how to remove the circuitry inside the MultiPlus please share a link!

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