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PROBLEM ANALYSIS MESSAGES
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The WPC game program has the capability to aid the operator and service personnel. At
Game Tum-on or after pressing the Begin Test switch, once the game has been operating for an
extended period, the display may signal with a 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 PARTY ZONE game.
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 =30 games) by displaying the message
"Adjust Switch
##",
listing each problem switch by number. (The game program
compensates the game play requirements affected by each disabled switch to allow
'nearly normal' play. This helps keep PARTY ZONE earning, until the service technician
can repair the problem, bringing the game back to its normal good profits!)
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 de
and ground).
Pinball
Missing.
PARTY ZONE normally uses two balls; however, it will operate with one ball.
This message announces that a ball is missing or stuck somewhere.
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 switches 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.
Ground Short Row-N, Wht-xxx.
Frequent appearance of this message requires activation of the Switch Levels
Test to locate the switch causing the 'WHT-xxx ROW x SHORT' message.
Possible 'row short' causes are: 1) Slam Tilt (or other coin door) switch touching
the grounded coin door; 2) A leaf-type, playfield switch touching a grounded
part; 3) Players poking metallic objects (wires, coat hangers, etc.) into the game;
4) Switch cable insulation pierced or damaged allowing bare wire contact with a
grounded part; 5) All switches in a row closing at the same time (Note: This
instance is NOT a switch problem; however, for most games this is a very rare
possibility).
PARTY ZONE 1-43