Omron V750-BA50D04-SG-MY User Manual page 127

Errors
1) Illegal File Format. Confirm Update File.
You may indicate incorrect file as a firmware file. Confirm the firmware file and if the file is correct, try
again after rebooting.
2) File Transfer Error. Please Restart System.
Though correct firmware file is indicated, file is broken in transferring in the network. Try again.
If update process is failed with indicating incorrect update file or another reason, LED of ERR lights and
web browser displays as the following. The LEDs of IN1-4 and OUT1-4 maintains the status and it is not
rebooted.
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