It will charge but will not vacuum or mop. Why?

I bought a refurbished rydis h68 pro last year and it worked pretty well. Now i will charge but when it is fully charged and I press vacuum it will turn off.

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@sadsack "I press vacuum it will turn off" at what point can you turn it back on or does it stay without any sign of life?

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It will say starting to vacuum and then turn off

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