MUTOH SC-650 - Diagnost 3: Actuator, XY-Encoder, XY-Polarity Tests

Maintenance Manual – SC Cutting Plotter
39 AP-74030, Rev / B
5.3.3. Diagnost. 3
1) Actuator.
F3
* Diagnost – 3 *
Pen
XY-enc XY-polar
F2
F4
Press F2
F3
* PEN TEST *
Torque Encoder F4
Test (F3) Torque tests the moving coil and drive circuit.
Pressing F2/F4 makes the MC move UP/DOWN step by step and puts more/less force on the
head.
Test (F4) Encoder shows the readout of the penhead encoder. (Move the head manually
up/down).
2) XY-encoder test.
F3
* Diagnost-3 *
Pen
XY-enc XY-polar
F2
F4
Press F3
* XY Encoder *
X : 0000 Y :0000
0.00 0.00
Press EXIT
This test shows the readout of the X/Y encoders when manually moving the head or the
gridrollers.
3) XY-polarity test
F3
* Diagnost-3 *
Pen
XY-enc XY-polar
F2
F4
Press F4
* XY-Polarity *
X axis : OK
Y axis : Ok
Press EXIT
This test checks the drive circuit of X and Y motors. One current pulse is sent to the motors and
the direction of the movement is checked by the encoders.