Troubleshooting  High-speed lifters

Zip Master

The table below shows the cause and solution to be taken when a trouble occurs. Switch off the power before checking.

※For servo motor drive types, see also the motor manufacturer's instruction manual.

1Does not operate
2Operates in reverse
3Operation is unstable
4Slip down
5Poor stopping accuracy
6Abnormal noise/vibration occurs
Answers

Zip Master

1Does not operate
Cause 1 Power is not switched on Inspection method Check power supply voltage Solution Connect power supply circuit correctly
Cause 2 Poor connection of motor terminal block screws Inspection method Check for loose or unconnected screws Solution Connect securely
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2Operates in reverse
Cause 1 Phase order of power lines (U, V, W) is different Inspection method Check phase order of power lines (U, V, W) Solution Replace two of power lines (U, V, W)
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3Operation is unstable
Cause 1 Overload, brake release Inspection method Check connection of power lines (U, V, W phases), etc. Solution Fix loose terminals, etc.
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4Slip down
Cause 1 Malfunction of brakes Inspection method Check for brake operation noise Solution Please contact us
Inspection method Check for loose or unconnected screws Solution Connect securely
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5Poor stopping accuracy
Cause 1 Worn brake lining Inspection method Inspect brake gap Solution Adjust brake gap
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6Abnormal noise/vibration occurs
Cause 1 Loose bolts for fixing main unit Inspection method Check installation and loose bolts Solution Install correctly and tighten fixing bolts securely
Cause 2 Open phase of power supply Inspection method Measure power supply voltage (U, V, W) Solution Connect power supply properly
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