Mr Karait, Thanks for your reply,
yes actually i can adjust lowering speed using LTD in window 7 (lift parameter)
PrVa: max. pulse ratio of the proportional valve
at this parameter, i already adjusted to maximum value (0.64)
if i reduce this value, the output voltage on proportional valve also reduced.
The LLC, i already tried to replace with another LLC but still same problem.
Any other suggestion sir?
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