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SYMPTOM: 8 FLASHES= CONTROLLER OVER TEMPERATURE.
This code is generated when the controller is overheated. This can result from a few di
ff
erent possible issues.
The most common reason for the controller being overheated is directly related to the heavy motor cables. If
there is a bad crimp or wire failure, they can create heat which travels back to the controller. To repair this, closely
inspect all of the cables that are attached to the controller for signs of heat; replace any problem cables. If the
controller is ever replaced, it is important to apply thermal grease, otherwise known as “heat paste” or “thermal
paste” to the back of the controller (J&J #2-70-0112). This product will help the controller transfer the heat from
the controller to the large aluminum plate, which is designed to distribute the heat away from the controller.
One other problem to look for is excessive drag on the motor, causing the amperage to remain
very high when the kart is in operation. This can be a problem with the motor or axle, or can
even occur if the guest drives against the rail for an entire race. Be sure to inspect the kart closely
for a problem. Once the controller cools down, however, the code will clear itself.
SYMPTOM: 9 FLASH = INTERNAL MONITOR FUNCTION TRIPPED
.
This
fl
ash refers to either the armature or
fi
eld current out of limit. If this
fl
ash code is present it is likely that a
fi
eld within
the controller was changed or corrupted. To correct the problem install a known working pro
fi
le from another kart. Follow
the steps for
fl
ash code 1 to correctly install the working pro
fi
le.
SYMPTOM: 10 FLASH = ARMATURE AUTOZERO VALUE OUT OF RANGE.
Call J&J service department if this
fl
ash code is present.
Kartrol Locations
Pit sensor
Sensor wire
Receiver
(bodied go-kart)
Receiver
(Eagle/F-22 go-kart, mounted
under wing. Wire runs
down wing support)
Motor wire