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Operating manual - English
7
MAINTENANCE
Attention: for repairs or replacement of parts for maintenance, the 'CE' mark is guaranteed only if original spare
parts provided by the manufacturer are used.
Although the TRI-CODE H.S. key-cutting machine does not require special maintenance, it is advisable
to check and, if necessary, replace the parts subject to wear and electric/electronic parts (fuses, circuit
boards, etc.) in the event of faulty operation.
Replacement is simple and can be carried out by the operator consulting the instructions.
Attention: for normal servicing of the burnished mechanical parts, we recommend using lubricants or protective
oil, e.g. WD40 or similar. Do not apply to the parts used for electrical contact (clamps, decoders,
cutters, gauging templates, etc.). Do not contaminate the electronic parts with the oil.
Before starting any type of maintenance (checks or replacements) read the instructions below:
• never carry out maintenance with the machine switched on
• always remove the mains plug
• always remove the mains plug
• use original spare parts (see 'Spare Parts List' provided with the machine).
7.1
T
ROUBLE SHOOTING
CHECK
FAULT
Machine on, no
check if the rear
message on display:
fan is working:
Cutter motor not
working:
The display shows
"Cutting in progress, or
decode, etc." but the X-
Y axes are immobile
and none of the keys is
enabled.
With shield closed
display shows message
"Close shield"
Keypad not working
(partially or completely)
During clamp gauging
or decoding the U111
tracer point bumps
repeatedly against the
template or against the
key.
Key-cutting machine
fails to communicate
with computer
a) emergency button activated
b) faulty general fuses in power socket
YES
c) master switch on back of machine in OFF position
d) disconnected supply wire
a) fuse F3 on the electronic control board has cut out
NO
b) loose connection wire between display and electronic board
c) display out of order
a) the closed protective shield is not making proper contact with the safety microswitch (see
Ch. 7.10, page 79).
b) fuse F1 on the electronic control board cut out (see Ch. 7.3, page 72)
c) motor wire not properly connected to the connector (see.Ch. 7.4, page 73)
d) faulty electronic control board
Check the fuse F2 (fig. 56, page 72) on the electronic control circuit board involved.
Use tests No 1-2 (Ch. 5.7.2, page 48) to check the X-Y axis motors
Check the X axis connecting cable (fig. 67, page 78)
The wiring connecting the X-Y axis motors to the electronic control board is not properly
secured or the connectors are not fitted correctly (Ch. 7.4, page 73)
Electronic control circuit board faulty.
a) the closed protective shield is not making proper contact with the safety microswitch (see
Ch. 7.10, page 79)
b) fuse F4 on the electronic control board has cut out (see Ch. 7.3, page 72)
a) the keypad connector is not properly connected to the interface board (fig. 53)
b) the wiring between the keypad/display and electronic control board is not properly
attached to the relative connectors (see Ch. 7.4, page 73 and Ch. 7.5, page 74)
c) faulty keypad (see Ch. 7.5, page 74)
d) faulty electronic control board (see Ch. 7.4, page 73)
the earth wire (C2) on the cutter (fig. 73, page 80) is detached or broken.
the wire connecting the connector (J14) for the electronic control board is not properly fitted
into the relative connector (fig. 56, page 72).
there is swarf on the top part of the cutter shaft.
electronic control circuit board faulty.
a) wiring between the 9-pin serial port and electronic control board badly fixed or
disconnected (see Ch. 7.4, page 73)
b) serial wire between key-cutting machine (serial port fig. 4, page 6) and computer faulty
or disconnected
c) faulty computer serial port
d) electronic control board faulty (see Ch. 7.4, page 73)
Copyright Silca 2006
PROBABLE CAUSE
TRI-CODE H.S.
69
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