Brother S-7250A Instruction Manual page 84

7. TROUBLESHOOTING
Switch-related errors
Code
E050 Machine head is detected as being tilted back when
start sewing.
E051 Machine head is detected as being tilted back
during sewing.
Machine head is detected as being tilted back when
E055
power was turned on.
A disabled key was being pressed when the power
E065
was turned on.
The hand switch was being pressed when the
E066
power was turned on.
E090 Connection of treadle was not detected when
power was turned on.
Treadle or standing operation pedal was being
E095
pressed when power was turned on.
Sewing machine motor-related errors
Code
The needle up stop position exceeded the specified
E111
value when the sewing machine motor stopped.
E112 The needle up or needle down stop position did not
reach the specified value when the sewing machine
motor stopped.
The needle down stop position exceeded the
E113
specified value when the sewing machine motor
stopped.
Sewing machine motor did not operate at sewing
E130
start or during sewing.
E131 Sewing machine motor encoder connection was not
detected when power was turned on.
Abnormal sewing speed of sewing machine motor
E132
was detected during sewing.
E133 Abnormal signal of sewing machine motor encoder
was detected during sewing.
Sewing machine motor ran in opposite direction to
E140
the direction specified during sewing.
E150 Abnormal overheating detected in sewing machine
motor.
Motor overheating sensor connection was not
E151
detected.
Sewing machine motor overload was detected
E161
during sewing.
E190 Sewing machine motor was running continuously
for too long during sewing.
Thread trimming solenoid operation was not
E191
completed within the specified period.
75
Cause
Cause
S-7250A
Remedy
・Turn off the power, and then return the machine
head to its original position.
・Turn off the power and check the connection of
connector P2.
Turn off the power and check the connection of
connector P2.
・Turn off the power, and then return the machine
head to its original position.
・Turn off the power and check the connection of
connector P2.
Turn the power off and then back on again.
* Do not press a disabled key while turning on the
power.
Turn the power off and then back on again.
* Do not press the hand switch when turning on the
power.
Turn off the power and check the connection of
connector P7.
Return treadle unit or standing up operation pedal to
original portion.
* Do not press the treadle or the standing operation
pedal when turning on the power.
Remedy
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
・Turn off the power and check if the sewing machine
motor is stiff or not.
・Turn off the power and check the connections of the
sewing machine motor connector and connector
P4.
Turn off the power and check the connection of
connector P4.
Turn off the power and check the connection of
connector P4.
Turn off the power and check the connection of
connector P4.
Turn off the power and check the connection of
connector P4.
Turn off the power and check the sewing conditions.
Turn off the power and check the connection of
connector P4.
Turn off the power and check the sewing conditions.
Turn the power off and then back on again.
Turn off power and check if the thread trimming
mechanism is stiff.