Service manual

Load Sensing System - CE (Continued)
SKYJACK, Page 18 SJIII Compact Series
143909
Section 4 - Troubleshooting Information Service and Maintenance
4.3-33 Flash Code F42:Low Pressure
1. This message indicates that the pressure is too low (0.5V or less) when the elevation switch opens
during the DYNAMIC lift.
This message would occur if the pressure sensor was disconnected, or if there were some other wiring
error.
Check DIAGNOSTICS / SENSORS to check the pressure. -
4.3-34 Flash Code F43:High Pressure
1. This message indicates that the pressure is too high (4.5V or more) when the elevation switch opens
during the DYNAMIC lift.
This message would occur if the pressure sensor was disconnected, or if there were some other wiring
error.
Check DIAGNOSTICS / SENSORS to check the pressure. -
4.3-35 Flash Code F44:Low Pressure
1. This message indicates that the pressure is too low (0.5V or less) at a STATIC measurement point.
This message would occur if the pressure sensor was disconnected, or if there were some other wiring
error.
Check DIAGNOSTICS / SENSORS to check the pressure. -
4.3-36 Flash Code F45:High Pressure
1. This message indicates that the pressure is too high (4.5V or more) at a STATIC measurement point.
This message would occur if the wrong pressure sensor was fitted, or if there were some other wiring
error.
Check DIAGNOSTICS / SENSORS to check the pressure. -
4.3-37 Flash Code F46:Check Elev
1. This message indicates that the elevation switch opened more than once during the DYNAMIC lift.
4.3-38 Flash Code F47:Check Elev
1. This message indicates that the elevation switch closed more than once during the DYNAMIC lower.