Downstacker motor doesn’t move correctly.

Problem:

Downstacker motor doesn’t move correctly to the reference position, stops or suddenly changes the direction of rotation. Display of servo controller U16 shows „IMax“ or „P03 trip“.

Possible Causes & Resolutions:

To check:

  • Mechanical condition of downstacker motor: Turn it by hand and check that everything runs smoothly.
  • Resolver mounting: Is firmly connected to the motor shaft?
  • Resolver bearings: Remove the resolver from the motor shaft and check if it is turning smoothly.
  • Resolver and motor connections: Motor and resolver are connected correctly and clamps/plugs tightened?
  • Motor windings: Disconnect the motor from the inverter and check the windings with an ohm meter (U-V,U-W,V-W). All values are equal?
  • Output servo controller: Measure the inverter output voltage when it should run (U-V,U-W,V-W). If 0V and display shows „IMax“ maybe servo controller defective.

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All Can Man content is now also available on the Soudronic Group website.
Where do you want to continue your journey?