PONG Manual
05/16/2019
18
7. TROUBLESHOOTING
7.1 Common Problem
Please confirm that all connectors fit tightly.
Symptom
Possible Cause
Recommended action
Game will not
start
Frame assembly connector is
loose.
Check connector.
Frame assembly is faulty.
Contact UNIS Service.
Power off
Circuit protector changes power
SW to “off”.
Turn on power SW again. If appeared
again and again, machine has
anomaly. Please contact UNIS Service.
No sound
Low volume
Raise the volume.
Connector loose.
Check connector.
Speaker is faulty.
Check speaker.
Audio cable problem.
Reconnect the audio cable or change
it.
Driver problem
Restart the audio driver.
Ball shaking
The bottom of the Ball or the
playfield has dirt.
Utilize non-woven fabric with distilled
water to clean the bottom of the Ball.
Clean the playfield. (Refer to 8.4)
Error code
Possible Cause
Recommended action
Motors of Ball X axle doesn’t
work.
Check the connection of motors of Ball
X axle.
Check the motors of Ball X axle.
Sensor of Ball X axle doesn’t
work.
Check the sensor of Ball X axle.
Motor of Ball Y axle doesn’t
work.
Check the connection of motor of Ball Y
axle.
Check the motor of Ball Y axle.
Sensor of Ball Y axle doesn’t
work.
Check the sensor of Ball Y axle.
Motor of P1 Paddle doesn’t
work.
Check the connection of motor of P1
Paddle.
Check the motor of P1 Paddle.
Sensor of P1 Paddle doesn’t
work.
Check the sensor of P1 Paddle.
Motor of P2 Paddle doesn’t
work.
Check the connection of motor of P2
Paddle.
Check the motor of P2 Paddle.
Sensor of P2 Paddle doesn’t
work.
Check the sensor of P2 Paddle.
Out of ticket
Fill the ticket dispenser with tickets.
(Refer to next page for detailed locations.)
