1. Do not move
a. Check whether the power supply is normal b. Adjust the air pressure to the appropriate c. Check whether the trachea is leaking d. Check whether the trachea is blocked e. Clean the pipeline blockage;
2. Loud noise
a. Replace the housing b. Adjust the air pressure to the appropriate c. Clean the bearing chamber;
3. The oil pump cannot suck oil
a. Damage to the oil pump b. Foreign objects in the tank c. Excessive refueling d. Too little refueling;
4. The oil cylinder cannot be lifted
a. Broken airbag b. Spring deformed or broken c. Blocked air path;
5. No output
a. The power cord is detached or connected to the wrong position b. The motor is burned or the wiring is aging;
6. The motor rotates but does not drive the pulley to rotate
a. The steering of the motor is not correct b. The steering belt slips c. The belt is too loose d. The belt is worn e. The belt is not sufficiently tensioned f. The belt head screw is naughty.
