Publication Number 53719. Issue 3, April 2012
Page 64
SERVICE MANUAL FOR THE 13754 TGX150 INTERNAL RLAN TYPE A/B SC ETM
Table 4. Fault Finding Chart
SYMPTOMS
POSSIBLE CAUSES
SECT.
1. Time clock drifts.
2. Program corrupting.
3. Buzzer doesn’t sound.
4. Machine dead.
5. No tickets printed.
6. Tickets printed unevenly
7. Paper out not indicated.
8. Paper movement faulty.
9. Graphic display faulty:
a.
Backlighting but no
graphics displayed
b. No backlighting
a. Control board fault.
a. Control board fault.
a. Control board fault.
a. No power to ticket machine.
b. Polyswitch fuse requires resetting.
c. Faulty cable assembly.
d. Faulty printed circuit board.
a. Paper roll exhausted.
b. Control board faulty.
c. Cable assemblies faulty.
d. Printer motor not driving.
e. Printer faulty.
a. Confirm that the printer head is
“floating” about the centre of the head
carrier.
a. Paper out microswitch in printer faulty.
a. Sync wheel not rotating.
b. Sync sensor faulty.
c. Sync sensor cable assembly faulty.
a. Display data cable assembly faulty
(PLF) on Keyboard PCB.
b. Control board faulty.
c. Graphic display faulty.
a. Faulty backlighting cable assembly
(PLC)
b. Faulty display.
8.2.1
8.2.1
8.2.1
8.2.2
8.2.3
8.2.4
8.2.5
8.2.6
8.2.7