Fuse Check And Replacement - Silca Tri-Code Manual De Uso

Operating manual - English
7.3 F
USE CHECK AND REPLACEMENT
Fuses should be checked with an instrument for measuring their continuity (tester, ohmmeter,
multimeter, etc.) as they may appear to be in good condition to the naked eye even when they are
electrically faulty. Fuses must always be replaced with others of the same type (rapid or delayed) and
with the same amps, as given in the manual.
There are 6 fuses in the TRI-CODE H.S. key-cutting machine.
• 2 fuses: 10 Amps rapid
They are situated in the power socket on the
back of the machine, next to the switch
(fig. 55). They protect the machine from power
variations and short circuits.
To check and replace when necessary,
proceed as follows:
1) turn off the machine and unplug.
2) use a screwdriver to open the flap covering
the socket, remove the fuses and replace if
necessary.
• 4 fuses: F1, F2, F3 e F4
F1: 10 Amps delayed
- protects the cutter motor and its control electronics (120V a.c.)
F2: 6,3 Amps delayed
- protects the step motors and their control electronics (+32V d.c.)
F3: 4 Amps delayed
- protects the logic control circuits on the microprocessor board (+5V d.c.)
F4: 2 Amps delayed
- protects the digital output circuits for the low voltage controls and the sensor inlets (+24V d.c.)
Those situated on the electronic circuit board inside the base (fig. 56), protect the board from short
circuits. To check and replace when necessary, proceed as follows:
1) turn the machine off and unplug it from its power supply cable.
2) remove the bottom plate (Ch. 7.8, page 76).
3) check and replace the fuses if necessary, in the way described below:
To remove the fuse:
- press the fuse cap with your fingers and turn it counter clockwise.
To fit the new fuse:
- carefully position the fuse back into place, then gently press the fuse cap downwards turning it
clockwise.
Fig. 56
72
Fig. 55
F2
to open fuse cap
F3
F4
to close fuse cap
Copyright Silca 2006
TRI-CODE H.S.
F1
J14
scheda elettronica