JUKI AC-172N-1790AN Instruction Manual page 127

Error
code
E733
E798
E799
E801
E802
E811
E813
E901
E902
E903
Description of error
Reverse rotation of main shaft motor
When sewing machine motor rotates in reverse direc-
tion.
Needle throwing operation failure
In the case the needle throwing operation does not
match the number of stitches
Needle throwing operation failure
In the case the needle throwing operation does not
match the number of stitches
Phase-lack of power
When phase-lack of input power occurs.
Power instantaneous cut detection
When input power is instantaneously OFF.
Overvoltage
When input voltage is 280V or more.
Low voltage
When input voltage is 150V or less.
Abnormality of main shaft motor IPM
When IPM of servo control p.c.b. is abnormal.
Overcurrent of main shaft motor
When current flows excessively to sewing machine
motor.
Abnormality of stepping motor power
When stepping motor power of servo control p.c.b.
fluctuates ±15% or more.
− 123 −
How to Place of
recover recovery
Turn OFF the
power.
Tu r n O F F t h e
power.
Tu r n O F F t h e
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.
Turn OFF the
power.