JUKI PLC-2710V Instruction Manual page 93

Error
Description of error
code
E967 Deviation error of the al-
ternating vertical move-
ment motor
E971 Pitch motor IPM over-
current protection
E972 Pitch motor overload
E975 Presser motor IPM
over-current protection
E976 Presser motor overload
E977 CPU fault
E978 Network communication
fault
E979 IPM overcurrent protec-
tion
E980 Alternating vertical
movement amount mo-
tor overload
E985 Pitch motor return-to-or-
igin error
E986 Alternating vertical
movement amount mo-
tor origin return-to-origin
error
E987 Suspended ruler re-
turn-to-origin error
E999 Main software rewriting
Cause
• The alternating vertical movement motor
is overloaded.
• Pitch motor maloperation.
• In the case the pitch motor is applied
with an excessive load.
• Presser motor maloperation.
• In the case the presser motor is applied
with an excessive load.
• In the case of a program fault.
• In the case the data received from the
network is damaged.
• Alternating vertical movement amount
motor operation failure
• The alternating vertical movement
amount motor is overloaded.
• In the case the pitch motor has failed to
return to its origin.
• In the case the alternating vertical
movement amount motor has failed to
travel to its origin.
• In the case the suspended ruler motor
has failed to travel to its origin.
• In the case of rewriting the main soft-
ware.
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Item to be checked
• Does the alternating vertical move-
ment motor move smoothly without
hitch?
• Check whether the pitch motor runs
smoothly.
• Check whether the presser motor
runs smoothly.
• Does the alternating vertical move-
ment amount motor move smoothly
without hitch?
• Check whether the origin of the pitch
motor has been adjusted properly.
• Is the origin of the alternating vertical
movement amount motor adjusted
incorrectly?
• Is the origin sensor (CN97) of the
suspended ruler is properly connect-
ed?
• It is not an error.