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12 - ENGLISH
E6: Pedal Position Sensor Error
1.
It is possible to receive an E6 error message from unstable power which means it is a False error and the problem should
resolve on its own.
2.
While the motor is on and the pedal position signal received by the motor circuit board is abnormal, it is possible to get the
E6 error message. This is most common because of a faulty treadle sensor, misalignment of the sensor versus blocker, or
improper operation such as the treadle is already pressed down before the motor is turned on.
• Check the alignment of the sensor versus blocker on the treadle sensor plate. Adjust the position of the blocker if necessary
(see diagram of Proper Replacement of Treadle Sensor).
• Check the snap on connector of the treadle sensor and be sure it is securely attached. If the E6 error message no longer
appears the connector was loose.
• If the E6 error message continues to appear, then replace the treadle sensor (Dual channel sensor for positioner motors No.
SM76), and the E6 error message should no longer display.
• When replacing the treadle sensor be sure it is properly aligned. If the treadle sensor is not aligned properly you may have
a problem with the motor continuing to run after releasing the treadle (see diagram of Proper Replacement of Treadle
Sensor).
3.
If after replacing the treadle sensor and the E6 error message continues to appear the motor circuit board is likely faulty.
• Replace the motor circuit board and the E6 error message should no longer display.
E7: Back Pedal Speed Sensor Error
1.
It is possible to receive an E7 error message meaning there is a problem with the back pedal positioner needle lift.
• Check the alignment on the light blocker located on the treadle sensor plate. Adjust the position of the light blocker.
E8: The Down Position Has No Signal
1.
It is possible to receive an E8 error message which means that the down position has no signal.
• Check the connection of the synchronizer. Make sure it it is properly plugged into the back of the motor.
• Check the synchronizer. Make sure it is secure to handwheel on sewing head.
• Check the wiring. Make sure it is securely connected and there is no damage to the wire harness.
2.
If the synchronizer is securely connected and the E8 error message continues to appear the synchronizer is likely faulty.
• Replace the synchronizer and the E8 error message should no longer display.
E9: The Up Position Has No Signal
1.
It is possible to receive an E9 error message which means that the up position has no signal.
• Check the connection of the synchronizer. Make sure it it is properly plugged into the back of the motor.
• Check the synchronizer. Make sure it is secure to handwheel on sewing head.
• Check the wiring. Make sure it is securely connected and there is no damage to the wire harness.
2.
If the synchronizer is securely connected and the E9 error message continues to appear the synchronizer is likely faulty.
• Replace the synchronizer and the E9 error message should no longer display.
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