March 2008
"2047ES / 2647ES / 3247ES" Service & Parts Manual - CE Specifications
Page 3-14
CALIBRATION TROUBLESHOOTING; Failure messages (continued)
F31:REJECT CURVE
The DYNAMIC pressure curve is unacceptable.
An initial pressure peak when the platform lifted cannot be found between 0%
and 15% height.
Check the pressure sensor and lift cylinder hydraulics.
F32:REJECT CURVE
The DYNAMIC pressure curve is unacceptable.
There should be a lowest pressure about halfway through the lift (ie: near 50%
height); the lowest pressure measured is at too low a height.
Check the pressure sensor and lift cylinder hydraulics.
F33:REJECT CURVE
The DYNAMIC pressure curve is unacceptable.
There should be a lowest pressure about halfway through the lift (ie: near 50%
height); the lowest pressure measured is at too high a height.
Check the pressure sensor and lift cylinder hydraulics.
F34:REJECT CURVE
The DYNAMIC pressure curve is unacceptable.
There is not enough difference between the initial pressure peak and the
minimum pressure.
Check the pressure sensor and lift cylinder hydraulics.
F40:REJECT DELTA
This message indicates that there is not enough difference between the loaded
& empty pressure.
This message could occur if the platform were not properly loaded during the
STATIC LOADED phase, or if the platform were not properly empty during the
STATIC EMPTY phase.
This message could also occur if the wrong pressure sensor was fitted (eg: a
5000psi sensor when a 2000psi one is needed).
Check CALIBRATIONS / HEIGHT CALS; the “Height” indicates the first height at
which there was insufficient difference and the “Up” and “Down” values show the
loaded pressure (first) and the difference between loaded and empty pressure
(second).
F42:LOW PRESSURE
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.
