I haven't tested the unit but I suspect there is a pump failure present as this comes from a lot where all the units had pump failures
ONLY
BUY IF YOU INTEND TO KEEP THE ITEM. THIS IS FOR THOSE WHO HAVE THE
KNOW-HOW TO REPAIR SUCH ITEMS AND/OR NEEDING SPARE PARTS/BITS.
Sold for spares with NO RETURNS whatsoever
****
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must be returned in the same condition they were sold in", is violated
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lack of repairability.