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2 APPENDIX
Troubleshooting 51
Troubleshooting
When Error Messages are Displayed
If any error messages are displayed on the touch panel, see the following table to troubleshoot the problems for the
Wireless LAN.
When Cannot Connect to TOSHIBA MFP
When you cannot connect to this equipment, reboot it *. If you still cannot, check the following requirements:
y The user certificate is not expired.
y The access point settings and network settings are correctly set.
* Press and hold the [POWER] button for at least 1 second to shutdown the equipment and then press it again.
Error Message Troubleshooting
Bad certificate Unsupported certificate is installed. Reinstall the appropriate certificate. This
equipment supports md5RSA and sha1RSA certificate only.
Bad record mac SSL Key exchange failed. Turn the power OFF and then ON to restart the
equipment.
Certificate expired The certificate has been expired. Make sure that the time is set correctly or
whether the certificate is expired.
Certificate revoke The certificate has been revoked. Ask your network administrator.
Certificate unknown The installed CA certificate cannot work as server certificate. Make sure to install
a correct CA certificate.
Decompression failure This equipment does not support the SSL compression. Please disable the SSL
compression on the RADIUS server.
Handshake failure Unsupported encryption may be set on the server. Make sure to use the
supported encryption method.
Illegal parameter Unsupported version of the TLS protocol may be used. Make sure to use the
supported version of the TLS protocol.
No certificate No certificate is installed or you do not specify the certificate file name. Make
sure to install the certificate and specify the certificate file name correctly.
Peer error certificate Installed CA certificate cannot verify the server certificate in the RADIUS server.
Make sure to install a correct CA certificate.
Peer error no certificate The RADIUS server operates the communication with the certificate using the
TLS protocol.
Peer no cipher The RADIUS server requests the unsupported encryption for this equipment.
Peer error unsupported certificate
type
This equipment uses the certificate that the RADIUS server does not support.
Peer unexpected message The RADIUS server sends the message that is not TLS standard. Confirm the
settings on the RADIUS server.
Unknown remote error type The RADIUS server sends the alert message of illegal TLS.
Unsupported certificate This equipment uses the certificate that the RADIUS server does not support.
Unknown ca Installed CA certificate cannot verify the server certificate in the RADIUS server.
Make sure to install a correct CA certificate.
Unable to connect Ask the administrator.