YASKAWA SVC User Manual page 520

10.3 Precautions for Inverter Operation
 Command Error Completed Status
If Drive Permission is turned OFF during execution of the Inverter Drive Control command,
Command Error Completed Status (IW09 bit 3) turns ON. To clear the Command Error
Completed Status, change the command to NOP and perform the recovery operation.
The recovery procedure is the same as steps 5 to 9 of the procedure in
Permission on page 10-17, on the previous page.
Note: You cannot use Alarm Clear in the Command Error Completed Status.
Command
(OW
Drive Permission
(OW
Alarm Clear
(OW
Forward RUN or
Reverse RUN
(OW
Main circuit
power supply
Device Warning
Occurrence
(IW
Device Alarm
Occurrence
(IW
Inverter Ready
(IL
Operation Ready
(IW
Command Error
Completed Status
(IW
10-18
08)
00 bit D)
00 bit F)
10 bit 0 or 1)
2C bit 1)
2C bit 0)
2A bit 6)
00 bit 0)
09 bit 3)
Inverter Drive Control (= 1)
You cannot use
Alarm Clear in the
Command Error
Completed Status.
The Inverter Drive Control command
is being maintained, so Drive
Permission cannot be turned ON.

Turning OFF Drive