...
Health: The status of the player, as indicated by the following icons:
Healthy: The player is connected to the network; the presentation is activehas an active subscription and has successfully communicated with BSN within the configured time period. 
Connection Lost: The player has missed its last scheduled status updatea subscription and reported its status to BSN recently, but experienced one of the following issues:Its subscription is about to be suspended. See Device Properties > Device Overview > Subscription Status in the General tab.
It reported an Error but continue to retrieve settings and schedule from BSN. See Device Properties > Errors in the Advanced tab.
It missed one or two synchronization or heartbeat requests at the expected time. You can review and edit the configured synchronization and heartbeat frequency in Device Properties > Unit Configuration inthe General tab.
It is assigned to the Disabled Players group.
Inactive: The player is not functioning and/or not connected to the network. There can be several reasons for an inactive player; please see this FAQ for a full list of causeshas a subscription, but experienced one of the following issues:Its subscription is suspended. See Device Properties > Device Overview > Subscription Status in the General tab.
It reported an Error and cannot retrieve settings and schedule from BSN. See Device Properties > Errors in the Advanced tab.
It missed more than two synchronization and heartbeat requests. You can review and edit the configured synchronization and heartbeat frequency in Device Properties > Unit Configuration inthe General tab.
Disconnected: The player does not have a subscription, or its subscription has expired.
Serial: The serial number of the player.
Network: The name of the network associated with the player.
Unit Name: The name given to the player during device setup.
Target Group: The group to which the player was most recently assigned.
Model: The model number of the player.
...