求翻译：开机运行前检查电机接线是否正确，确保水泵电机和风冷水换热器电机转向与所标示的电机转向箭头一致，严禁反转。是什么意思？

Power on the system before running check motor wiring is correct, ensure steering motor and wind cooling heat exchanger motor of water pump motor steering arrow and marked by a consistent, reverse is strictly prohibited.