WindO/I-NV4 User’s Manual 36-1
36
Troubleshooting
This chapter describes the errors that may occur with the MICRO/I and the measures necessary to correct these
errors.
The MICRO/I displays a variety of error messages in order to assist you in quickly analyze and resolve problems with
the hardware, communications system, and user screen data.
1.1 Errors Displayed on the Screen
The following error messages are displayed in the event of communication system problems and problems with user
screen data. When an error occurs, take the appropriate indicated action. If an error persists despite your attempts to
correct it, contact your vendor or IDEC Corporation.
Chapter 36 Troubleshooting
1 Error Messages
HG3G
HG2G-5FHG5G-V HG4G-V HG3G-V HG2G-V HG2G-5T
HG4G HG1G HG1P
Error Message Cause Solution
Waiting for default screen No. The default screen number is set at 0. Either write the screen number to the
System Area display screen number
region, or set the initial screen number
to a number other than 0.
No screen data The specified Base Screen does not exist. Set the Base Screen and download it to
the MICRO/I.
No SD memory card exists No SD memory card inserted when the unit attempted
to access the SD memory card.
Insert a SD memory card.
No USB flash drive exists No USB flash drive inserted when the unit attempted to
access the USB flash drive.
Insert a USB flash drive.
This SD memory card not
available
• The type of inserted SD memory card is not
recognized.
• The SD memory card is broken.
Please use a new recommended SD
memory card.
This USB flash is not available • The type of USB flash drive is not recognized.
• The USB flash drive is broken.
Please use a new recommended USB
flash drive.
SD memory card Access Error When the unit attempted to access the SD memory
card:
• The SD memory card did not have enough free
space.
• The SD memory card was removed partway
through.
• The SD memory card was broken.
Create some free space on the SD
memory card or get a new one.
USB flash Drive Access Error When the unit attempted to access the USB flash drive:
• The USB flash drive did not have enough free space.
• The USB flash drive was removed partway through.
• The USB flash drive was broken.
Create some free space on the USB
flash drive or get a new one.
ZNV file is not found The ZNV Project File was not in the specified location on
the external memory device when a download was
made using the Project Data Transfer function.
Check whether or not the file is in the
specified location on the external
memory device.
ZLD file is not found The ZLD Project File was not in the specified location on
the external memory device when a download was
made using the PLC Program Transfer function.
Check whether or not the file is in the
specified location on the external
memory device.
ZNV file format Error When a download was made using the Project Data
Transfer function:
• The ZNV Project File format is invalid.
• The file is corrupt.
Remake the ZNV Project File.
ZLD file format Error When a download was made using the PLC Program
Transfer function:
• The ZLD Project File format is invalid.
• The file is corrupt.
Remake the ZLD Project File.
Product Series is not correct When a download was made using the Project Data
Transfer function, the model of the downloaded project
and the model of the destination MICRO/I were
different
Check that the model name that is set in
the file you want to download is the
same as the model name of the
destination MICRO/I.