Brother S-7200C Instruction Manual page 77

Error code
E150
・ This is displayed when the motor becomes abnormally hot and the temperature
protection has activated.
Motor is
overheating.
E151 ・ Is the connector inside the motor disconnected?
Problem with
motor
overheating
sensor.
・ Malfunction of motor overheating sensor
E190 ・ This appears on the display when the sewing machine has been operating
continuously for 3 minutes or more.
Motor timeout
E191 ・ This is displayed if the sewing machine motor locks during thread trimming.
Thread trimming
solenoid timeout
E410 ・ Is the 12-pin operation panel connector inside the control box disconnected?
Error
communicating
with operation
panel
E440 ・ Problem with main P.C. board.
Error writing data
to main P.C.
board
E441
・ Problem with main P.C. board.
Error reading data
from main P.C.
board
E442
・ The data on the main P.C. board is corrupted. Corrupt data was initalized.
Problem with data
on main P.C.
board
E450 ・ Model selection could not be loaded from the head detector unit.
E451
・ Problem with head detector unit.
Error writing data
to head detector
unit
After the temperature has dropped, press the power ON switch and operate the
sewing machine as normal.
Press the power OFF switch, and then check
that the connector is securely inserted.
Replace the motor.
Turn the power switch off and then back on again, and then operate the sewing
machine normally.
Remove any thread scraps that may be blocking the motor.
Check that there are no problems with the thread trimming mechanism.
Press the power OFF switch, and then check that the 12-pin operation panel
connector is connected to connector P7 on the main P.C. board.
Replace the control box.
Replace the control box.
Turn the power off and then back on again.
Check that the head detector unit specifications are correct.
Replace the head detector unit.
Possible cause
S-7200C
14. TROUBLESHOOTING
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