Brother Z-8550B Instruction Manual page 151

Code
E132 Abnormal sewing speed of sewing machine motor
was detected during sewing.
E140 Sewing machine motor ran in opposite direction to
the direction specified during sewing.
E150 Abnormal overheating detected in sewing machine
motor.
E151 Motor overheating sensor connection was not
detected.
E161 Sewing machine motor overload was detected
during sewing.
E190 Sewing machine motor was running continuously
for too long during sewing.
E191 Thread trimming solenoid operation was not
completed within the specified period.
Zigzag mechanism-related errors
Code
E200 Zigzag motor home position could not be
detected.
E201 The zigzag motor stopped abnormally.
E251 Abnormal zigzag motor overheating detected or
zigzag motor overheating sensor was not
detected.
Communication and memory-related errors
Code
E400 Connection of panel was not detected when
power was turned on.
E410 Communication error with panel occurred when
power was turned on.
E422 An error occurred while reading from USB media.
E424 Not enough free space in the USB media.
E425 An error occurred while writing to USB media.
E430 Customized data cannot be written.
E431 Customized data cannot be read.
E440 Data could not be written to the backup memory
(main internal P.C. board).
E441 Data could not be read from the backup memory
(main internal P.C. board).
Cause
Cause
Cause
Remedy
Turn off the power and check the connection of
connector CN16.
Turn off the power and check the connection of
connector CN16.
Turn off the power and recheck the sewing
conditions.
Turn off the power and check the connection of
connector CN16.
Turn off the power and recheck the sewing
conditions.
Turn the power off and then back on again.
Turn off power and check if the thread trimming
mechanism is stiff.
Remedy
Turn off the power and check the connections of
the 6-pin zigzag motor connector and connector
CN17.
Turn off the power and move the needle bar
sideways to check if the zigzag motor is stiff or
not.
• Turn off the power and check the sewing
conditions.
• Turn off the power and check the connection
of connector CN17.
Remedy
Turn off the power and check the connection of
connector CN6.
Turn off the power and check the connection of
connector CN6.
• Press the RESET key.
• Check the files in the USB media.
• Press the RESET key.
• Increase the amount of free space.
• Press the RESET key.
• Use the specified USB media.
Turn the power off and then back on again.
Turn the power off and then back on again.
Turn the power off and then back on again.
Turn the power off and then back on again.
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