Hello,
so i bought a new compressor from someone other than the company (Kaeser),
when i started it up i encountered two errors. the first was that the two symbols on the left side of the controller were lighting up (the Alarm led) and (the serves/ warning led)
on the screen it shows "Alarm" and the machine doesnt start, also another message appears "buffer Battery".
does anyone how to fix any of this because i tried to see whats wrong with the compressor but everything seems new and unused to me.
i'd appreciate if i get a reply fast from you guys!.
thanks in advance.

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