When mine is red I check two things, that it's sitting flat in the charger and that all plug ins on all units are in snugly. The other thing is sometimes the main unit in the babys room is turned off so make sure the switch on the side is on. Hope it helps.
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When mine is red I check two things, that it's sitting flat in the charger and that all plug ins on all units are in snugly. The other thing is sometimes the main unit in the babys room is turned off so make sure the switch on the side is on. Hope it helps.