13
TROUBLESHOOTING THE LINK SYSTEM
COMMON PROBLEMS:
WHEN GAMES WON’T LINK (ERROR Er4 is displayed on the
overhead display)
!"
Check that all link cables are tightly connected and go correctly from
IN
of one
machine to
OUT
of the next machine in a continuous loop. Refer to diagrams,
Page 6 to 9.
!"
Check that there is only one
‘MASTER MACHINE’
(This is
ALWAYS
the
Overhead Jackpot Display), and
ALL
the game machines are
‘SLAVE
MACHINES’
. (Program adjustment P01).
!"
By checking what the displays show on
‘POWER UP’;
can help diagnose where
a break or bad connection in the link could be. Refer to diagram below:
* NOTE:
If, is displayed on more than one machine it means that
there is more than
ONE
‘MASTER’
. error is only displayed on a master
machine that is automatically the Overhead Jackpot display. Change any other
games displaying Er4 to ‘
SLAVE”
.
E r 4
E r 4
X
A BREAK IN
THE LINK
BETWEEN
MACHINES
SLAVE SLAVE SLAVE
L
2
5
4
L
3
MASTER
flashes between
L1 & Er4
L
1
4 E r
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