Mitsubishi 900 Series User Manual page 83

9 ERROR CODES AND ERROR MESSAGES
9 - 8
(b) The GOT will display the following messages if you attempt to install
ROM_BIOS of a version earlier than the version of ROM_BIOS installed in
the GOT.
Should the following messages appear due to wrong operation you
performed, there will be no problems since installation is not executed and
ROM_BIOS is not rewritten.
ROM_BIOS setup Ver1. 1. 0 [B]
Don't turn off the power supply
Don't push the reset button.
ROM_BIOS Not Rewiterble.
GOT stopped
Please install operating system.
If the above messages have appeared, hold the above screen in that status
and install the standard monitor OS, communication driver and so on.
MELSEC-GOT
9 - 8