Troubleshooting Chart – Bay-Tek Version
Problem Probable Cause Remedy
Error Codes
Err. 2 Game is seeing
some, but not all wheel
positions.
a. Silver dots not reflecting.
b. Wheel Position Sensor
board not reading all
silver dots.
c. Wheel is wobbling out of
sensor range.
d. Wheel Position Board not
aligned correctly.
Clean and shine up silver dots.
Clean/Replace Wheel Position
Sensor – AASE2700 Replace
silver dot board – A5BD2701.
Adjust wheel on motor shaft to
eliminate wobble.
Position board for black optos to be
directly below motor shaft.
Err. 3 Wheel Speed Fault.
(Displayed only if dipswitch
set to enable. Bank 1 (S1)
#8.
a. Loose wheel.
b. Faulty wheel motor.
c. Score Wheel too far
away, or too close to
Wheel Position Sensor.
d. Wheel Position Sensor
board not reading any
silver dots
a. Check the setscrew on the
wheel hub to insure that it is
tight.
b. Replace the wheel motor.
c. Reposition wheel on shaft of
motor – so silver dots are about
3/8 inch away from sensor.
d. Clean/Replace Wheel Position
Sensor – AASE2700 Replace
silver dot board – A5BD2701.
Err. 4 Coin Sensor Fault –
Game is reading coin at Slot
Sensor board at wrong time.
a. Coin is not triggering coin
switch.
b. Alignment of the sensor
emitter and detector. The
green LED on the board
will come on steady if out
of alignment.
c. Faulty sensor board.
a. Yippee, Yahoo must sound
before coin is allowed to score.
b. Check all emitters and
detectors for proper alignment.
Bend by hand.
c. Replace chip – ULN2803
Replace board – AABD9616.
Diagnose Code Wheel – Bay-Tek Version
The Code Wheel, attached to the back side of the wheel, must work properly to identify slot
location and ticket payout.
To check for proper operation;
1. Shut off power to the game.
2. Set dipswitch #8 bank 2 (S2) to the ON position.
3. Turn power back on.
4. Press the red “Reset” button on the ticket tray for 5 seconds. This will start the diagnostic
program.
5. The ticket display will count up from zero to 15.
6. If a slot number is skipped each time the wheel rotates past the coin slot hole, that means
that the position code wheel is faulty and must be replaced.
7. Replace the wheel assembly and retest.
8. Be sure to turn power off to the game before moving the dipswitch to Off.
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