
MAINTENANCE, TROUBLESHOOTING, AND ERROR CODES A - 3
Troubleshooting Assistance
If an MP6000 displays any of the LED display codes preceded with an E the unit will not operate correctly
unless the error is resolved. For LED display codes preceded with a U the unit will continue to operate,
although with possible performance degradation. Under any circumstance it is recommended to review basic
hardware installation, and software configuration prior to contacting a Zebra approved Service Provider. It is
often possible to restore unit function by following the steps below.
1. Remove power from the MP6000, POS equipment, and any auxiliary devices (hand-held
scanners/cradles).
2. Inspect external cables including POS, auxiliary hand-held devices, and optional pole display (scale units
only) for proper seating in their respective connectors.
3. Inspect internal cables:
a. Scale Units Only - remove platter and confirm the scale communication cable is fully seated within the
connector in the scale unit - if necessary remove the unit from the counter-top.
Figure A-1
Scale Connector
4. Remove tower bezel (front housing) and tower cover (back cover): inspect the cable connectors on the UI
board (2), top LED board (1), and loudspeaker (1), ensuring they are completely seated within their
respective connectors. For units with optional Customer Side Scanner (CSS) ensure the USB cable within
the tower housing is routed down the side of the unit and fully inserted into the side USB port (see Install
the Customer Side Scanner (MX101) on page 3-16).
Figure A-2
Removing the MP6000 Tower Bezel and Tower Cover; Loudspeaker
Scale Communication Cable
Tab(s)
(on each
side)
Squeeze
Inward
Tower Bezel
Loud Speaker
(Without Cover)
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