Service manual

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Troubleshooting
F8343001
16
4. No Display
CHM483S
No Display
Is there power
between F1 and
F2 on AP1
Output Board?
Verify that voltage is present at all points
shown in callout B. Refer to No Display Schematic.
No
Are F1 and F2
fuse elements
intact?
Replace blown fuse(s) and find out why fuse(s) blew.
No
Yes
4. Is correct transformer jumper installed?
5. Is there:
+24VDC from H1-18 to H1-4
+33VDC from H1-18 to H1-3
+5VDC from H1-18 to H1-5
Yes
Verify H1/H3 harness is intact.
No
Is harness in
good condition?
Repair/replace
harness as
necessary.
No
Yes
Verify E-stop or Bypass Jumper is
installed, on coin machine.
Check for 220V at H9-3
and H9-2 on AP1 Output Board.
Yes
Is control in Low
Power Mode?
Yes
Press start switch or change
selected cycle for OPL
models to wake up the control
or cycle power to machine.
Replace AP2 Control Logic Board.
Yes
No
A
A
C
D
B
C
If voltage across H9-3, H9-2 is below
208 VAC install 208V transformer
jumper.
3. Is there 24VAC from H1-1 to H1-3 on
AP1 Output Board and the 5VDC LED lit?
1. Is there 200 - 240VAC from
H8-1 to H8-2?
2. Is there 24VAC from J9-2 to J9-3?
CHM483S