S-7000DD
8. TROUBLESHOOTING
40
Error code
Possible cause
Page
E150
Motor is
overheating.
・
This is displayed when the motor becomes abnormally hot and the temperature
protection has activated.
After the temperature has dropped, turn on the power switch and operate the
sewing machine as normal.
E151
Problem with
motor
overheating
sensor.
・
The connection of the 10-pin resolver connector at the control box is faulty.
Turn off the power switch, and then check the connection of the 10-pin resolver
connector.
・
Problem with motor or main PCB.
Replace the motor or the control box.
**
E161
Motor overload
protection
・
This is displayed when a motor overload operation has occurred.
Turn off the power switch, and then turn the pulley by hand and check that it
turns easily.
・
Problem with motor.
Replace the motor.
E190
Motor timeout.
・
This appears on the display when the sewing machine has been operating
continuously for 3 minutes or more.
Turn the power switch off and then back on again, and then operate the sewing
machine normally.
E191
Thread trimming
solenoid timeout.
・
This is displayed if the sewing machine motor locks during thread trimming.
Remove any thread scraps that may be blocking the motor.
Check that there are no problems with the thread trimming mechanism.
*
**
E410
Error
communicating
with operation
panel.
・
Is the 8-pin operation panel connector at the control box disconnected?
Turn off the power switch, and then check the connection of the 8-pin operation
panel connector.
7*
E440
Error writing data
to main PCB.
・
Problem with main PCB.
Replace the control box.
**
E441
Error reading data
from main PCB.
・
Problem with main PCB.
Replace the control box.
**
E442
Problem with data
on main PCB.
・
The data on the main PCB is corrupted. Corrupt data was initalized.
Turn the power off and then back on again.
E451
Error writing data
to head detector
unit.
・
Data could not be correctly written to the panel when adjusting the needle up stop
position.
Repeat the write operation.
・
Alternatively, turn the power off and then back on again to reset the machine.