Aristocrat USA MAV500/MKVI Service Manual page 345

USA MAV500/MKVI Service Manual
________Chapter 16________
Fault
Equipment connected to
auxiliary power socket &
has no power.
Machine has no power.
No power-up cycle.
28-00486-00
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and it may not be copied. All rights reserved. © Copyright (ATI) Aristocrat Technologies, Inc. 2002.
Machine Fault Finding
Table 16-1 Fault Finding
Probable Cause
Auxiliary power
socket fuse is blown.
A. Mains socket
supplying the
machine is not live.
B. Main board not
showing 4 lit red
LEDs (ie, sequential
display).
A. Coin jam in the Coin
Chute Assembly.
B. Faulty hopper photo-
optic detector.
C. Cable fault.
E. Faulty Backplane.
F. Faulty Main Board.
Machine Fault Finding
Action
Replace auxiliary power socket
fuse.
1. Check that the mains socket is
live.
2. If the mains socket is dead, check
that the circuit breaker at the
distribution board is on.
3. Turn off mains power for 5
seconds, then turn power on.
4. Check main board seating and
links. If condition continues,
replace the Main Board.
1. Clear coin jam from the Coin
Chute Assembly.
2. Check that the hopper photo-
optic detector is not damaged or
disconnected. If the detector is
damaged, replace the detector.
3. Check that the looms are
correctly seated and have
continuity.
4. If the looms are OK, replace the
Backplane.
5. If there is still no power, replace
the Main Board.
16-1