JUKI SC-956, Instruction Manual

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Error
code
Description of error Cause Item to be checked
E955 Electric current sensor
error ・ Main motor shaft failure.
・ Electric current sensor failure.
・ Check whether the main shaft motor has
short-circuited.
E961 Pitch motor deviation
error ・ In the case the pitch motor fails to
operate because of an excessive
load.
・ Check whether the pitch motor runs
smoothly.
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 ap-
plied 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 ap-
plied with an excessive load.
・ Check whether the pitch motor runs
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.
E985 Pitch motor return-to-ori-
gin error ・ In the case the pitch motor has
failed to return to its origin.
・ Check whether the origin of the pitch motor
has been adjusted properly.
E986 Both needles reset error ・ Both needles have not been reset ・ Whether the solenoid operates smoothly
without hitches.
E987 Needle bar position sen-
sor detection error ・ Both needles position could not be
detected.
・ Check the detection sensor.
E999 Main software rewriting ・ In the case of rewriting the main
software.
・ It is not an error.