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Troubleshooting
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Summary of Contents for Lippert Ground Control 3.0 LCD
- Page 1 Ground Control 3.0 LCD TROUBLESHOOTING AND ® SERVICE MANUAL...
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Page 2: Table Of Contents
tABLe oF CoNteNtS System Safety Preparation touchpad Diagram operation Basic Jack Operation Unhitching From A Tow Vehicle Auto Level Auto Level Sequence Hitch Recognition System Settings Homing Jacks Zero Point Calibration troubleshooting Manual Override Touchpad Error Codes Special Jack error Codes Component Replacement Landing Gear Replacement Hall Effect Jack Replacement... -
Page 3: Safety
Use of the Ground Control® 3.0 leveling system to support the 5th Wheel for any reason other than which it is intended is prohibited by Lippert’s limited warranty. The Lippert leveling system is designed as a “leveling” system only and should not be used to provide service for any reason under the 5th Wheel such as changing tires or servicing the leveling system. -
Page 4: Preparation
Preparation The leveling system should only be operated under the following conditions: The 5th Wheel is parked on a reasonably level surface. Clear all jack landing locations of debris and obstructions. Locations should also be free of depressions. When parking the 5th Wheel on extremely soft surfaces, utilize load distribution pads under each jack. Moving parts can pinch, crush or cut. -
Page 5: Operation
operation Make sure the 5th Wheel is parked on solid, level ground. Clear all jack landing locations of debris and obstructions. Locations should also be free of depressions. When parking the 5th Wheel on extremely soft surfaces, utilize load distribution pads under each jack. Make sure people, pets and objects are clear of the 5th Wheel while operating the system. -
Page 6: Auto Level
Fig. 2 Fig. 3 Quick Release (pull) Pin Auto Level After unhitching from tow vehicle and parking the vehicle at a safe distance away from the 5th Wheel, press the Power button (Fig. 1K) and then press AUTO LEVEL button (Fig. 1F). Note: Once the automatic leveling cycle has been started, it is important that there is no movement inside the 5th Wheel until the leveling process has been completed. -
Page 7: Hitch Recognition
Note: If the auto level sequence does not perform as described, place the system in manual mode and test that the jacks operate correctly by pressing their coordinating buttons on the touchpad; i.e., pressing the FRONT button only operates the front jacks. Hitch Recognition Turn on the touchpad. -
Page 8: Zero Point Calibration
Zero Point Calibration The “Zero Point” is the programmed point that the 5th Wheel will return to each time the auto level feature is used. Note: Prior to starting this procedure, double check all connections on the controller, jacks and touchpad. In manual mode, run the jacks to level the 5th Wheel. - Page 9 Do Not use an impact driver or impact wrench for any manual override procedure. Use of an impact driver or impact wrench will cause product damage, rendering the product inoperable. Use a cordless or pneumatic screw gun for the override procedure. Use of a 12-18 volt cordless screw gun or pneumatic screw gun is acceptable to manually override the jacks.
- Page 10 Bottom of Jack Motor override Resources Required • ” drive ratchet and extension 5/16 • ” socket Procedure Find the port on the bottom of the jack motor (Fig. 13A). Unplug 2-pin motor harness. Remove the rubber plug (Fig. 14A). 5/16”...
