A - 4 MP7000 Scanner Scale Integrator Guide
5. Inspect the cable connectors on the UI board (1), left Illumination board (1), right Illumination board (1) and 
speaker assembly (1), ensuring they are completely seated within their respective connectors. For units with 
the optional CSS, ensure the USB cable within the tower cover is routed inside of the tower cover and fully 
inserted into the side USB.
Figure A-3    Tower Assembly, Cover Off
6. Replace the tower cover.
7. Replace the platter on the unit.
8. Remove any objects from the platter, or near the unit and re-apply power to the MP70XX and attached 
equipment (POS, hand-held scanner).
9. Wait for the unit to boot, and listen for start-up audio indicators.
10. If the LED display codes persist contact your Zebra qualified Service Provider.
General Error and Warning Codes
Illumination Boards
Speaker Assembly
Captive Touch PCB
Board Assembly (UI
board)
Table A-1    LED Display Error and Warning Codes
LED Display Code Error/Warning Indication
Errors (E)
E21 Illumination failed
E26 Image Capture Hardware (HW assist) failure
E28 Digital Audio Playback failure
Warnings (U)
U1 Diagnostic Test Flag (internal only)
U2 Illumination Current Limit warning
U3 Horizontal Left Current Limit warning