Brother Z-8550A 사용자 매뉴얼

 

 

Z-8550A, 8560A 

114

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet 
before opening the cover of the control box. Touching areas where high voltages are present can result in severe 
injury. 

If a malfunction should occur with the sewing machine, a buzzer will sound and an error code will appear in the display 
window. 
Follow the remedy procedure to eliminate the cause of the problem. 
 

Code 

Cause and remedy 

Err 50 

Tilted back sewing machine has been detected. Check the operation of the safety switch. Turn off the power 
before tilting back the machine head. 

Err 65 

Operation panel key was being pressed or actuator switch was being pressed while the power was turned on, 
or malfunction of a key. Turn off the power switch and check. 

Err 90 

Poor connection of treadle unit cord. Turn off the power switch and check. 

Err 91 

Problem with standard setting of treadle stroke. Readjust the treadle stroke to the standard setting. 

Err 95 

Treadle was being depressed when power was turned on. Turn off the power switch, set the treadle to the 
neutral position and then turn the power back on. 

 

Code 

Cause and remedy 

Err 100 

Turn off the power and apply grease, and then carry out the reset operation. 

Err 101 

 

DIP switch No.4 inside the control box is set to ON. Turn off the power and set DIP switch No.4 to OFF. 

Err 111 

Needle bar does not stop in the needle up position and thread wiper cannot operate. Check the needle bar 
position. 

Err 130 

Sewing machine motor does not operate. Motor 4P connector is not connected correctly, sewing machine is 
locked, or malfunction of control devices. Turn off the power switch, and check the motor 4P connector or turn 
the pulley and check if it turns stiffly. 

Err 131 

Encoder connector (P13) of sewing machine motor is not connected correctly, or malfunction of encoder P.C. 
board.  
Turn off the power switch and check. 

Err 132 

Sewing machine motor is operating abnormally

.

 Malfunction of encoder P.C. board, or encoder connector 

(P13) of sewing machine motor is not connected correctly. Turn off the power switch and check. 

Err 150 

Sewing machine motor is overheating abnormally. Displayed when the temperature protection has been 
activated. After the temperature has dropped, turn the power back on. 

Err 151 

Temperature sensor of sewing machine motor is not connected correctly. Turn off the power switch and check.

Err 190 

Sewing machine motor has operated continuously for 3 minutes or more. Sewing machine motor overtime 
error. Turn off the power switch and then turn the power back on again. 

Err 191 

Thread trimmer solenoid overtime error. (Thread trimming was not completed.) 

 

Code 

Cause and remedy 

Err 200 

Needle zigzag motor home position cannot be detected. Needle zigzag motor connector is not connected 
correctly to the needle zigzag encoder connector, or problem with needle zigzag motor. Turn off the power 
switch and check. 

Err 201 

Needle zigzag motor stopped due to a problem. Turn off the power switch, move the needle bar sideways and 
check that it does not move stiffly. 

Err 202 

Problem with needle zigzag motor home position adjustment data. Re-adjust the home position.