128
SJ6826RT, SJ6832RT
213560ABA
Section 4 – Troubleshooting Information
Hydraulic Systems
11. Flash Code F12: Too Many -
This message occurs if the DYNAMIC lift takes too long. This
message could occur if the UP switch was not released at
the end of the dynamic lift.
If the machine takes more than two minutes to lift, the
GP102 may need modification to avoid this problem.
12. Flash Code F13: Low Height Range -
This message occurs at the end of the DYNAMIC lift if the
height sensor output did not change sufficiently to give a
reasonably accurate platform height estimate. This message
could occur if the UP switch was accidentally opened too
early (when the platform is not fully raised).
This message will occur if the UP switch was accidentally
opened near the start of the DYNAMIC lift.
If the platform is fully raised, check the elevation switch
wiring.
13. Flash Code F14: Bad Height -
This message occurs if the height sensor output P4-3 is out
of range during the DYNAMIC lift.
The height sensor output must be between 1.0V and 4.0V.
Check DIAGNOSTICS / SENSORS to see the output.
A reading of 0 V or 5 V is probably due to a wiring
problem.
14. Flash Code F15: Check Elev -
This message is given if the elevation switch P2-10 is open
when the platform has been fully lowered after the DYNAMIC
lift.
This message would occur if the DOWN switch was
accidentally opened before the platform was fully
lowered.
If the platform is fully lowered, check the elevation
switch.
15. Flash Code F16: Low Elev.open -
This message is given if the elevation switch P2-10 opened
during lift at a too low height (below 5%).
If it opens below 5%, the pressure is probably too
unpredictable to allow reliable detection of an overloaded
platform when initially raised.
Check CALIBRATIONS / HEIGHT CALS.
The ElevUp value shows the recorded height where the
switch opened.
16. Flash Code F17: High Elev.open -
This message is given if the elevation switch P2-10 opened
during lift at a too high height (above 25%).
If it opens above 25%, the platform is too high when the
overloaded platform is detected.
Check CALIBRATIONS / HEIGHT CALS
The ElevUp value shows the recorded height where the
switch opened.
17. Flash Code F18: Low Elev.close -
This message is given if the elevation switch P2-10 closed
during lower at a too low height (below 5%).
If it closes below 5%, height sensor fault detection is
compromised.
Check CALIBRATIONS / HEIGHT CALS
The ElevDown value shows the recorded height where
the switch opened.
18. Flash Code F19: High Elev.close -
This message is given if the elevation switch P2-10 closed
during lower at a too high height (above 25%).
When the switch is closed, overload detection is normally
disabled but if the switch closes above 25%, the platform
is too high to allow disabled overload.
Check CALIBRATIONS / HEIGHT CALS
Tthe ElevUp value shows the recorded height where the
switch opened.
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