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BAS-311E.311EL.326E.326EL
Chapter 6 Power supply and electrical parts adjustment
• Home position is not properly detected.
• Error [E.A1] appears.
• Forward feed does not operate correctly.
• Error [E.A1] appears.
• Sideways feed does not operate correctly.
• Error [E.A1] appears.
Connector No. and position
Problem
■ Contact failure
• The connectors functions are divided into four 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.
• Ffor the details of connections, refer to the control circuit block diagram at the end of this manual.
1. Feed mechanism
2. Work clamp lifter and thread trimmer mechanisms
• The work clamp does not operate. BAS-311E (Solenoid type)
• Thread trimming is not performed.
• Thread wiper does not operate.
• The work clamp does not oeprate.
• The work clamp does not operate.
• The machine does not operate.
Main PCB
Main PCB
Main PCB
Main PCB
Main PCB
X home
position
sensor
Y home
position
sensor
Y pulse motor
X pulse motor
Foot switch
Control
box
Wiper
solenoid
Thread
trimming
solenoid
Sewing
clamp
solenoid
Presser
foot
solenoid
