PAT EI65, Руководство по устранению неполадок

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EI65 TROUBLESHOOTING HANDBOOK
031-300-190-035 REVISION A 01/25/99
7
3.3 ANGLE READING PROBLEM
Replace Angle Sensor.
Refer to Section 14. Angle Sensor Setup/Adjustment Procedures.
START
PROBLEM: Displayed Angle Incorrect. Actual measured angle is different from displayed angle.
Cable assembly defective, replace cable assembly.
Refer to Drawing 1, System Diagram in Section 5.
END
Correct?
Use a calibrated inclinometer to measure the actual main boom angle
and compare with displayed angle on console.
Refer to Drawing 5. Angle Sensor Adjustment in Section 5. Drawings.
No
Check the supply voltage to angle sensor on connection board
between X1:17 (+5VDC) and X1:20 (ground).
Refer to Drawing 1, System Diagram in Section 5.
Check system power supply voltage.
Complete to Section 3.1 No Display.
Correct?
Yes
No
Yes
Check the voltage at angle sensor between connector pins A (AGND) and C (+5V).
Refer to Drawing 1 & 6 in Section 5.
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 6, Angle Sensor Circuit in Section 5.
No Correct?
Complete steps 4.1 through 4.6 and 4.12 through 4.24 in the Calibration
Section of Operator's and Calibration Handbook 031-300-190-015.
Yes