Service Call - Roland VersaEXPRESS RF-640 Service Notes

5-4 SERVICE CALL

CODE CONTENTS
0002 Disorder of communication with sub CPU
This occurs when the Sub CPU is not detected after
turning on the machine.
0003
DIP switch setting is inappropriate.
0008 There is a problem with synchronizing serial
communication to Sub CPU.
0011
Memory error
0101 Limit Position Initialize in the Service Mode has not
been done.
0102 Head Lock Sensor is ON when it should be OFF,
or vice versa.
0109 Wiper unit does not work correctly.
0110 Input value from Linear Encoder is not changed by
the Linear Encoder origin setup.
When Motor stops during printing, expected
movement is not completed on some head.
0112 Communication error with Cartridge IC driver
0130 There is a problem with Thermistor for Print Heater. Thermistor cable has short circuited or
0135 Print Heater temperature has reached 60°C and
above.
0140 There is a problem with Thermistor for dryer.
Dryer temperature has reached 80°C and above.
0145
0250 There is a problem with Head.
0330
Choke valve solenoid board error
Power supply to solenoid has a problem.
Power supply to solenoid control has a problem.
Data comunication in the board has a problem.
*1 RF-640：Fuse for Choke Valve of Cartridge 1-4 is F100, Fuse for Choke Valve of Cartridge 5-8 is F101.
RF-640A：Fuse for Choke Valve of Cartridge 1-4 is F100. Fuse F101 is not to be used.
CAUSE
Servo Board does not work correctly.
Sub CPU does not work correctly.
There is a bad connection between Main
Board and Servo Board.
Error at DIP switch setting.
Defect of DIP switch.
Defect of main board.
Servo Board does not work correctly.
Sub CPU does not work correctly.
There is a bad connection between Main
Board and Servo Board.
A noise on a signal
Breakdown of memory
Limit Position Initialize has not been done.
Limit Position Initialize is ended before it
is completed.
Head Lock Sensor does not work
correctly or is broken.
Head Carriage is not located at the
correct position.
Wiper Unit hits the Tool Carriage
Wiper Motor error
Defect of Wiper Unit
Defect of Wiper Sensor
Cut-line or short-circuit of cable and
Flexible cable
Read error of Linear Encoder
Read error of Encoder on Scan Motor side.
Belt is not fixed to Head Carriage firmly.
Cartridge IC driver is broken.
Cartridge IC driver cable has short
circuited or cut-line.
cutline.
Thermistor has a problem.
Print Heater Cable connection has a
problem.
Thermostat has a problem.
Thermistor has a problem.
Thermistor cable has short circuited or
cutline.
Thermistor has a problem.
Dryer cable connection has a problem.
Thermostat has a problem.
Thermistor has a problem.
Head is broken.
Choke valve solenoid has a problem.
Cable has short-circuit or cut-line.
Driver(FET) is broken.
Fuse is broken. (*1)
5-6
ACTION
Check cable connection between Main
Board and Servo Board.
Check the other cable connections of
Servo Board.
Servo Board replacement
Main Board replacement
Flexible cable replacement
Check DIP switch setting on main board
Main Board replacement
Check cable connection between Main
Board and Servo Board.
Check the other cable connections of
Servo Board.
Servo Board replacement
Main Board replacement
Main Board replacement
Flexible cable replacement
Complete Limit Position Initialize correctly.
Head Lock Sensor replacement
Check the mechanical backlash or loose
with the scan axis related parts.
Move the Head Carriages on the bed not
to hit the Wiper Unit.
Wiper Motor Replacement
Wiper Unit Replacement
Wiper Sensor Replacement
Cable and Flexible Cable Replacement
Con rm whether Encoder Scale is in the
slit of Encoder Module in a whole width of
the machine.
Check cable connection between Linear
Encoder Board and Main Board.
Con rm connection between Belt and Tool
Carriage.
Linear Encoder replacement
Scan Motor replacement
Servo Board replacement
Main Board replacement
Ink cartridge IC sensor replacement
Check cable connection around Thermistor.
Thermistor replacement
Check Print Heater.
Check Thermostat.
Check Thermistor.
Check Cable connection around
Thermistor.
Thermistor replacement
Check Dryer.
Check Thermostat.
Check Thermistor.
Head replacement
Choke valve solenoid replacement.
Check connection of the cable or replace.
Choke valve solenoid drive board replacement.
Check the Fuse or replace.