Troubleshooting - ACCO Brands ACCOLIFT CLH Instruction Manual For Installation / Operation / Maintenance / Parts

7.4. Troubleshooting

Problem
The chain hoist
does not work
Hoist motor malfunction
The Travel direction does not
correspond to that indicated on the
push button
Brake Malfunction
Electric Leakage
Abnormal noises while the load is
being moved
Cause
The emergency stop button is activated
Main switch is off
Poor contactor of push button
Check power cable, terminal and push button
switch contact
Noise on motor and over current flow
Noise on motor and over heat
The power supply is incorrectly
connected
Wear on brake lining
Slip
Electric flow on hoist body and
chain
The chain components are not lubricated
Chain is worn
Load sheave or chain guide is worn
Idler sheave is worn
A supply phase is missing
Solution
Deactivate it
Turn it on
Replace push button control
Repair or replace
It is overloaded. Operate hoist within rated capacity
Check fuse, voltage, or connection of 3 phase power
Change two phases of the power supply
Check and replace brake lining
Contact qualified technician
Check connection to an earth ground
Check insulation resistance
Check moisture on push button and dry
Lubricate the chain components
Replace it
Replace the sheave or chain guide
Replace it
Check the connection of the phases
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