2LL/2LJ/2LH-2
1-6-1
1-6 Requirements on PWB Replacement
1-6-1 Upgrading the firmware
Follow the procedure below to upgrade the firmware of main PWB, operation PWB, engine PWB, ISC PWB,
optional language and optional devices.
Preparation
Extract the file that has the download firmware and put them in the USB flash device.
Procedure
1. Perform maintenance item U000 (main-
tenance report output) and check U019
ROM version.
2. Press the power key on the operation
panel, and after verifying the power
indicator has gone off, switch off the
main power switch.
3. Insert the USB flash device in which the
firmware has been written into a notch
hole of the machine.
4. Turn the main power switch on. Upgrad-
ing firmware starts (blinking the memory
LED).
Caution:
Never turn off the power switch or
remove the USB flash device during
upgrading.
5. [ROM version] is displayed on the touch
panel when upgrading is complete.
6. Switch off the main power switch.
Figure 1-6-1
7. Wait for several seconds and then
remove the USB flash device from the
machine.
8. Turn the main power switch on.
9. Perform maintenance item U000 (main-
tenance report output) and check that
U019 ROM version has been upgraded.
Emergency-UPDATE
If the device is accidentally switched off and upgrading was incomplete, upgrade becomes impossible from a
USB flash device.
In that case, retry upgrading after recovering the software by following the procedure below.
Preparation
The CF memory card must be formatted in FAT or FAT32 in advance.
Extract the main firmware to download from the file.
Rename the file which was extracted from the archive. [DL_CTRL.2LH] to [KM_EMRG.2LH]
Copy the all extracted files to the root of the CF memory.
USB flash device
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