Troubleshoooting
37
Version 1.0 | 37 |
Faults, Cause, and Correction
Faults Major Cause Check Items Remarks
Does not move
horizontally
Rail declining Trolley movement
Electric trolley /manual trolley Inclined pull (wheel is lifting) Trolley movement
Electric trolley /manual trolley Gear occlusion problem Trolley movement
Electric trolley /manual trolley Brake fastening Trolley movement
Electric trolley
Electric faults
Trolley movement
Irregular
movement and
noise
Electric trolley /
manual trolley
Rail & wheel interference
Trolley movement
Side wheel lacks oil
Uneven wheel wear
Wheel deformation
Rail deformation, wear
Bearing wear
Brake wear
Hook
Deformation Hook
Load chain
Wear, extension, deformation Load chain
Load chain
Equipment not properly grounded Proper electric connection
Does not operate
in nonload
state
Brake inaudible
Supply Power Supply power voltage
Operating circuit break-o, electric
parts overheating
Cables
Internal wiring
Transformer
Electrical relay
Limit switch
Push Button Switch
Braking interval too large or small.
Motor
Calibrate brake
Tripping as motor overheats Thermal Protector
Brake audible
Bearing burning out, driving
component wear
Replace brake bearing
Bearing
Slow load operation
Voltage drop Feed cable
Low and high speed status not
operating or working slow
Low voltage Supply power
Voltage drop Feed cable
Movement does not
correspond with
switch button
Movement did not correspond
with switch button
Motor wires connected Motor
Connection error Internal wiring
Switch button did not work
Operating circuit break-o Push button switch
Electrical installation error Internal wiring
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