Brother Z-8550A Instruction Manual page 88

Error code
• Is the motor connector 4P disconnected from
Err 130
(Upper shaft
motor locked）
• Has the machine locked up?
• Is the encoder connector 14P inside the
Err 131
(Upper shaft
encoder not
connected)
• This appears on the display when the sewing machine has been operating
Err 190
(Over time)
Err 191 • This appears on the display if the needle bar does not move to the needle up stop
(Thread trimming
overtime error:
8560A)
Err 200 • Is the 5-pin zigzag motor encoder connector
(Zigzag home
position error)
• A problem with the zigzag motor caused it to stop.
Err 201
(Needle zigzag
error)
the control box?
Insert the connector securely.
Turn off the power and then turn the
machine pulley by hand and check that it
turns easily.
control box disconnected?
Insert the connector securely.
continuously for 3 minutes or more.
Turn the power switch off and then back on again, and then operate the sewing
machine normally.
position after the treadle is depressed backward.
Check that the thread is not tangled around the rotary hook or the knife unit.
Check if there is a problem with the thread trimming mechanism.
or the 5-pin zigzag motor connector inside
the control box disconnected?
Insert the connector securely.
Check if there is a problem with the left and right movement of the needle bar.
Possible cause
Z-8550A, 8560A
15. TROUBLESHOOTING
Page
3563M
11*
11*
3564M
*
11*
3565M
80