11. ELECTRICAL MECHANISM

Problem No. 11 Error code is displayed while sewing machine is operating.

Cause

 

Inspection/Remedy/Adjustment

Replacement if a malfunction

 

 

 

When [Err 710] is displayed while

(Replace the part(s) indicated at right.)

Power supply P.C. board

sewing machine is operating:

 

 

Abnormal current detected in sewing

 

 

machine motor

 

 

 

Problem No. 12

Sewing machine does not stop correctly (needle down stop or needle up stop).

 

 

 

 

Cause

 

Inspection/Remedy/Adjustment

Replacement if a malfunction

 

 

 

1. Needle stop position for sewing

Try carrying out the procedures in “3-6.

-

machine motor cannot be verified.

Checking input and output”.

 

 

 

 

2. Stop position for needle zigzag

(If the needle zigzag stop position key is on,

-

motor cannot be verified

stopping will be delayed when 3-step zigzags

 

 

 

are sewn.)

 

 

 

 

 

Z-8550A, 8560A

100