Air   cooler does not start

1. The air cooler is unplugged.

2. Switch button does not work.       

3. Lack of phase.   

4.Too low voltage.

1. Check the Power.

2. Replace the main control   board.

3. Check the phase.

4. Check the voltage.

Fuse   blown frequent

1. Submersible pump is broken.

2. Drainage pump is broken.

3. Fault from the motor of swing   system.

1. Replace the pump.

2. Replace the pump.

3. Replace the motor of swing   system.

 Water   leakage

1. This machine is not in a flat   place.

2. Water tank is leakage.

3. Water outlet assy is broken.

4. Water inlet   assy is broken.

5. Water level is exceed.

6. Water distribute assy is broken.

7. Dirty cooling pads.

1. Keep the machine in a flat   place.

2. Repair the water tank.

3. Replace the water outlet   assy.

4. Replace the water inlet assy.

5. Adjust the float ball.

6. Check the water distribute   assy.

7. Cleaning the pads.

Noise 

1. Fan blades is damaged or out   of shape.

2. Motor is abrasive.

3. There sundries block the air   outlet.

1. Replace the blades.                       

2. Replace the motor.

3. Clean the blocks.

 No   wind or too low wind

1. Blocking on the cooling pad   or filter.

2. Control panel is damage.

3. Main control board is damage.

4. Motor is no working.

5. Lack of phase on motor.

1. Clean or replace pads or   filter.

2. Replace the main control   board.

3. Replace the main control   board.

4. Check the phase.

 Air   cooler does not cool as it should

1. Lack of water.

2. Failure on water control   system.

3. Drainage pump is damaged.

4. Cooling button is no working.

5. Main control board is broken.

1. Add water.

2. Check water level sensor.

3. Replace the drainage pump.

4. Replace main control board.

5. Replace main   control board.

 White   precipitate in cabinet and filter

Mineral   substance is exceed normal rate.

Increase   draining rate and let water soften.