Hi ,
If the new robot is visible / registered in IM
Depending on hub update interval for each target robot
Setup->Misc->Hub update interval(in minutes)
You can see below robot heartbeat messages in the related hub at loglevel 3
For working robot
=================
Line 91416: Jan 2 09:23:28:989 [3392] hub: alive - dsofr01-i24xx 10.131.236.*** (s:101)
Line 92228: Jan 2 09:24:28:995 [3392] hub: alive - dsofr01-i2434 10.131.236.*** (s:101)
Line 93015: Jan 2 09:25:28:994 [3392] hub: alive - dsofr01-i2434 10.131.236.*** (s:101)
Line 93789: Jan 2 09:26:28:992 [3392] hub: alive - dsofr01-i2434 10.131.236.*** (s:101)
For registered robot not working
===============================
Line 6: Jan 2 07:34:30:202 [3392] hub: internal alarm - Robot dsofr01-e60xx is inactive, 5, dsofr01-e60xx
Line 6: Jan 2 07:34:30:202 [3392] hub: internal alarm - Robot dsofr01-e60xx is inactive, 5, dsofr01-e60xx
Line 7: Jan 2 07:34:30:202 [3392] hub: heartfailure - dsofr01-e60xx is dead