4.Troubleshooting
61
Error
code
Error name Explanation Solution
The license has expired. The product key
being used is no longer valid.
Use an unused product key to activate
the application.
The license contract is invalid. Use a valid product key to activate the
application.
228 file-not-found
*
The target firmware file cannot be found.
• Turn the main power OFF and ON,
and then repeat the procedure.
• Check the file in the SD card.
• Check the SD card slot. If there is a
problem with the hardware, replace
the control panel PCB.
229 file-invalid * The target update file is invalid. Occurs
in the following cases.
• Failed to decompress the file.
• Failed to obtain application
information.
• Failed to read the public key for
signature verification.
Repeat the procedure using a valid file.
230 wrong-folder-
structure *
The folder directory of the control panel
firmware is invalid.
Repeat the procedure using a valid
directory.
231 write-fail *
• Failed to write data when updating
the control panel firmware.
• There is a problem with the
hardware.
Turn the main power OFF and ON, and
then repeat the procedure. If updating
fails again, replace the control panel.
232 deactivate-fail The application could not be uninstalled
because deactivation failed.
• Failed to connect to the server.
• The license has not been issued.
• Check whether the network is
configured correctly.
• If the server is under maintenance,
wait a while and repeat the
procedure.
• Check the activation status of the
application. If it has not been
activated, activate it.
233 uninstall-fail Failed to uninstall an application. Turn the main power OFF and ON, and
then repeat the procedure. If updating
fails again, replace the control panel.
234 fixed-app You attempted to uninstall an application
that cannot be uninstalled.
Cancel uninstallation.
235 install-fail The target file is invalid, and the Android
• Repeat the procedure using a valid
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