YASKAWA ELECTRIC
SIEP C710617 19A YASKAWA AC Drive CR700 Technical Manual
327
The load is locked up.
Examine the machine.
The holding brake is stopping the motor. Release the holding brake.
E5
MECHATROLINK
Watchdog Timer Err
The drive detected a watchdog circuit
exception while it received data from
the controller.
Examine the MECHATROLINK cable connection.
If this error occurs frequently, examine the wiring
and decrease the effects of electrical interference as
specified by these manuals:
•
MECHATROLINK-II Installation Guide
(MECHATROLINK Members Association,
manual number MMATDEP011)
•
MECHATROLINK-III Installation Guide
(MECHATROLINK Members Association,
manual number MMATDEP018)
EF0
Option Card External Fault
The communication option card
received an external fault from the
controller.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input from the
controller.
A programming error occurred on the
controller side.
Examine the operation of the controller program.
EF1
External Fault (Terminal
S1)
MFDI terminal S1 caused an external
fault through an external device.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect.
Correctly connect the signal line to MFDI terminal
S1.
External Fault [H1-01 = 20 to 2B]
is set
to MFDI terminal S1, but the terminal is
not in use.
Correctly set the MFDI.
EF2
External Fault (Terminal
S2)
MFDI terminal S2 caused an external
fault through an external device.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect.
Correctly connect the signal line to MFDI terminal
S2.
External Fault [H1-02 = 20 to 2B]
is set
to MFDI terminal S2, but the terminal is
not in use.
Correctly set the MFDI.
EF3
External Fault (Terminal
S3)
MFDI terminal S3 caused an external
fault through an external device.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect.
Correctly connect the signal line to MFDI terminal
S3.
External Fault [H1-03 = 20 to 2B]
is set
to MFDI terminal S3, but the terminal is
not in use.
Correctly set the MFDI.
EF4
External Fault (Terminal
S4)
MFDI terminal S4 caused an external
fault through an external device.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect.
Correctly connect the signal line to MFDI terminal
S4.
External Fault [H1-04 = 20 to 2B]
is set
to MFDI terminal S4, but the terminal is
not in use.
Correctly set the MFDI.
EF5
External Fault (Terminal
S5)
MFDI terminal S5 caused an external
fault through an external device.
1. Find the device that caused the external fault
and remove the cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect.
Correctly connect the signal line to MFDI terminal
S5.
External Fault [H1-05 = 20 to 2B]
is set
to MFDI terminal S5, but the terminal is
not in use.
Correctly set the MFDI.