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8. ELECTRICAL MECHANISM
117
BAS-311G, BAS-326G
Thread trimming mechanism
Trouble symptom Connector No. and position
• Thread trimming does not operate. (No error displayed)
• Digital tension does not operate. (No error displayed)
[Digital tension specifications]
• Analog tension does not operate. (No error displayed)
[Analog tension specifications]
Sewing operations
Trouble symptom Connector No. and position
• Power indicator does not illuminate and sewing machine
does not operate.
• Operation is unstable.
• [E403] is displayed when the power is turned on and the
sewing machine does not start.
4713Q
4714Q
5244Q
4717Q
5243Q