When the battery cell of the Xhorse Dolphin XP005 is normal but the BMS board becomes abnormal, proper maintenance is important to avoid battery damage and over-discharge.
Maintenance Procedure:
1.Remove the battery wires in order: 1 → 2 → 3
2.Reconnect the battery ports in sequence: A → B → C
3.Use an external power adapter during maintenance to avoid battery over-discharge.
Following the correct sequence helps protect the battery system and maintain stable performance of the Dolphin XP005.
Skype: xhorsevvdi.com
Whatsapp: https://wa.me/8613983756354
Whatsapp: 
Skype: