2 APPENDIX
Troubleshooting 47
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:
The user certificate is not expired.
The access point settings and network settings are correctly set.
While [WEP] or [NONE] is selected in SECURITY of the Ad Hoc Mode or Infrastructure Mode, if the
Wireless LAN cannot be connected even though “connected” has been displayed as its status on the touch
panel of this equipment, the SSID or WEP key may be set incorrectly. In this case, confirm and correct the
settings of the Wireless LAN.
When you use the equipment with the encryption of Access Point set to the TKIP/AES mixed mode, select
AES encryption for the equipment.
*
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The certificate has been revoked.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.
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