8. ELECTRICAL MECHANISM
117
BAS-342G
Other
Trouble symptom Connector No. and position
• The DC fan motor inside the control box does not operate.
• [E740] is displayed.
• DC fan motor for X feed motor does not operate.
• [E741] is displayed.
• DC fan motor for Y feed motor does not operate.
• [E742] is displayed.
• Operation panel display is incorrect.
• Power indicator does not illuminate.
• Operation panel keys do not work.
• Sewing machine does not start when foot switch is
depressed.
Work clamp is lowered when work clamp switch (left) is
depressed.
Home position is detected and sewing machine starts when
start switch (right) is depressed.
5245Q
5246Q
5247Q
1422B
1423B
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