Your Loop uses the following LED signals in the Status Indicator (located on front of the Loop) to show its operating status:
WHITE Breathing: "I'm standby"
WHITE Sequence: "I'm OK - Ready for PlayDirect and in Setup Mode"
WHITE Solid: "I'm playing" (AirPlay, PlayDirect, DLNA, USB or AUX)
YELLOW Pulse: Booting or Updating firmware.
RED Pulse: "Please help me" (Network problem).
RED Solid: "I'm OK - Just sleeping