Hey Giovani,
It's certainly a hardware fault - if you're beyond the return period of your retailer (typically 30 days from date of purchase), please contact a Pioneer DJ authorized service centre in your region to have your hardware inspected and/or repaired.
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Hi,
this is a hardware defect. You should return the unit to your dealer and request exchange/repair of the unit (may depend on local regulations it Italy(?)).
The VU leds are multiplexed, this means there are circuits switching the rows/columns at a specific time, being able to control every LED connected like a "matrix". So if there is a hw defect for one row, it affects all VU displays for that specific row (-9dB in your case). Most probably the defect is on the "PNLA assembly" (DWX3719) circuit board.
Hope that helps, regards
Markus
(Berlin, Germany)
Is this covered under warranty? I purchased this unit only 2 months ago.
Yes; the warranty is at least 1 year.