Norac UC4 - Symptom See See Section Page

31
Symptom See
Section
See
Page
ReTune procedure stalls at "DZ" or "KP" screen
4.4 18
Incomplete System Setup of the Roll section 4.5.2 19
 During Control System Test
Boom does not appear to be sufficiently level
after System Setup
4.1.6 10
7.2 OPERATIONAL ISSUES
Table 5 – During Operation
Symptom See
Section
See
Page
 LCD Screen Issues (General Operation)
LCD screen does not light up 4.1.1 8
System resets itself when the valve is turned on 4.1.1 8
Part of the LCD screen is black 4.1.2 8
Some of the digits do not appear on the LCD
screen
4.1.2 8
LCD screen turns black (high contrast)
temporarily
4.1.3 8
 UC4 Problems (General Operation)
UC4 system switches between AUTO and
MANUAL modes randomly
4.1.3 9
LCD screen display changes erratically 4.1.3 9
UC4 system unintentionally goes into
MANUAL mode from AUTO mode
4.1.3 9
Target height on the main lift boom
unintentionally increases/decreases over time
4.1.4 9
UC4 system does not go into AUTO mode 4.1.5 9
 Sensor Related Issues
Sensor appears not to work. Displaying:
"NC"
4.2.1 10
"NR"
4.2.3 11
"##" or "-#"
4.2.4 12
 Hydraulic Related Issues
Boom(s) will not raise or lower
4.3.1,4.3.
7
14, 16