I can’t figure out how to get my R3PTAR to open and close it’s mouth to bite. I keep getting this symbol. What does it mean?
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You either have to recharge your battery (if you're using a battery pack) or replace the batteries (if you're using normal batteries). If this symptom persists after charging the battery pack, try to do a master reset on the brick. Failing which, you might have to replace the battery pack.
It's a symbol for low battery power. You have to recharge the brick.
How long? Check out Mr. Hino's YouTube video on how long it took to juice his back up.
For a full recharge, we're waiting for the red brick light to turn off...