– 83 –
No. Description of error detected Cause of occurrence expected Items to be checked
E811 Overvoltage • When voltage higher than guaranteed • Check whether the applied power voltage
one is inputted. is higher than the rated voltage + (plus) 10%
or more.
• When the 100V input power is applied • Check whether 100V/200V changeover
int the state of 200V setting. connector is improperly set.
• JUS : 220V is applied to the box of 120V. In the aforementioned cases, POWER
• CE : 400V is applied to the box of 230V. p.c.b is broken.
E813 Low voltage • When voltage lower than guaranteed • Check whether the voltage is lower than
one is inputted. the rated voltage - (minus) 10% or less.
• When the 100V input power is applied • Check whether 100V/200V changeover
int the state of 200V setting. connector is improperly set.
• JUS : 120V is applied to the box of 220V.
•Inner circuit is broken by the applied • Check whether fuse or regenerative
overvoltage resistance is broken.
E906 Communication trouble between • Operation panel cord is disconnected. • Check whether operation panel connectors
operation panels • Operation panel is broken. (CN34 and CN35) are loosened or
disconnected.
• Check whether operation panel cord is
disconnected since the cord is caught
with machine head.
E924 Motor driver failure • Motor driver has broken.
E944 Left needle control impossible • Left needle has shifted from the origin • Check whether the left needle origin
(When LH-4168, or 4188 is selected) during holding it. sensor is broken.
• Left needle has shifted from the origin • Check whether needle bar has shifted
during releasing left needle. from the holding position by the exterior
force.
• Check whether the needle control con-
nectors (CN55 and CN56) have come
loose or are dislodged.
• Check whether the present program is
arranged for the simultaneous driving of
multiple solenoids with the step pattern
of IP-110.
E945 Right needle control impossible • Right needle has shifted from the origin • Check whether the right needle origin
(When LH-4168, or 4188 is selected) during holding it. sensor is broken.
• Right needle has shifted from the origin • Check whether needle bar has shifted
during releasing left needle. from the holding position by the exterior
force.
• Check whether the needle control con-
nectors (CN55 and CN56) have come
loose or are dislodged.
• Check whether the present program is
arranged for the simultaneous driving of
multiple solenoids with the step pattern
of IP-110.
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