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3.Be sure to tear off the tape wrapped around the rope drum before the machine
can be tested. If the machine is tested in a hurry, it may cause the wire rope
rewinding and damage the limit frame.
WARNING：Gloves, safety helmet and steel-toed work boots
should be worn during installation and use.
Electric hoist after long-term use or improper operation may occur a variety of
failures;common failure causes and elimination methods see the following table.
Common Failure
Press the remote
control button to
1
switch but the motor
does not turn.
After pressing the
remote control button
2
to switch, the motor is
noisy and can not start
normally.
Brake failure or
3
excessive slip.
Excessive noise
4
during operation.
Electrification of
5
machine casing.
The limit mechanism
is faulty and the lifting
6
instruction is contrary
to the execution result.
TROUBLE SHOOTING
Cause Analysis
1.The power supply is disconnected.
2.The cable connection position is
broken or loose.
3. The switch is faulty.
4.Capacitor damage.
5.If the rise button fails, it may be
that the limit frame is not reset or the
switch is out of order.
6.The emergency stop switch is not
reset.
1.The power supply voltage is too
low.
2.Capacitor damage.
3.The remote control switch is in
poor contact.
Please contact the sales unit or the company.
1.Poor lubrication.
2.Gear or bearing is damaged.
3.Poor assembly or parts are
damaged.
1.The ground is faulty or
ungrounded.
2.Ground the internal conductor with
the housing.
Improper operation caused the wire
rope to reverse wrap around the
drum.
- 6 -
Handling Suggestion
1.Turn on the power.
2.Check the cable connection
and repair it.
3.Repair or replace the
switch.
4.Replace a Capacitor.
5.Check the limit frame or the
travel switch.
6. Reset the emergency stop
switch.
1.Adjust the power supply
voltage.
2.Replace the capacitor..
3.Repair or replace the
switch.
1.Add grease.
2.Check and replace the gear
or bearing.
3.Check whether the parts
are properly assembled and
repair the damaged parts.
1.Check and repair the
ground cable.
2.Check and repair the
internal cables.
Press the lift switch to make
the hook drop to the bottom
and the wire rope completely
out of the rope barrel, and
then start the normal work.
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