Firmware Update (SD Card)
353
For error codes, refer to the following table:
Error Code List
Code Contents Solutions
20 Physical address mapping cannot be performed.
• Switch the main power supply off and on to try
again.
• Re-insert the SD card to reboot it.
• Replace the controller board if the above
solutions do not solve the problem.
21 Insufficient memory for the download
• Switch the main power supply off and on to try
again.
• Replace the controller board if the updating
cannot be done by switching the power off and
on.
22 Decompression of compressed data failed.
• Switch the main power supply off and on to try
again.
• Replace the SD card used for the update.
• Replace the controller board if the above
solutions do not solve the problem.
24 SD card access error
• Re-insert the SD card.
• Switch the main power supply off and on to try
again.
• Replace the SD card used for the update.
• Replace the controller board if the above
solutions do not solve the problem.
32 The SD card used after download suspension is
incorrect.
SD cards are different between the one which
was inserted before power interruption and the
one which was inserted after power interruption.
• Insert the SD card containing the same program
as when the firmware update was suspended, and
then switch the main power supply off and on to
try again.
• There is a possibility that the SD card is damaged
if the update cannot be done after the correct SD
card has been inserted. In this case, try again with
a different SD card.
• Replace the controller board if the above
solutions do not solve the problem.
Replace all relevant boards if the update is done
for the BiCU and FCU.
Replace the operation panel unit if the update is
done for the operation panel.
33 Card version error.
• Install the correct ROM update data for each
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