Many thanks for taking the time. Here is the output -
30/05/2014 10:50:45.841 FaceTime[728]: Retrieving server bag 1, 0x618000004ca0, 0, 0
30/05/2014 10:51:00.095 com.apple.SecurityServer[15]: Session 100005 created
30/05/2014 10:51:17.786 com.apple.SecurityServer[15]: Killing auth hosts
30/05/2014 10:51:17.786 com.apple.SecurityServer[15]: Session 100027 destroyed
30/05/2014 10:51:17.788 com.apple.SecurityServer[15]: Session 100031 created
30/05/2014 10:51:17.840 apsd[109]: Certificate not yet generated
30/05/2014 10:51:17.840 apsd[109]: Certificate not yet generated
30/05/2014 10:51:17.840 apsd[109]: Certificate not yet generated
30/05/2014 10:51:51.454 apsd[109]: Push provisioning protocol error, push is now disabled
30/05/2014 10:51:51.454 apsd[109]: Couldn't find activation record in response dict
30/05/2014 10:51:51.454 apsd[109]: <APSCertificateManager: 0x7f80cd906e90>: Failed to get client cert on attempt 14, will retry in 900 seconds
30/05/2014 10:51:52.522 apsd[109]: Hardware SerialNumber "System Serial#" looks incorrect or invalid
30/05/2014 10:51:53.594 apsd[109]: Hardware SerialNumber "System Serial#" looks incorrect or invalid
30/05/2014 10:51:54.667 apsd[109]: Hardware SerialNumber "System Serial#" looks incorrect or invalid
30/05/2014 10:51:55.740 apsd[109]: Hardware SerialNumber "System Serial#" looks incorrect or invalid
30/05/2014 10:51:56.809 apsd[109]: Hardware SerialNumber "System Serial#" looks incorrect or invalid
30/05/2014 10:52:17.818 apsd[109]: Certificate not yet generated
30/05/2014 10:52:17.819 apsd[109]: Certificate not yet generated
30/05/2014 10:52:17.819 apsd[109]: Certificate not yet generated
30/05/2014 10:52:17.819 apsd[109]: Certificate not yet generated
30/05/2014 10:52:17.842 identityservicesd[204]: [Warning] Tried to disable an account we don't know about, ignoring...