Brother S-7200C Instruction Manual page 76

14. TROUBLESHOOTING
Error code
E090
・ Is the 4-pin treadle connector inside the control box disconnected?
Treadle connector
is not connected.
E091
・ The settings in "Setting method for standard depression stroke" may be incorrect.
・ Problem with treadle unit.
E095 ・ Was the power ON switch pressed while the treadle was still depressed?
・ Is the power supply voltage too low?
E100
・ This appears on the display when the sewing machine has continued to be used for
a certain period after the "GrEASEUP" or "GrUP" notification appears without the
grease being applied (without the reset procedure being carried out).
E111
・ The sewing machine could not stop correctly at the needle up stop position after
thread trimming.
The sewing machine or motor do not operate when the treadle is depressed.
E130
・ Is the 4-pin motor connector inside the control box disconnected?
・ Has the sewing machine locked up?
・ Problem with control box.
E131
・ Is the 10-pin resolver connector inside the control box disconnected?
Problem with
motor encoder
・ Problem with motor or main P.C. board.
signal.
E132 ・ Problem with motor.
Problem with
・ Problem with drive P.C. board.
motor operation.
E134
・ Is the 4-pin motor connector inside the control box disconnected?
Motor open phase
detected
・ Problem with drive P.C. board or motor.
69
Press the power OFF switch, and then check that the 4-pin treadle connector is
connected to connector P14 on the main P.C. board.
If there is a broken wire in the cord of the treadle connector, replace the treadle
unit.
Redo the settings in "Setting method for standard depression stroke".
Replace the treadle unit.
Return the treadle to the neutral position. When the treadle neutral position is
detected, the error will be cleared and normal operation will then be possible.
Check the power supply voltage.
Press the power OFF switch, apply grease, and then carry out the reset
procedure.
Remove any thread scraps that may be blocking the motor.
Press the power OFF switch and then turn the machine pulley by hand and
check that it turns easily.
Check that there are no problems with the thread trimming mechanism.
Press the power OFF switch and check the connection of the 4-pin motor
connector.
Press the power OFF switch and then turn the machine pulley by hand and
check that it turns easily.
Replace the control box.
Press the power OFF switch, and then check that the 10-pin resolver connector
is connected to connector P6 on the main P.C. board.
Replace the motor or the control box.
Replace the motor.
Replace the control box.
Press the power OFF switch and check the connection of the 4-pin motor
connector.
Replace the control box or the motor.
Possible cause
S-7200C
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