Trystan Casey
Electric levelling jacks are used to level and stabilize RVs. They can be operated using a touchpad or a Bluetooth-compatible app. Some common electric levelling jack systems are the Lippert Level Up system, the Power Gear system, and the Ground Control 3.0 system. While electric levelling jacks are generally reliable, they may sometimes encounter issues such as error codes or false indicators. Troubleshooting steps for resolving these issues typically involve checking fluid levels, inspecting float switches, and verifying wiring connections.
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What You'll Learn
Troubleshooting electric levelling jacks
Jacks won't retract
If your levelling jacks are stuck down and won't retract, you have a serious problem. You won't be able to move your RV with the jacks down, so you'll need to get this fixed right away. First, notify the campground office of your issue. Most RV parks are mindful of these kinds of issues and will be willing to work with you on scheduling.
Low fluid levels
The number one cause of a hydraulic levelling system malfunction is a low fluid level in the tank. As the jacks retract, fluid gets pushed back to the tank, and a float switch tells the dash panel if the jacks are up. If the fluid is low, the light will come on, telling you they are down when they are not. Locate the hydraulic tank, which will be connected to the pump/motor, and fill the tank right below the fill port with the jacks retracted.
Blockage or air in the hydraulic system
If your jacks extend but only retract a little before stopping, it could mean there is a blockage or air in the hydraulic system. Check the hydraulic lines for any clogs and make sure there is no air trapped inside. If your system uses air, release it, then press and hold the "Auto Levelling" button on the control panel for 10-15 seconds. This will start a reset process that extends and then retracts the levelling jacks, helping to push out any trapped air.
Manual overrides
If you are in a time crunch and need to vacate your site, you may have to explore temporary fixes. Your owner's manual can walk you through the manual retract process for your jacks. Most hydraulic levelling jack systems have a manual override that will allow you to retract the jacks so you can get your rig to a repair shop.
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Resetting the Lippert electric levelling system
If you encounter any issues with the Lippert electric levelling system, it is recommended to restart the system as a first course of action. This can be done by shutting down the power for about 15 seconds and then powering it back up. It is important to ensure that the system is receiving the required power, as issues with the power supply could be the cause of any problems.
Lippert also provides an app and online chat support to help troubleshoot any issues.
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Low fluid level in the tank
If your electric levelling jack is not turning off, it could be due to a low fluid level in the tank. This is a common issue with hydraulic levelling systems. The fluid level in the tank should be checked with the jacks up and slides in. Your tank should have a line to indicate the proper fluid level. If the fluid level is below this line, it will need to be topped up.
To do this, locate the hydraulic tank by listening for the pump/motor when you run the jacks. The tank will be connected to the pump/motor. With the cylinder rod in the completely retracted position, top off the oil to the recommended level. Do not overfill the tank, as this can cause oil to come out of the filler vent cap. It is important to note that you should never fill the tank with the jacks extended.
If your tank does not have a line to indicate the proper fluid level, you can refer to your operations manual for guidance on the correct fluid level. Additionally, the type of fluid required for your levelling jack should be indicated in the tank. If not, you can refer to the operations manual or seek advice from a specialist.
After topping off the fluid, attempt to actuate the system again. You may need to extend and retract the actuator a few times to purge any remaining air. If the issue persists, there may be another reason why your levelling jack is not turning off, and further troubleshooting or specialist advice may be required.
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Control panel issues
Power Loss
Firstly, check if the control panel is receiving power. A loss of power to the control panel can occur due to various reasons, including low battery voltage, faulty wiring, or tripped breakers. Ensure all coach and starting batteries are fully charged, as even a slight voltage drop can affect the operation of the levelling jacks. Inspect wires connected to the hydraulic pump for any signs of damage or corrosion, as this can interrupt the power supply. Additionally, verify that the breakers have not been tripped and reset them if necessary.
Switches and Relays
Different switches and relays can influence the levelling jack system. Check if the parking brake switch is functioning correctly, as it plays a vital role in powering the levelling jacks. Some RV systems share relays between the jacks and the generator, so ensure these relays are in good working condition.
Control Panel Troubleshooting
If the control panel is not functioning, it could be due to a faulty controller or poor connections. Check the connector on the pad and inspect the control box for any loose or damaged wires. Refer to your owner's manual for guidance on the specific reset procedure for your model. For example, some control panels may require simultaneously pressing certain buttons for a few seconds to reset.
Fuses and Breakers
Fuses can blow at any time, often without visible signs. Check for blown fuses and replace them if necessary. Breakers can also trip, interrupting the power supply. Reset the breakers by pressing the button or lever to restore power.
Hydraulic Fluid
Even automatic levelling jacks require hydraulic fluid to operate. Ensure the fluid level is adequate, as low hydraulic fluid can prevent the jacks from functioning properly.
Following the Correct Process
Some levelling jack models have specific requirements for operation. Ensure you follow the correct procedure, which may include setting the parking brake, positioning the RV in neutral, turning off the ignition, setting the wheels straight, and extending the slides. Refer to your RV's manual for detailed instructions specific to your model.
It is important to consult your RV's documentation and seek technical assistance if issues persist or if you are unsure about any maintenance or repair procedures.
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Manual override
To perform a manual override, you will need to access the jacks directly. This may involve removing a cover or cap to expose the manual override mechanism. For example, the Stromberg Carlson electric jack (JET-3755) has a screw-on manual override cover with a built-in bubble level, which you can remove to access the manual override function.
Once you have accessed the manual override, you can make adjustments to the levelling jacks by hand. This may involve turning a crank or using a tool to adjust the height of the jacks. It is important to ensure that you are on level ground and that the jacks are secure before attempting to move or use your RV.
In some cases, you may need to troubleshoot issues with the electric levelling system before performing a manual override. For instance, if the ""jacks down" light is on when the jacks are actually up, it could be due to a low fluid level in the tank. You can resolve this by refilling the tank with Dexron fluid when the jacks are retracted.
Additionally, if you encounter an error code, such as "RF Jack," it may be due to an issue with the levelling blocks or the ground not being level. In such cases, relocating to a more level surface and resetting the control panel may resolve the issue. Refer to your owner's manual or seek support from the manufacturer for specific instructions on troubleshooting and performing a manual override for your particular electric levelling jack system.
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Frequently asked questions
If your electric levelling jacks are already down, you can turn them off by locating the float switch and control box, and checking all the connections. You can also refer to your owner's manual for reset procedures.
If your electric levelling jacks are stuck, the most common issue is a low fluid level in the tank. Fill the tank right below the fill port with the jacks retracted. Do not fill the tank with the jacks extended.
If your electric levelling jacks are down but the system says otherwise, locate the pump/motor and go to that area. The hydraulic tank will be connected to the pump/motor. Listen for the pump/motor and check the float switch to ensure it is working correctly.
