Sega INITIAL "D" TYPE TWIN. - Manual (Page 91)

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If a problem occurs, first check to make sure that the wiring connectors are properly connected.
18-2 TROUBLESHOOTING (WHEN NO ERROR MESSAGE IS SHOWN)
 In order to prevent electric shock and short circuit, be sure to turn power off
before performing work.
 Be careful so as not to damage wirings. Damaged wiring can cause electric
shock or short circuit.
 After removing the cause of the functioning of the Circuit Protector, reinstate
the Circuit Protector. Depending on the cause of the functioning, using the
Circuit Protector as is without removing the cause can cause generation of heat
and fire hazard.
 In the event that a problem cannot be resolved by employing the procedures
listed in this Manual, be sure to request service from the office shown on
this Manual or the dealer from whom the product was originally purchased.
Attempts to employ procedures other than those specified in this Manual can
cause electrical shock, shorting, or fire.
 In the event of a problem that is not described here, be sure to contact the
office shown on this Manual or the dealer from whom the product was
originally purchased. Careless attempts at repair can result in electrical shock,
shorting, or fire.
Functions due to the activation of
bimetal. To restore the function, wait
for approximately one minute or longer
until the bimetal cools off. (Press the
Button.)
FIG. 18. 2 a
CIRCUIT PROTECTOR
TABLE 18. 2
When the main SW is
turned ON, the machine
is not activated.
Fluorescent lamp inside
FL box doesn't light up.
The power is not ON.
Incorrect power source/voltage.
The CIRCUIT PROTECTOR
functioned due to momentary
overcurrent.
The fuse of the connect board
was blown out due to momentary
overcurrent.
Connector connection fault.
Fluorescent lamp and Glow lamp need
replacement.
Firmly insert the plug into the outlet.
Make sure that the power supply/voltage are
correct.
After eliminating the cause of overload, have
the Circuit Protector of the AC Unit restored.
(See Section 6 4 , Refer to the following.)
After eliminating the cause of overload, replace
the specified rating fuse. (Fig. 18. 2 b)
Check connector connections between the Cab-
inet and the FL box.
Replace the fluorescent lamp and the glow
lamp. (See Section16.)
PROBLEM CAUSE COUNTERMEASURES
WARNING!