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Display Communications LEDs
Display Connection Path and Possible Causes
The display circuit board is connected to the front of the machine with an external connection cable. The
machine has an internal connection cable running from the front of the machine to the control board.
The display, each end of the external connection cable, each end of the internal connection cable, and the
control board each could be the source of communications problems.
To trouble shoot, first start at the easiest and most obvious possible causes and work towards the more
complicated and less obvious last.
Possible Solutions
• Try rebooting the Janome QMP16Su to see if the problem is corrected.
• If not, verify that the cable connecting the display to the front of the machine is connected properly at
each end and has not been damaged.
• Check inside the control board to see that the internal connection cable is securing seated into the
control board receptacle.
• Check the internal connection cable from the front of the machine to the control board for damage and
proper connections at both ends.
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www.Janome.com
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