Yaskawa MP3200 Troubleshooting Manual - Manual (Page 35)

2.2 CPU Unit/CPU Module Indicators and Display
Display
2-13
T
roubleshooting with Indicators and Displays
A241:
Internal temperature
rise detected
 
The CPU temperature is
close to the operating
limit.
Check SB00041F (tem-
perature warning).
Change the installa-
tion environment to
lower the temperature
around the CPU.
If the CPU tempera-
ture increases and an
error occurs, turn OFF
the power supply to
the Controller and
change the installa-
tion environment.
A301:
USB memory write
error
 
An error occurred while
writing data to a file on the
USB memory device.
Make sure that the USB
memory device is inserted
properly.
Reinsert the USB
memory device.
Check the USB memory
device.
Make sure that there is
space available on the
USB memory device.
A302:
USB memory read
error
 
An error occurred while
reading data from a file on
the USB memory device.
Make sure that the USB
memory device is inserted
properly.
Reinsert the USB
memory device.
Check the USB memory
device.
Make sure that there is
space available on the
USB memory device.
A303:
Security error
 
User attempted to load
data while online security
was enabled.
Check the status of the
online security setting. Disable online secu-
rity.
A304:
Memory diagnosis
error for user program
 
An error occurred in the
user memory data that is
stored in flash memory.
Turn ON the INIT switch,
turn the power supply OFF
and ON again, and save the
data to flash memory
again.
If an alarm occurs even
after the power supply is
turned OFF and ON again
several times, the flash
memory may be faulty.
Replace the CPU.
A305:
Folder for batch load-
ing does not exist
 
There is no data for batch
loading on the USB mem-
ory device.
Check the USB memory
device.
Retry execution of a
project transfer from
the MPE720 to the
USB memory.
A306:
Load file model mis-
match error
 
The model in the batch
loading file on the USB
memory does not match.
Check the USB memory
device.
Retry execution of a
project transfer from
the MPE720 to the
USB memory.
A307:
Loading error due to
program write protec-
tion
 
A batch load operation
was performed with pro-
gram write protection
enabled. Check the Write Protect
setting under Environ-
ment Setting
− System
Setting.
Set Write Protect to
Writable, and exe-
cute the batch load
again.
A308:
Load file write error
 
Data could not be written
to the Controller during
batch loading.
Check the available space
in the Controller. Double-check the
batch transfer data.
Continued on next page.
Continued from previous page.
Alarm Code
Alarm Name
MP3200 MP3300
Cause Confirmation Method Correction