1) Machine appear insufficient pressure
A. Air compressor abnormal work or a motor stops work, lead air supply pressure out of order, check air compressor, make it work at normal pressure.
B. Air compressor doesn't work properly, the air source line too far away, pipeline is too thin, the ball valve not open fully, all these easily cause the air supply shows insufficient pressure, please check air compressor.
C. Weather temperature is too cold, filter no drainage causes freeze, can block up air flow in pipe, causes color sorter air supply shows insufficient pressure.
D. Pipeline or sorter internal have serious leakage phenomenon can also cause the air supply shows insufficient pressure, please check them regularly.
E. Material includes large impurities, causes production in large air pressure, the air supply maybe displays pressure is insufficient, please lower down sensitivity or reduce production flow.
F. Material includes a few impurities, but the sensitivity is too low, background boards angle not right, can also cause air use in bigger rate, air supply shows air pressure is insufficient, please re-adjust background plate and sensitivity.
G. Material includes right impurities, but large flow, high sensitivity, background boards angle not best, all these, can also cause the air use in bigger rate, air supply shows insufficient pressure, and re-adjust them.
H. Too much dust on the glass can cause valve disorderly blow, thus air use in bigger rate, can also cause air supply shows air pressure is insufficient, please clean sorting glass.

2) Machine doesn't work
A. Forget pressing "Power on" button.
B. Background plate haven't adjusted to the best, will cause sorting capacity be lower, please re-adjust background plate angle to most proper.
C. Sensitivity Setting is lower, causes sorting is too little, please adjust sensitivity.
D. Color sorter light brightness is not enough, please replace tubes.
E. Color sorter air supply pressure is insufficient, cause sorting capacity smaller, please check the air path to confirm it is normal.

3) Material jump on chutes when sliding
A. Slide chutes have scar, please replace slide chutes.
B. The material contains high humidity, causes material ash stick on the chutes, prevent material flow, please clean up with soft cotton cloth to wipe chutes.

4) Machine sorting effect is not satisfied on both sides.
A. Color sorter light tubes on both sides appear to dark, and the brightness is not enough, will make sorting effect is not good, please replace the lamp.
B. Both sides of color sorter maybe larger material flowing, leads to sorting not satisfied.

5) Machine always stop working during sorting
A. Color sorter work pressure is insufficient, leads to machine stop, please check the work pressure.
B. Color sorter dust clean interval time too short, suggest dust interval time set between 15 minutes to 60 minutes(generally about 30 minutes).

6) Color sorter valve leakage
A. Large amount of impurities contained in the valve, please blow it longer time conversely by the high pressure air or repeat testing valve 2-5 minutes under high frequency.
B. Valve moving plate contact roughly with the valve, open it carefully and wipe it clean.
C. Parts of valve has broken, please contact with manufacturer for replacement
D. Rear valve line haven't been pasted in tightly with aluminum alloy, please paste again with AB glue.

7) Valve stop working
A. Valve coil broken, please replace valve or Valve coil
B. Valve power supply plug contacts not well with valve socket, please tighten their connection.
C. Air supply pressure is insufficient or very low, please check the air path.

8) Lights out of work
A. Lights Brightness is dark, please change lights.
B. In some sorting models, some lights doesn't work, that's normal.
C. Long time vibration of machine will cause tubes connect not well, leads to tube out of work, please properly turn round the lamp, make it contact well.

9) Color sorter machine has abnormal noise when working
A. Color sorter lamp brightness is not stable with flickering phenomenon will leads valve disorderly blow, cause abnormal noise.
B. The utility AC 220 V too low or high, starting power equipment may cause short time noise.
C. Any other question, please contact with our after-sale dept.

10) Problems with compressor
A. A motor does not work, delayer device may be bad or contact not well.
B. Motor three-phase winding different, motor may be bad, please replace motor.
C. AC contactor bad or contact not well, please replace AC contactor.
D. Three phase voltage unbalance, please adjust supply power transformer, make three-phase power supply balance.
E. Three-phase 380 V voltage phase lack, re-adjust the power lines.