Section 3.Systems Overview

Model 4700 Maintenance Manual

flash and the Battery Charge Indicator LEDs should go out.

13.Toggle the Turtle button until the center steering LED is flashing.

14.Press and release the LPH button to select Learn for the center steer position. The center steer direction LED will be on solid and the Battery Charge Indicator LEDs will flash.

15.Depress the brake pedal to start the hydraulic pump and allow steering.

16.Steer to the center position and hold.

17.Press and release the LPH button to store the value. The center steer direction LED and the Battery Charge Indicator LEDs should be on solid.

18.Press and release the LPH button to exit. The center steer direction LED should now flash and the Battery Charge Indicator LEDs should go out.

19.If another selection is to be learned, toggle the Turtle button until the desired selection is displayed. If no other selections are to be learned, toggle the Turtle button until the truck exits Learn mode and performs SelfTest. Cycle the key switch after exiting Learn Mode.

Check/Change Battery Voltage

This procedure should be performed whenever multiple codes are displayed and it is suspected that the learned battery voltage is incorrect.

NOTE : When battery voltage is changed, all potentiometers must be re-learned.

Alternative LEARN 3-10

1.While in Learn mode, toggle the Turtle button until a flashing “Lb” is displayed (Lb = Learn battery).

2.Press and release the LPH button. 36 or 48 should appear on the display.

3.Toggle the Turtle button to the correct battery voltage.

4.Press and release the LPH button. A flashing “n” should now be displayed.

5.Toggle the Turtle button until a flashing “y” is displayed.

6.Press and release the LPH button to store the value. The truck should exit Learn mode and go through SelfTest.

NOTE : If the truck displays codes and/or does not go through SelfTest after exiting Learn mode, cycle the key switch.

7.Cycle the key switch.

Publication 1160093, Issued: 20 May 2013