corob FIRST 70 - Troubleshooting Common Issues

USING THE DISPENSER - 29
6.6 Troubleshooting
Problem Cause Solution
The machine does not turn
on.
Power supply is missing.
Check the connections at the back of the
machine (chapter 5.3).
Main switch in OFF position (O).
Set the main switch to the ON position (I)
(chapter 5.3).
One or more fuses may be blown
up.
Replace any blown fuse inside the fuse
compartment (chapter 5.2).
The power supply unit is in
overcurrent.
Wait a few minutes and try to restart the
machine. If the problem persists, contact
the authorized technical service.
Electrical connections are
defective.
Contact the authorized technical service.
The management software
shows an error in the
communication protocol.
Machine is OFF.
Turn the machine on (chapter 5.3) and
restart the management software.
Machine disconnected from the
computer.
Check the connections at the back of the
machine (chapter 5.3).
Computer serial port or USB port
wrongly congured or defective.
Use the conguration and calibration
software to make sure you have correctly
congured the port used to communicate
with the machine.
Repair the computer serial port or USB
port.
Serial cable damaged.
Replace the communication cable using
manufacturer’s original spare parts.
Connection defective. Contact the authorized technical service.
Colorant dripping from some
nozzles.
The valve of the pumping unit
does not work correctly.
From the management software dispense
approx. 100 cc of colorant from the
pumping unit involved (chapter 6.3).
If the problem involves many circuits,
repeat the above operation for one circuit
at a time, so as to recycle the colorant
dispensed.
If the problem persists, contact the
authorized technical service.
The ON lamp blinks and
the machine refuses the
commands.
The off-line button is pressed.
Release the off-line button, in order to
restore machine operation (chapter 5.5).
Carry out machine initialization (chapter
5.4).