38
Troubleshoooting
| 38 | Version 1.0
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 move-
ment 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
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
Push button switch
Braking interval too large or small.
Motor
Calibrate brake
Tripping as motor overheats Thermal protector
Brake audible
Bearing burning out, driving com-
ponent 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
Push button switch
Switch button did not work
Operating circuit break-o
Internal wiring
Push button switch
Electrical installation error Limit switch
Faults, Cause, and Correction
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