DIGITAL MERCHANDISER
56X/77X MODELS
21
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Error
Possible Causes
How to Fix
Can’t play this video.
The file selected is either
not available, not in the
correct format (.mp4
only), or the SD card is not
inserted.
1. Ensure the large SD card is properly inserted
inside the SD card slot.
2. Ensure all videos are in .mp4 format.
3. Ensure all videos are in the correct resolution
(1080 x 1280 px).
4. Ensure default videoscreen.mp4 file is a
valid .mp4 video file that follows the correct
specifications.
Other Common Errors
Error
Possible Causes
How to Fix
U-BOOT 2017.03_1.0-26236-g7d8fb8c-dirty (Dec 11 2018 - 10:33:15 -0600)
6x_bootscricpt not found
serial console at 115200, 8M1
no block devices found
=>
The text will appear in the
left corner of screen and
indicates that the Android
board cannot find the files
on the microSD card needed
to boot the Android OS.
1. Ensure that the microSD card is properly seated
in the microSD card slot.
2. Replace the microSD card with another card that
has been properly programmed.
NO SIGNAL
The LCD is not receiving an
HDMI video signal from the
Android board.
1. Ensure the Android board is powered ON (the
green light is illuminated on the board).
2. Ensure the HDMI cable is connected properly.
3. Unplug the power and 20-pin harnesses, wait
three seconds, then reconnect the harnesses.
ADA keypad cannot select or dispense
flavors.
Various
1. Ensure the software is up to date.
2. Enter the Service Mode and press the warning
icons.
• ADA keypad cannot be found.
–
Keypad is not connected properly;
reconnect the keypad and test.
–
Faulty keypad; keypad needs to be
replaced.
• ADA adapter cannot be found.
–
Keypad is not connected properly;
reconnect the keypad and test.
–
Faulty keypad; keypad needs to be
replaced.
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