AccuGrade® Laser (CB420) Caterpillar


CB 10 Set Limits Fault

Usage:

120H ALZ
Conditions Which Generate This Code:


Illustration 1g01026517

This diagnostic code is associated with the calibration of the lift valves. The blade has moved outside of the upper or lower limits that have been previously set for the calibration.

System Response:

When this diagnostic code is active, "EXIT ERROR" will be shown on the LCD Display.

Test Step 1. RECALIBRATE THE VALVE

Note: Make sure that the Blade Cushion is turned off.

  1. Restart the calibration procedure for the valve. Refer to Testing and Adjusting, "Bank valve (Grade Control) - Calibrate" for more information.

Expected Result:

Recalibration causes the diagnostic code to become inactive.

Results:

  • OK - Calibration causes the diagnostic code to become inactive.

    Repair: Return the machine to normal operation.

    STOP

  • NOT OK - Calibration has not caused the diagnostic code to become inactive.

    Repair: The calibration was not performed correctly. Perform the calibration again. Refer to Testing and Adjusting, "Bank valve (Grade Control) - Calibrate" for more information.

    STOP

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