Silca Unocode 399 Plus, Operating Manual

Page: 68 / 98

Unocode 399 PLUS Operating manual - English
64 Copyright Silca 2010
Fig. 43
Fig. 44
The display sho ws t he
message:
‘TEMPERATURE
ALARM - turn the
machine off’.
check that the fan on the back of the key-cutting machine is working:
Not working:
a) fan faulty
b) electronic control board faulty
Working: electronic control board faulty
The display sho ws t he
message: ‘ I/O POW ER
ALARM – ch eck fus e
F4”.
a) fuse F4 on the electronic control board faulty.
b) short circuit on inlets or outlets. To find which inlet or outlet is causing the error message, dis-
connect the J4-5-7-8-12-14-15-20 connectors one at a t ime and che ck each t ime whether the
alarm disappears.
The display sho ws t he
message: ‘ DIGITAL
OUTLET
PROTECTION ALARM -
turn the machine off’.
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.
b) internal fault on the electronic control board.
The display sho ws t he
message: ‘CU TTER
MOTOR ALARM -
check fuse F1
’
.
a) fuse F1 on the electronic control board faulty.
b) cutter microswitch on protective cover triggered or disconnected (D4) (fig. 44).
c) cutter motor wiring disconnected.
d) internal fault on the electronic control board.
FAULT PROBABLE CAUSE
D3 D4