Santint A2 - Troubleshooting; Mixing Motor Troubleshooting; Colorant Dispensing Issues; Motor and Valve System Issues

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.