A4b Automatic Dispenser
V1.0
15
11. Troubleshooting
Problem
Cause
Action
Stirring motor doesn’t
working
1. Machine is not power on
2. Fuse is broken
3. Motor is not connected
4. Motor is broken
1.Check the power
2.Change the fuse
3.Open the side door, reconnect wire
4. Change the motor
Colorant dispense out
not continually
1. There is air in the pump
cylinder
2. Colorant level is too low
3. Colorant is dry and blocked
1. Purge cylinder
2. Add colorant
3. Clean canister
Canister is loosed
Fasten screw is loosed
Fasten Screw
Colorant is difficult to be
dispensed out
1. Nozzle is blocked
2. Valve Motor is broken
3. Valve handle cannot open
1. Clean Nozzle
2. Change valve motor
3. Adjust the motor and valve
position
Piston difficult to move
1. Colorant is dried inside
2. Screw, guiding rod is not
lubricated
3. Fastening screw is loosed
1. Empty colorant, clean canister and
pump cylinder
2. Lubricate screw and guiding rod
3. Fasten screw
Abnormal noise from step
motor
1. Voltage is out of normal range
2. Screw and guiding rod is not
lubricated
3. Fastening screw is loosed
1. Check the power supply
2. Lubricate screw and guiding rod
3. Fasten screw
Colorant appeared on the
nozzle
Sealing washer is damaged
Change sealing washer
LCD show “Emergency
Button Pressed”
1. Emergency button is pressed
2. Emergency button is broken or
the wire is disconnected
Release emergency button
Change emergency button or connect
wire
LCD show “Door Open”
The door is not closed well
Close the door
