1. Maintenance

(1) Check the power of the robot frequently. If the power of the robot is less than 20%, it needs to be charged in time;

(2) Check the battery power of the handheld remote control frequently. If the remote control distance becomes shorter or the remote control is not sensitive, and the power of the remote control is less than one cell, you need to charge it in time;

(3) Frequently check whether the mechanical connection part is damaged or loose, if any, it should be replaced or tightened in time;

(4) If the robot is used in seawater or acidic water environment, the hull and water inlet should be rinsed with clean water in time after use.

2. Matters needing attention

(1) Maintenance work is not allowed to be carried out under non-safe conditions;

(2) It is strictly forbidden to open the cover and repair in the dangerous area;

(3) A dedicated person should be assigned to perform the maintenance work of the robot;

(4) It is strictly forbidden to clean the robot with flammable liquids;

(5) The main power switch must be turned off when repairing electrical components.