Thread trimming mechanism ; Sewing operations ; 8. ELECTRICAL MECHANISM - Page 124

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