Fault codes / Ground Control / External Sensor
Ground Control: External Sensor
What it means: Bad link to the rear sensor.
What to check
Repair or replace the rear sensor harness and plugs.
Learn the system
- How a slide room is built and carried
- Identify the slide system in a minute
- The in-wall controller: versions and fault codes
- Ball-screw actuator slides: clutch, stops, diagnosis
Practice it on a service call
Guided diagnosis
Other Ground Control codes
- Ground Control: Excess Angle Controller is not secured or the coach angle went too far
- Ground Control: Feature Disabled Front is below level when starting, no touch pad power cycle, or zero point not set
- Ground Control: Low Voltage Battery dropped below 10.8 V
- Ground Control: Out Of Stroke A jack reached max stroke, or a high-amp stall
- Ground Control: Jack Time Out Auto operation ran longer than allowed
- Ground Control: Auto Level Fail Ground too uneven, or the zero point is wrong
- Ground Control: Comm Error Touch pad and controller lost communication
- Ground Control: Bad Calibration Sensor calibration out of range
- Ground Control: Internal Sensor Controller sensor problem
- Ground Control: Hall Effect Short Short in a hall-effect circuit
- Ground Control: Panic stop A touch pad button was pressed during auto operation
Full field guide: Lippert Ground Control 3.0 leveling
Codes come from the maker manuals and public service sheets. Your model's own chart always wins, and LP and 120 volt work belongs to a qualified technician.