Symptom Cause Action016-404 is displayed when trying touse security functions that requirecertificates.The certificate data stored ininternal memory is either deleted,corrupt, or is not readable.Import the certificate and enable the securitysettings again.A certificate cannot be set with"Certificate Details".The validity period is invalid. The validity period of the certificate is invalid.Confirm whether the time setting of the machine iscorrect, and whether the validity period of thecertificate has expired.The certificate path is invalid. The certificate chain (path validation) of theimported certificate may not be correctly validated.Confirm whether all of the high-level certificates(Trusted/Intermediate) have been imported and arenot deleted, and whether the validity period hasexpired.Although a certificate was imported,it is not displayed when selectingwith "Local Device".The type of the certificate isincorrect.To import a certificate for use with the device (owndevice), import the secret key and a certificate ofthe PKCS#12 (p12/pfx) format as a pair.Server validation is not operatingcorrectly.The certificate chain is incorrectwhen importing.Although importing a root certificate (Trusted) touse for server authentication, an Intermediatecertificate may be required when validating thepath.When executing a certificate file with thecertification authority, create the certificate with aformat including all paths and then import thatcertificate.Digital Signature cannot be selected The certificate cannot be associated. Either the certificate has not been imported or thewith the IPsec setting. certificate has not been associated for use withDigital Signature of IPsec. Refer to "Setting theCertificate in the IPsec Digital Signature Mode" toset a certificate of IPsec.Troubleshooting Guide 345
