17
Condition
Reason
Solution
Bad filtration.
1. The paper is not in position
2. The paper is torn.
1. Re-install paper
2. Change the roll
No water coming out and
the feeding pressure is too
high
1. The outlet is stuck
2. Paper is too dirty
1. Clean the outlet pipe
2. Change the paper
No water coming out and no
feeding pressure
1. Pump can’t draw water.
2. Pump is broken
1. Clean the inlet pipe and check
valve.
2. Fix the pump
Water coming out of the
chamber.
1. Gasket doesn’t seal perfectly.
2. Dewatering air pressure too high.
3. Packing is worn.
1. clean the gasket.
2. Down the dewatering air pressure.
3. Replace the gasket.
Water coming out of the
plate
1. Filter housing is filled with
sediment.
2. De-watering pressure is too high.
3. Filter housing is worn out.
1. Clean the housing.
2. Reduce the de-watering pressure
3. Change the housing
Water is coming out of the
solenoid
1. Valve is broken.
2. Check valve is clogged.
1. Check the valve
2. Clean the check valve.
M a c h i n e w o n ’ t r u n
automatically
1. Paper has run out.
2. light sensor is broken.
3. The plate did not return to the
limit switch S1 position
1. Change the paper
2. Clean or change the sensor.
3. Check the limit switch S1.
Feeding pump won’t start
1.Air pressure is too low
2. Feeding valve is broken
3. Pump inlet is stuck
1. Check the solenoid and air
pressure(above 5 Kg/cm2)
2. Valve is stuck.
3. Clean the inlet.
Feeding valve doesn’t work 1. Feeding valve is closed
2. Air pressure isn’t above 4 Kg/
cm2
1. Lubricate
2. Check the air compressor
pressure.
Dewatering valve doesn’t
work.
1. Air pressure is too low.
2. Air switch stalled.
3. Dewatering valve malfunctioned.
1. Make sure air pressure over 4Kg/
cm
2
.
2. Lubricant the valve.
3. Check the solenoid.
Paper is torn during rolling.
1. Belt is broken.
2.Paper is not in position
3. There is too much sediment.
1. Check the belt.
2.Re-install the paper or change it
3. Re-adjust the feeding pressure.
The belt doesn’t run properly
The belt is broken
Replace it
*Clean the machine with clean liquid to avoid blockage for stop running.
Trouble shooting
