a2-100-en(v3_0).pdf - 第15页
A2 Automatic Dispenser V3 .0 13 10. Cir cuit Dia gram
A2 Automatic Dispenser V3.0 12
8. Maintenance
Routine maintenance is needed to ensure that the machine remains in good working condition and has a long
service life. Maintenance and any repairs should only be carried out by qualified personnel.
8.1
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Add colorant in time when software shows low colorant warning
If the colorant in the canister is too little, less than 0.5L，which will affect
the accuracy of the dispensing. Then cover the canister lid
Keep machine power on; even it is not used.
8.2 Periodical Maintenane
Do the following maintenance every 1-6 months：
Check stirring paddle inside each canister, see whether it works; if not, repair.
Lubricate screw and guiding rod in every six months
If the machine has not been used over one week, it shall be powered on and recirculate it automatically
before usage.；
9. Replacing Spare Parte
1）Replacing Outer Canister:
Loose the three screws which fix the canister on the turntable using screwdriver, and then drive the canister
anticlockwise to take off the canister.
2） Replacing Inner Canister：
a. If you want to replace the inner canister, you will take off the outer canister first.
b. Remove the screw on the bracket to fix the canister, pull out the bracket for 10mm. Pay attention to not to
pull out the bracket too much to avoid the colorant leaking off the canister.
c. Rotate the canister anticlockwise, the canister can be taken off the turntable
Fig8.2.1
Screw
Guide Pin
A2 Automatic Dispenser V3.0 13
10. Circuit Diagram
A2 Automatic Dispenser V3.0 14
11. Troubleshooting
Issue
Cause
Solution
Mixing motor doesn’t
work.
1. Unconnected power supply.
2. Broken fuse.
3. Motor wiring falls off.
4. Broken motor.
1. Connect the power supply.
2. Change the fuse.
3. Open the lower side door to connect it.
4. Change the motor.
Intermittent outpouring of
colorants.
1. Air bubble in the cylinder.
2. Insufficient colorants.
3. Sedimentation blockage.
Reference “Preparation prior to operation”.
Add colorants.
Clean “Canister Units” and accessories.
Loose canister on the
rotary plate.
Unfastened screw.
Fasten it.
No outpoured colorants.
Nozzle blocked.
Valve motor in trouble.
Valve handle doesn’t work.
Clean it.
Change the valve motor structure.
Change the position of the valve motor and
the handle.
Piston blocked.
Dry colorants in the cylinder.
Resistance between the guide
screw and guide pin.
Unfastened screw.
Empty it and clean the canister and cylinder.
Lubricate the guide screw and the guide pin.
Fasten it.
Noisy stepper motor.
Abnormal voltage.
Resistance between the guide
screw and guide pin.
Unfastened screw.
Check the power supply voltage.
Lubricate them.
Fasten it.
Colorants leakage from
the nozzle.
Sealing ring is broken.
Change it.
LCD shows “Emergency
Stop Switch Unreleased”
1. It is not released.
Release it.
2. Broken emergency stop
switch or the wire is broken.
Change the switch or connect the wire.
LCD shows “Door
Unclosed”
1. The door is not closed
properly.
Close it properly.