56 TROUBLESHOOTING
Follow the “Troubleshooting:
No Display-Screen is Blank”
steps on Page 55.
NO
NO
Troubleshooting:
Touch Screen is Locked Up or Unresponsive
NO
Is the screen blank?
Follow the “Troubleshooting: ‘Cook
Door Open’ Message when Door is
Closed” steps on Page 54.
Doees the oven show a door
open message?
Clean the air filter and verify there is sufficient
ventilation to the oven. Cool the oven down;
did the touch screen become responsive?
Replace the
display.
Replace the
display.
NO
Warm the oven back up now that suf-
ficient ventilation has been verified.
Does the display lock up again while
the oven is warming up or cooking?
Is the problem related to
specific food items?
NO
Reload the menu (page
21).
Update the oven
firmware (page 22).
Does the problem
happen again?
Replace the USB/
Smart card reader
and USB cable.
Does the problem
persist?
Replace the Sage
board.
Replace the comm
cable between the
Sage and Phoenix
(CON-7076).
Does the problem
persist?
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