NAMCO PAC-MAN SWIRL, Operation Manual

Page: 56 / 125

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7. Troubleshooting
- Must be performed by a technician -
7-2 Troubleshooting
z z
To avoid electric shock, accidents or injuries to yourself or other people, or damage to the electronic
circuits, be sure to turn off the power switch before starting work.
z z
If the problem is not described in “7-2 Troubleshooting” or the problem persists despite taking
the appropriate action, turn off the power switch immediately to stop operation, and contact your
distributor. Continuing operations may result in an accident.
z
Before checking for a malfunction, first make sure that all the connectors are
securely connected.
z
Never perform a conductivity check of the boards using a tester or any other tool.
The IC may be damaged by the internal voltage of the tester.
z
When sending parts for repair, be sure to pack them properly. In particular, when
sending the MAIN PC BOARD, wrap the part in sponge or air bubble wrapping
before packing it in a cardboard box to make sure that the part is not exposed to
external forces.
7-2-1 General
Symptom Main cause Solution
Reference
page
The machine does not start
even when the power switch
is turned ON.
The power cord is disconnected
from the outlet or the machine, or it
is not connected securely.
• Connect the power cord correctly
and securely.
•
Turn the machine’s power on
again.
─
The MAIN PC BOARD is not
attached correctly. Attach the MAIN PC BOARD
correctly.
59
MAIN PC BOARD failure. Replace the MAIN PC BOARD. 59
SWITCHING REGULATOR failure.
Replace the SWITCHING
REGULATOR.
60
The power turns off during
operation.
The circuit protector has been
tripped and has turned off the power
switch. * The circuit protector turns off the
current when an abnormal current
occurs. ─
The fuse is blown.
The fuse within the cord box is
blown.
Replace the fuse. 16, 81
The fuse in the plug of the AC
POWER CORD (type G) is blown.