Brother KE-430B Service Manual page 150

8. ELECTRIC MECHANISM
８-４-２. Contact failure
The connectors functions are divided into five categories. Some connectors may belong to more than one
group. Be sure to investigate another category if a problem is not found in one category.
For the details of connections, refer to the control circuit block diagram at the end of this manual.
1. Feed mechanism
• The feed mechanism operates but the home position is not
detected correctly.
• Error E-A0 is displayed. ([E.A1] KE-436B, 436C)
• The work clamp does not operate.
• Error E-61 is displayed. (solenoid specification only)
• Forward feed does not operate correctly.
• Error E-A0 is displayed. ([E.A1] KE-436B, 436C)
• Sideways feed does not operate correctly.
• Error E-A0 is displayed. ([E.A1] KE-436B, 436C)
2. Work clamp lifter and thread trimmer mechanisms
• The work clamp does not operate.
• The machine does not operate.
• The work clamp does not operate.
• Error E-61 is displayed. (solenoid specification only)
• Thread trimming is not performed.
• Thread take-up lever does not operate.
143
Problem
Problem
KE-430B, 430C series
Connector No. and position
* Not used with pneumatic specifications.
Connector No. and position
* Not used with pneumatic specifications.
3654Q
3655Q
3656Q
3657Q
3658Q
3659Q