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Error
code
Description of error Cause Item to be checked
E962 Presser motor deviation
error
• In the case the presser fails to operate
because of an excessive load.
• Check whether the presser motor
runs smoothly.
E963 IPM temperature error • In the case the temperature of the CTL
PCB is excessively high.
E965 Pitch motor temperature
error
• In the case the pitch motor is applied
with an excessive load.
• Check whether the pitch motor runs
smoothly.
E971 Pitch motor IPM overcur-
rent protection
• Pitch motor maloperation.
E972 Pitch motor overload • In the case the pitch motor is applied
with an excessive load.
• Check whether the pitch motor runs
smoothly.
E973 Feed driving motor IPM
overcurrent protection
• Maloperation of the feed driving motor.
E974 Feed driving motor over-
load
• In the case an excessive load is applied
to the feed driving motor.
• Check whether the feed driving motor
operates smoothly.
E975 Presser motor IPM
over-current protection
• Presser motor maloperation.
E976 Presser motor overload • In the case the presser motor is applied
with an excessive load.
• Check whether the presser motor
runs smoothly.
E977 CPU fault • In the case of a program fault.
E978 Network communication
fault
• In the case the data received from the
network is damaged.
E981 Needle rocking motor
IPM overcurrent protec-
tion
• Mal operation of the needle rocking mo-
tor.
E982 Needle rocking motor
overload
• In the case an excessive load is applied
to the needle rocking motor.
• Check whether or not the needle
rocking motor gets hitched.
E983 Needle rocking motor
deviation error
• In the case the needle rocking motor is
unable to operate since an excessive
load is applied it.
• Check whether or not the needle
rocking motor gets hitched.
E985 Pitch / feed driving mo-
tor, return-to-origin error
• In the case the pitch motor cannot travel
to its origin.
• In the case feed driving motor cannot
travel to its origin.
• Check whether or not the pitch motor
origin is incorrectly adjusted.
• Check whether or not the feed driving
motor origin is incorrectly adjusted.
E988 Needle rocking motor,
return-to-origin error
• In the case the needle rocking motor
has failed to return to its origin.
• Check whether or not the origin of
the needle rocking motor has been
incorrectly adjusted.
E999 Main software rewriting • In the case of rewriting the main soft-
ware.
• It is not an error.
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