S-7780A
7. TROUBLESHOOTING
71
Switch-related errors
Code Cause
Remedy
E050
Machine head is detected as being tilted back when
start sewing.
・
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.
E051
Machine head is detected as being tilted back
during sewing.
Turn off the power and check the connection of
connector P2.
E055
Machine head is detected as being tilted back when
power was turned on.
・
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.
E065
A disabled key was being pressed when the power
was turned on.
Turn the power off and then back on again.
* Do not press a disabled key while turning on the
power.
E066
The hand switch was being pressed when the
power was turned on.
Turn the power off and then back on again.
* Do not press the hand switch when turning on the
power.
E090
Connection of treadle was not detected when
power was turned on.
Turn off the power and check the connection of
connector P7.
E095
Treadle or standing operation pedal was being
pressed when power was turned on.
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.
Sewing machine motor-related errors
Code
Cause
Remedy
E111
The needle up stop position exceeded the specified
value when the sewing machine motor stopped.
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
E112
The needle up or needle down stop position did not
reach the specified value when the sewing machine
motor stopped.
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
E113
The needle down stop position exceeded the
specified value when the sewing machine motor
stopped.
Turn off the power and check if the sewing machine
motor or thread trimming mechanism is stiff or not.
E130
Sewing machine motor did not operate at sewing
start or during sewing.
・
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.
E131
Sewing machine motor encoder connection was not
detected when power was turned on.
Turn off the power and check the connection of
connector P4.
E132
Abnormal sewing speed of sewing machine motor
was detected during sewing.
Turn off the power and check the connection of
connector P4.
E133
Abnormal signal of sewing machine motor encoder
was detected during sewing.
Turn off the power and check the connection of
connector P4.
E140
Sewing machine motor ran in opposite direction to
the direction specified during sewing.
Turn off the power and check the connection of
connector P4.
E150
Abnormal overheating detected in sewing machine
motor.
Turn off the power and check the sewing conditions.
E151
Motor overheating sensor connection was not
detected.
Turn off the power and check the connection of
connector P4.
E161
Sewing machine motor overload was detected
during sewing.
Turn off the power and check the sewing conditions.
E190
Sewing machine motor was running continuously
for too long during sewing.
Turn the power off and then back on again.
E191
Thread trimming solenoid operation was not
completed within the specified period.
Turn off power and check if the thread trimming
mechanism is stiff.
Содержание S-7780A
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Страница 83: ...S 7780A 8 7 SEGMENT DISPLAY 74 8 7 SEGMENT DISPLAY ...