Disc it for Tickets (Twin Version) Manual
11/15/2019
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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 fault
Contact with UNIS Service.
Power off
Circuit protector make power SW
in off state.
Turn on power SW again. If appeared
again and again, machine has
anomaly. Please contact with UNIS
Service.
Card reader not
working
The connector is loose.
Check connector.
Card reader fault.
Check with card reader manufacturer.
No ticket
dispensing
Out of ticket.
Add ticket and press reset button
Ticket jamming.
Remove the jammed tickets and press
reset button.
The connector is loose.
Plug the connector tightly.
No sound
Low volume
Raise the volume.
Connector loose.
Check connector.
Speaker fault.
Check speaker.
POT installation error.
Install POT correctly.
POT fault.
Change POT.
Audio cable problem.
Reconnect the audio cable or change
it.
PC crash.
Restart or system recovery.
Driver problem
Restart the audio driver.
Display black
screen
Check connectors.
Plug in connector tightly
Display fault.
Utilize another source such as a PC to
verity if the display is operational.
RAM is loose.
Remove and reinsert RAM.
Display blue
screen
PC power cord is loose
Check PC power cord whether is loose.
VGA signal cable is loose.
Check VGA cable
PC video card is loose.
Reseat video card.
“0X000000A” code appears.
Conflict between computer drive
and software.
Contact service
Note: After replacing component from PC (except for RAM), and replacing monitor, the
game should be recovered again with the recovery stick attached to the machine.
