Error Codes - Mitsubishi Electric PLK-E SERIES Technical Manual

Error Display
1.Power [OFF] Display
*.An [error code No.] lights on the display of the setting panel and the explanation is displayed in the liquid crystal panel.
*. When an [error code No.] is displayed, confirm the [error code No.] and investigate the cause according to the following table.
Error Code Function name
Display
Power [off] display
PWR.OF
STOP Halt switch [on]
2.[E-**] error code (Restoration impossible)
*. When the control panel detects an error, an [error code No.]lights on the display of the setting panel, and the [buzzer] sounds continuously.
*. When an [error code No.] is displayed, confirm the [error code No.] and investigate according to the following table.
*. The machine can be restored to the [normal mode] by turning [OFF] the power once and turning it On again.
Error Code Function name
Display
E-001 Main Motor over current trip
Power [off]
E-002 Over Voltage Power
Power [off]
E-003 Encoder error
Power [off]
Probable cause
*.Displayed when the power is turned [off].
While this display is on, power can be turned [on] again.
*.Power source wiring OK?
[Message] It is a termination.
*.Turn [on] the halt switch.
*.Is the halt switch wiring broken(connection failure)?
[Message] HALT SW IS PRESSED
Probable cause
*.Is the wire to the motor short-circuited?
*.Is the sewing machine load torque too high?
[Message] MOTOR OVERCURRENT DETECTION WORKED.
*.Is the power voltage too high?
*.Is the sewing machine inertia too high?
[Message] OVERCURRENT DETECTION WORKED.
*.Is the connector to the motor encoder securely inserted?
*.Are the signals from the motor encoder correct?
*.Belt ok?
*.Is the sewing machine locked?
*.Is the motor locked?
[Message] ENCODER DEFECT POWER OFF
111
Inspection
*.The display will automatically turn off after a certain time.
*.Check the halt switch wiring.
*.Turn [off] the halt switch.
*.Check the halt switch wiring.
Inspection
*.Check the motor wiring.
*.Check the sewing machine.
*.Check the power voltage.
*.Check the connector insertion.
*.Check the encoder signals.
*.Check the belt.
*.Check the sewing machine.
*.Check the motor.