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Number of Shocks (NOS): The recorded number of shocks administered by the grid.
Number of Visits (NOV): The number of recorded visits to the grid within an interval.
Status: Status of treadmill belt indicating RUN or IDLE.
5.0 TROUBLESHOOTING
5.1 Hardware
The following tips might aid in identifying hardware issues:
Check the AC outlets for power. Does a switch control power to the outlet?
Are you using a DB25-DB9 serial adapter with your serial port? Some of these are made specifically
for connecting mice and modems to the computer that may interfere with the communication of the CI-
Bus. Contact Columbus Instruments if uncertain.
Check the power indicator on the Computer Interface. The top right green LED on the
“CONTROLLER” port should be lit continuously.
Check the Power Supply for the Computer Interface. Is the power plug installed correctly in the
Computer Interface? Is the power supply inserted into AC power?
Check the AC power cord. Is it fully inserted into the Treadmill Controller and AC power?
Check the fuses of the Treadmill Controller (it may require the use of an ohmmeter to verify
conductivity).
Check the LCD of the Treadmill Controller. It should be lit continuously. There should be text on the
LCD (adjust the contrast knob fully clockwise to view). If not, contact Columbus Instruments. This
may be an indication of a fault within the Treadmill Controller.
Check the serial cable between the host computer and the Computer Interface? When properly
connected, the transmit indicator (top left yellow LED on the “CONTROLLER” port of the Computer
Interface) will flash very briefly when the computer sends information to the CI-Bus. Likewise, the
receive indicator (top middle green LED on the “CONTROLLER” port of the Computer Interface) will
flash briefly when any device sends information to the CI-Bus.
Check the RJ-45 cable between the Computer Interface and the Treadmill Controller. It should be
fully inserted with the connector locking tab snapped into the jack.
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