Topcon Motorgrader - Mainfall Sensor Test

Troubleshooting
Motorgrader System Five Operator’s Manual
7-8
6. At the Rotation Sensor, disconnect the cable from the Mainfall
Sensor and connect it to the Blade Slope Sensor (by passing the
Rotation Sensor).
7. Turn the Control Box "On" again and enter the System Test
Mode.
If "ERROR" is displayed, the Mainfall to Rotation Sensor Cable is
damaged. If "ERROR" is NOT displayed, then the failure is located in
the Rotation to Blade Slope Sensor Cable.
If a Blade Slope Sensor or cable failure has occured, contact your
Topcon Dealer or Topcon's Service Department.
Mainfall Sensor Test
The Mainfall reading in the center of the screen is the calibrated value
of the Mainfall Sensor. To check if sensor is working properly:
Figure 7-9.
E NT E R E XIT
KNOB
VALVE
LASER
SONIC
KNOB
VALVE
LASER
SONIC
MAINFALL -1.0 %
ROTATION
SLOPE
SYSTEM TEST