Description:

You have specified the group dialing when the line is off the hook.

Action:

Specify the recipient other than group dialing.

Description:

You have specified the one-touch key or coded dial code that has registered with other than fax number when the line is off the hook.

Action:

Make sure that the line is disconnected.

Description:

The registered group is already nested for three levels of subgroups (e.g., a group registered in a group).

Action:

You cannot register a group to contain more than three levels of subgroups. Modify the group so that it contains three levels of groups or less.