V3F25/18 drive
Installation Instruction
© 2004 KONE Corporation AM-11.65.020
All rights reserved. 27 (42) (E) 2004-01-08
6.2 Starting
6.3 Jerky start or roll back
Whenever the resolver angle is changed or fine tuned, repeat these adjustments.
Repeat these adjustments always before leaving the elevator in normal use.
Shaft setup should be done before these adjustments. It is important to adjust these in
following order.
6.3.1 Preparations
Step Action Note
1 If the mechanical brakes are still
engaged when the drive starts,
increase the value of
Start delay
(6_37)
parameter.
Recheck the operation.
Normally the brake start delay parameter
does not need adjustment.
NOTE!Do not increase the value
unnecessarily. A too high value
decreases the performance of the
elevator.
Step Action Note
1 Check the load weighing information.
Adjust if needed.
See LWD setup.
2 Set the value of
Start delay (6_37)
parameter to 1 second.
These are temporary settings for the
next adjustments.
3 If the value of
P factor (6_20)
parameter is more than 1.5 set the
value to 1.5.
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