YASKAWA
TOEPC7106170YB YASKAWA AC Drive GA500 Installation & Primary Operation
145
Code
Name
Causes
Possible Solutions
dnE
Drive Disabled
A terminal set for
H1-xx = 6A
[Drive Enable]
turned OFF.
Examine the operation sequence.
dWA2
DriveWorksEZ Alarm
2
There was an error in the
DriveWorksEZ program.
Examine the DriveWorksEZ program and
remove the cause of the fault. This is not
a drive fault.
dWA3
DriveWorksEZ Alarm
3
There was an error in the
DriveWorksEZ program.
Examine the DriveWorksEZ program and
remove the cause of the fault. This is not
a drive fault.
dWAL
DriveWorksEZ Alarm
There was an error in the
DriveWorksEZ program.
Examine the DriveWorksEZ program and
remove the cause of the fault. This is not
a drive fault.
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
Manual (MECHATROLINK
Members Association, publication
number MMATDEP018)
EF
FWD/REV Run
Command Input Error
A forward command and a
reverse command were input at
the same time for longer than
0.5 s.
Examine the forward and reverse
command sequence and correct the
problem.
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 caus.
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 = 2C to
2F]
is set to MFDI terminal S1,
but the terminal is not in use.
Correctly set the MFDI.