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Module Angle Sensor Error F78 R79

Screen Image

 

78 = FRONT CRANE

79 = REAR CRANE

78 Module Angle Sensor Error

 

Explanation

Fault detected between Crane Junction Box and a module angle sensor

The module angle sensor measures the elevation and camber of the trailer.

Causes

  • Damaged sensor cable or connector plug
  • Moisture in sensor connecting plug
  • Faulty sensor

Operator Actions

  • Check connector plug firmly seated and not damaged
  • Use override code to continue operation
  • Request service

Service Tasks

  • Check sensor cable and connector plug.
  • Replace the sensor. The orientation of the sensor is important and the cable should point upwards. Recalibrate using procedure SL0005.
  • With the trailer parked on level ground the elevation should be 0° and the camber should be 0°. These values can be seen at View Sensor Values
  • Remember, all angle sensors are the same component so it is possible to swap sensors in order to help diagnose faulty wiring or a faulty sensor. Just remember to recalibrate any sensor that is moved!