Godox just released a firmware update for the Godox AD200 Pro which you can download here and if you have a version A flash you can download the version A update here. You can read more about the update below:
1.The E3 false alarm has been solved.
2.Add the compatibility of ring lamps.
(Please check out if there is a sticker “Version A” on the light fixture, and then choose the corresponding firmware to upgrade.)
Godox AD200Pro Witstro: B&H Photo / Adorama
Godox AD200: B&H Photo / Amazon
Godox X2T: Adorama
Godox XPro-F: B&H Photo / Amazon
Godox V1: Adorama / Amazon
Godox AD400Pro Witstro: B&H Photo / Amazon / Adorama
Godox AD600Pro Witstro: B&H Photo / Amazon