Logic Board Troubleshooting Steps (Revision 2) - Ioline FlexJet Service Manual

56 Ioline FlexJet Service Manual

Logic board troubleshooting steps (Revision 2)

LED/Test
Normal
Point ID
TP6 30 VDC
TP7 3.3 VDC
TP8 5 VDC
D14 Dark light
D15 Dark light
D16 Dark light
D17 Dark light
D18 Dark light
D20 Solid red
D21-D24 Blinking red
pattern
D25 Solid red
Indicates Error
30 volt main Erratic machine
power supply is performance.
functioning
3.3 volt regulated Erratic machine
power supply is performance.
functioning
5 volt regulated Erratic machine
power supply is performance.
functioning
Y motor fault Solid red
X motor fault Solid red
Take up motor Solid red
fault
Service station Solid red
motor fault
Carriage power Solid red
fault
USB connection Dark light
to PC active
Motor control Solid lights or no
system functioning lights
Serial connection Dark light
to PC active