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Page 11: Touchpad Error Codes
Touchpad Error Codes To clear an error code from the touchpad, repair or otherwise correct the issue, then press ENTER. If the error is still present, the message will be displayed again. Error Codes LCD Message What's Happening? What Should Be Done? Controller not properly secured. -
Page 12: Special Jack Error Codes
Special Jack error Codes To clear one of the error codes listed below: Correct or otherwise repair the issue. See Special Jack Error Codes table below. To clear the special jack error code the jacks need to be homed. To "home" jacks, each jack must be able to retract a minimum of 6". -
Page 13: Component Replacement
Component Replacement After replacing any of the following components: Landing Gear, Hall Effect Jacks, Controller, or Jack Motor; jacks will need to homed. See Homing Jacks section. Landing Gear Replacement Make sure the motor's cables are disconnected from the system harnesses. Remove the landing gear needing replacement from the 5th Wheel by removing the carriage bolts (Fig. -
Page 14: Hall Effect Jack Replacement
Hall Effect Jack Replacement Mark mounting location on the bracket of the jack needing replacement. Disconnect jack motor wires from the system's wire harnesses. Remove the jack from its mounting bracket. Install the new jack (Fig. 18C) onto the mounting bracket (Fig. 18B), in the same location previously 1/2"... -
Page 15: Rear Sensor Replacement
Rear Sensor Replacement Locate the rear sensor in the underbelly of the 5th Wheel. Do not cut any hoses or wires that may be installed in the underbelly. Cut an access panel in the underbelly using a knife. The rear sensor should be installed on the crossmember located at the rear of the back axle, centered curbside-to-roadside on the 5th Wheel. - Page 16 Remove the screws (Fig. 21A) from the rear sensor (Fig. 21B) and mounting plate (Fig. 21C) and remove the old sensor from the mounting plate. Fig. 21 When installing a new rear sensor, dry-fit the mounting plate (Fig. 22A) and the new rear sensor (Fig. 21B) to the cross-member (Fig.
- Page 17 3/8" Attach the replacement rear sensor (Fig. 23A) to the mounting plate (Fig. 23B) using two hex head self-tapping screws (Fig. 23C). Proper orientation of the rear sensor is imperative for the correct operation of the leveling system. Fig. 23 Attach the mounting plate (Fig.
- Page 18 10. Reconnect the rear sensor harness to the new rear sensor (Fig. 25A). 11. Run the harness through the frame and up to the compartment where the controller will be mounted. Note: LCI recommends zip-tying the harnesses tight to prevent damage to the harnesses. Note: If the LCD is displaying ERROR EXTERNAL SENSOR (Fig.
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Page 19: Controller Replacement
Controller Replacement Disconnect all jack harnesses from the controller. Disconnect power and ground from the controller. Remove the old controller from the ceiling of the compartment. Using four #8 x 1” wood screws, attach the new controller (Fig. 27A) to the ceiling of the compartment, in the same position as the old, removed controller. -
Page 20: Touchpad Replacement
Touchpad Replacement Remove the face plate of the touchpad (Fig. 29A) from the mounting bezel (Fig. 29B). Unplug the harness from the connector on the back of the old touchpad face plate. Plug the touchpad harness into the connector on the back of the new touchpad face plate, then snap the new face plate into the bezel. -
Page 21: Jack Motor Replacement
Jack Motor Replacement Disconnect the motor's cables from the system harness. 1/2" Using a socket or wrench, remove the two motor retention bolts from the jack (Fig. 30A). Remove the faulty motor from the top of the jack (Fig. 31). Gently engage the new motor's drive coupler with the jack leg's drive shaft. -
Page 22: Troubleshooting
troubleshooting When issues arise during auto sequencing, often the cause is from a component being plugged in wrong— level sensors mounted wrong, jack plugged in wrong at the controller and jack leg. However, these conditions may still auto level correctly when performed on a flat surface. To ensure a good auto level sequence, do as follows: Reset Zero Point. -
Page 23: 4-Point Wiring Diagram
4-Point Wiring Diagram Hall effect Landing Gear Hall effect Landing Gear Rear Sensor LCD touchpad Rear Sensor LCD touch Harness Pad Harness 4-Point Controller Hall effect Hall effect Harness Harness Recommended 50 Amp Breaker (oeM Supplied) Hall effect Hall effect Jack Jack Battery... -
Page 24: 6-Point Wiring Diagram
6-Point Wiring Diagram Hall effect Landing Gear Hall effect Landing Gear LCD touchpad Rear Sensor Rear Sensor Harness touchpad Harness Hall effect Jack Hall effect Jack 6-Point Controller Recommended 50 Amp Breaker (oeM Supplied) Hall effect Jack Hall effect Jack Battery Page 24 Rev: 05.20.2022... -
Page 25: Notes
Notes Page 25 Rev: 05.20.2022 CCD-0001745... - Page 26 The contents of this manual are proprietary and copyright protected by Lippert Components, Inc. (LCI). LCI prohibits the copying or dissemination of portions of this manual unless prior written consent from an authorized LCI representative has been provided. Any unauthorized use shall void any applicable warranty. ...
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