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WARNING :
When it is necessary to open the control box containing electrical parts, be sure to turn the power off and wait for ve minutes or more before opening the cover in
order to prevent accident leading to electrical shock. If the work is performed while the power is ON, never touch other than necessary parts.
Trouble Cause (1) Cause (2) Check and corrective measures
5. When turning ON the READY
key, error E007 appears.
5-1) The machine head main motor
does not rotate.
1-A) The main motor is wrongly
connected.
Check the connection of CN17 of the SDC board.
1-B) The mechanism is locked. Check the cause that the mechanism is locked.
1-C) The driver is out of order. Replace the SDC board.
6. When turning ON the READY
key, error E929 appears.
6-1) The needle thread clamp mo-
tor does not operate normally.
1-A) The main motor is wrongly
connected.
Check the connection of CN45 of the MAIN board.
If there is no problem in connections, replace the INT board or
MAIN board or needle thread clamp motor.
1-B) Abnormality of the encoder
signal
Check the connection of CN77 of the INT board.
If there is no problem in connections, replace the INT board or
MAIN board or needle thread clamp motor.
1-C) Motor power is not supplied. Check the connection of CN31 of the MAIN board.
If there is no problem in connections, replace the MAIN board
or SDC board.
Fuse F1 of the MAIN board has blown.
Replace the fuse or MAIN board.
Fuse F2 of the SDC board has blown.
Replace the fuse or SDC board.
7. When turning ON the READY
key, error E910 appears.
7-1) The work clamp foot lifting mo-
tor can not be carried out the
origin retrieval.
1-A) The motor does not rotate. Check the connection of CN44 of the MAIN board.
If there is no problem in connections, replace the MAIN board.
Check the resistance value of the work clamp foot lifting motor.
If there is a problem with the resistance value, replace the
work clamp foot lifting motor.
Check the mechanism that can turn lightly until detecting the
sensor origin.
If there is a problem with the mechanism, remove the cause of
torque.
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