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BAS-311E.311EL.326E.326EL
Chapter 6 Power supply and electrical parts adjustment
3. Sewing operation
• The work clamp does not operate.
• (For BAS-311E solenoid type, there is no need to carry out wiring to
air valves.)
• The power lamp is not lit, and nothing operates.
• Machine operation is unstable.
• The feed mechanism does not operate.
• The work clamp and the presser foot do not operate.
• Error [E.A1] appears.
• The machine motor does not run.
• Motor operation is unstable.
• Needle up stop position is not correct.
• Error [E.20] appears.
• Error [E.22] appears.
• The machine motor does not run.
• Motor operation is unstable.
• Needle up stop position is not correct.
• Error [E.20] appears.
• Error [E.22] appears.
• The machine motor does not run.
• Motor operation is unstable.
• Needle up stop position is not correct.
• Error [E.20] appears.
• Error [E.22] appears.
• The power lamp is not lit, and nothing operates.
• Machine operation is unstable.
Main PCB
Main PDB
Main PDB
Main PCB
Air valve
Power switch
Conversion transformer
Power supply circuit board
Power supply circuit board
Power supply circuit board
Power supply circuit board
Main PDB
Synchronizer