Silca Unocode PRO Operating Manual page 78

UNOCODE PRO
FAULT
Optical reader not working a) glass lent on the optical reader is dirty
b) wiring between optical reader and the electronic control board is not seeded properly
c) defective optical reader
d) defective electronic control board
Key-cutting machine fails to a) wiring between 9-pin serial port and electronic circuit board not seeded properly or disconnected
communicate with computer
b) serial cable between key-cutting machine and computer is faulty
c) computer serial port is not functional
d) defective electronic control board
The display shows the check that the fan on the back of the key-cutting machine is working:
message: 'TEMPERATURE
Not working:
ALARM - turn the machine
off'.
Working:
The display shows the a) fuse F4 on the electronic control board faulty.
message: 'I/O POWER
b) short circuit on inlets or outlets. To find which inlet or outlet is causing the error message, disconnect the J4-5-7-8-
ALARM – check fuse F4".
12-14-15-20 connectors one at a time and check each time whether the alarm disappears.
The display shows the a) short circuit on the outlets. To find which outlet is causing the error message, disconnect the J4-5 connectors one at
a time and check each time whether the alarm disappears.
message: 'DIGITAL OUTLET
PROTECTION ALARM - turn
b) internal fault on the electronic control board.
the machine off'.
The display shows the a) fuse F1 on the electronic control board faulty.
message: 'CUTTER MOTOR
b) cutter microswitch on protective cover triggered or disconnected (D4) (fig. 43).
ALARM -
c) cutter motor wiring disconnected.
check fuse F1 .
'
d) internal fault on the electronic control board.
Fig. 42
74
PROBABLE CAUSE
a) fan faulty
b) electronic control board faulty
electronic control board faulty
D3
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Operating manual - English
D4
Fig. 43