Troubleshooting guide
Merit Industries Inc.
Troubleshooting Guide for Megatouch™ XL
For more information contact Merit Customer Service at 1(800) 445-9353, 8:30 AM - 6:00 PM EST
page: 2
PM0076-01-0A
PROBLEM CORRECTIVE ACTION COMMENT
Game displays an error with
memory.
• Check that the RAM SIMMs is
installed/seated properly.
• The SIMMs is located on the
motherboard in the rear of the game.
Two 4MB or one 8MB SIMMs are factory
installed in the game. The SIMMs must be
fully seated and locked in place for
proper operation.
“Causeway Error #9,”
Game locks up,
Game graphics incorrect.
• Check that the RAM SIMMs is
installed/seated properly.
• Check CD for scratches or damage.
• Clean CD.
• Perform a Two-button clear. See
“COMMENT” for instructions.
• Check NV RAM (U11 on I/O card) for proper
seating and/or bent pins.
• See “Game displays an error with
memory” in the problem column.
• Dirt, fingerprints, or scratches on the CD
will cause game malfunction.
• Use appropriate method to clean CD.
• Two Button Clear:
1. Turn game power off.
2. Remove the coin box/bill acceptor.
3. Depress and hold the Calibrate and
Set-up buttons located in the rear of
the coin box opening.
4. With Calibrate and Set-up depressed,
turn game power on.
5. Release Calibrate and Set-up buttons
when “2-Button Clear Detected” is
displayed on screen.
6. “2-Button Clear Complete”
• Using the diagnostics software, run the
“Motherboard Tests,” “Processor Test”
and “Co-Processor Test” to make sure
they are each working correctly.
Touchscreen does not work.
(Microtouch)
• Verify that the Touchscreen controller is
connected to power.
• Verify that the Touchscreen controller is
operating.
• Verify that the Touchscreen controller is
connected to the motherboard.
• Make sure the screen is not scratched.
• Make sure no metal is touching the screen.
• Upright games only - make sure the
monitor door is closed properly. If it is
loose, it can cause the game to lose
calibration.
• Check COM1 setting during boot-up.
• The touch screen controller is a small
box mounted inside the rear
compartment of the game. On a game
with a Microtouch controller, an LED is
illuminated when power is applied.
When operating the LED will change
intensity when the screen is touched.
• Check for proper connection of the
touch screen power lead with the
power harness. The connection is made
near the controller in the rear
compartment of the game.
• The Touch Screen is connected to COM
1 input on the motherboard in the CPU
section of the game.
• If the screen is scratched, it must be
replaced.
• Using the diagnostics software, run the
“Motherboard Tests,” “Serial Port Test”
to make sure they are each working
correctly.
• If COM1 is bad, the motherboard needs
to be replaced.