What does it mean if the AirBridge ACC4100 shows a red light? Peter Rittau 28 January 2021 08:26 Updated If a constant red light is displayed, the AirBridge does not have any wireless connection with a SpeechMike Premium Air. Related articles What does it mean if the AirBridge ACC4100 shows an orange light? Pairing With A Philips ACC4100 AirBridge Do I need to install any new driver software to use the Philips AirBridge ACC4100 with my SpeechMike Premium Air? Power down your SpeechOne How to upgrade SpeechOne or SpeechMike Premium Air firmware Comments 0 comments Please sign in to leave a comment.