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ERROR MESSAGES
The WPC game program has the capability to aid the operator and service personnel. At Game Turn-on,
or after pressing the Begin Test switch, (once the game has been operating for an extended period), the
display may signal with the message, "Press ENTER for Test Report". This indicates the game program
has detected a possible problem with the game.
To obtain details of the problem, open the coin door and press the Begin Test switch. Press the Enter
button to begin displaying the message(s). The following messages apply to your game.
Check Ramp Diverter
This message is displayed if the game has detected that the diverter is not functioning correctly.
After any problem is corrected, the message will be cleared when the game detects 3 correctly
diverted balls (during game play) in each direction.
Check Switch
##.
This message indicates that at least one switch was stuck 'On' at game turn-on or has NOT been
actuated during ball play (for
90
balls or
A30
games). The game program compensates the
game play requirements affected by each disabled switch to allow 'nearly normal' play. This
helps keep the game earning, until the service technician can repair the problem.
To verify the problem, refer to the Test Menu text describing Switch Testing, and check each
reported switch using applicable switch tests. Always check switch operation using a ball, to
simulate game conditions. Switch problems may often be resolved by adjusting the wire switch
actuators, fixing switch circuitry problems, securing loose connectors, etc. Mechanisms using
'opto switches' (drop targets, etc.) need to be checked for proper power connections (+12V dc
and ground).
Check Fuses F115 and F116 and Opto 12V Supply.
This message will be displayed if the game senses that all optical switches are not functioning.
This usually occurs when there is no 12V supply to the playfield optics.
The problem is likely to be a blown fuse (F115 or F116) or at connectors J112, J116, J117 or
J118 on the power driver board.
Opto Trough Bad Check Connectors, Wires and 12V Supply
This message will be displayed if all of the optics in the playfield ball trough are not functioning.
This is usually caused by a problem with a ball trough connector supplying 12V and Ground for
the optical circuits.
Pinball Missing.
This game normally uses 4 balls; however, it will operate with as few as one ball. This message
announces that a ball is missing or stuck. When the ball is located, return it to the game via the
Outhole. Other possibilities for this problem could be malfunctions of the Ball Trough optos or
the Ball Shooter switch.
xxxxx Sw. is Stuck On.
This message indicates that a switch, which is not usually On, remains in the On position after
the game is switched On. The stuck switch is essential for game play (for example, a coin chute
switch, the slam tilt switch, the plumb bob tilt switch), and should be cleared to permit proper
game operation.
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