CONTROL GP-ENGINE ELECTRONIC 3431904 - Caterpillar

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Typical example of the "SERVICE" menu for the monitor
Press down key (6) in order to highlight the menu option "CALIBRATIONS".
When the "CALIBRATIONS" menu is highlighted, press the OK key (8) .
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Press down key (6) in order to highlight the menu option "BM DOWN REGEN PRV".
When the "BM DOWN REGEN PRV" option is highlighted, press the OK key (8) .
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The monitor will begin to communicate with the ECM. This may take a few moments. When the communication link is established, the monitor will display the calibration screen.
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(L) Lower limit (U) Upper limit (C) Current Value (S) "STEP NUMBER" and "STEP NAME"
After the OK key is pressed, the "CALIBRATION TITLE" will appear. The "CALIBRATION TITLE" screen allows the upper limitation and the lower limitation to be set. Refer to Illustration 9.Note: The title of the calibration and the name of the step will change in accordance to the procedure that is being performed. "CALIBRATION TITLE" and "STEP NAME" are used in this document as an example.Note: In the "CALIBRATION TITLE" screen, "STEP No" is displayed in blue. The "OPERATION GUIDANCE" will be displayed in green.
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Press the OK key (8) in order to start the calibration.Note: The "HYD OIL TEMP / ENGINE SPEED" screens are available during the process of calibration by pressing the up key (1) or the down key (6) .
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Hold the joystick for the boom at the full BOOM DOWN position. Press the OK key (8) .
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Press the right key (2) in order to increase the value. Press the left key (5) in order to decrease the value. Adjust the value until the gauge pressure is within the specification.
When the value is within the specification, press the OK key (8) .
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After the OK key is pressed the monitor will automatically continue with the tuning of the next pressure value. Hold the joystick for the boom at the full BOOM DOWN position. Press the OK key (8) .
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Press the right key (2) in order to increase the value. Press the left key (5) in order to decrease the value. Adjust the value until the gauge pressure is within the specification.
When the value is within the specification, press the OK key (8) in order to proceed to the next screen.
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The calibration is complete. Press the cancel key (7) in order to exit the process of calibration.
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The "ERROR ID" screen will be displayed on the monitor if an error occurs. The process of calibration will not be saved and the process must be restarted.