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24 160 19_0106E_Rev D.doc / 2005-06-27 / rk.
5.3.1 Troubleshooting a Sensor Problem using the Display
For a sensor error or problem with a sensor, look at the output voltage of the pressure transducer,
length, and angle sensors and compare the reading with the following:
Pressure transducers (piston and rod), 500 mV @ 0 psi
Length sensor, 500 mV @ retracted boom length
Angle sensor, 4500 mV at 0°, 2000 mV at 45°, or 500 mV at 90°
To access the analog output screen use the following procedure.
1. From the operating screen, press and held both the ⇑- button and the “OK”-button for 5 sec-
onds to display the maintenance screen.
2. The screen show the following selections:
• calibrate sensors
• sensor outputs
• exit
3. Use the ‘UP’ and ‘DOWN’ arrows to high light (text flashes) sensor outputs, and then press
‘OK’ to display a similar screen as shown below:
All Analog input voltages (shown in millivolts), received from the sensors will be displayed here as
described below. The minimum values are show in the screen pictured.
PIS 2047 mV 1686 PSI
ROD 698 mV 215 PSI
LEN 503 mV 32.9 FT
ANG 1236 mV 73.4 DEG
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