..C4 Quick Start Guide..
10
3.6 Inconsistent Floor Levels
Inconsistent floor levels may not always be because of the landing system, most of the time the issue
stems from poor motor control at low speeds. Try the following solutions:
Magnetek:
- Adjust (A0) -> Drive (A1) -> Inertia -> try using increments of 0.1 from the default (2).
KEB:
- Control Settings -> Deceleration (LC04, LC09, LC12) -> increase the Deceleration gains one
at a time.
3.7 Thump/Clunk Sounds at the End of a Run
A thump or a clunk can be heard or felt at the end of a run when the car stops. This is a mechanical noise
when the drive is disengaging and the mechanical brakes are setting in. The weight of the car is being
transferred onto the brakes. This issue mostly occurs with gearless machines.
To resolve this issue, try the following:
Magnetek:
- Configure (C0) -> User Switches (C1) -> Ramped Stop Sel-> set to RAMP ON STOP
- Configure (C0) -> User Switches (C1) -> Ramp Down En Src-> set to RUN LOGIC
- Adjust (A0) -> Drive (A1) -> Ramped Stop Time -> start at default (0.2) and increase as
needed.
KEB:
- Timer -> Current Hold Time (LT12): increase as needed.
- Timer -> Current Ramp Down Time (LT13): increase as needed.
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