EI65 SERVICEMANUAL
© PAT
Rev. B 03/08/02 // CLC
031-300 / 190007_b.DOC
8
4.4
ANGLE READING PROBLEM
Replace Angle Sensor.
Cable Reel Sensors.
START
PROBLEM: Displayed Angle Incorrect. Actual measured angle is different from displayed angle.
Cable defective, replace cable or cable assembly.
Refer to Installation Manual for system wiring diagrams.
END
Correct?
Use a calibrated inclinometer to measure the actual main boom angle
and compare with displayed angle on console.
Refer to Installation Manual, Section 5 Mechanical Adjustments of Cable Reel Sensors.
No
Check the supply voltage to angle sensor on connection board
between X1:17 (+5VDC) and X1:20 (ground).
Refer to Installation Manual for system wiring diagram.
Check system power supply voltage.
Refer to Section 3.2 No Display, this manual.
Correct?
Yes
No
Yes
Check the voltage at angle sensor between connector pins A (AGND) and C (+5V).
Refer to Installation Manual for system wiring diagrams.
Check the voltage between X1:20 (ground) and X1:18 (signal/output voltage).
Voltage should be 3.125V (0°), 2.5V(45°), 1.875V (90°).
Refer to Drawing 4, Angle Sensor Circuit in Section 5.
No
Correct?
Complete steps 4.1, 4.2, 4.3, 4.8, 4.8.1 and 4.14 through 4.16 in the Calibration Manual,
031-300-190-009.
Do NOT
will be lost, and you will have to complete the entire calibration procedure.
Yes
