Page 28 of 35
Reference: 708052-1
Issue date: 23-Jul-2014
Revision: B
TROUBLESHOOTING GUIDELINES (continued)
2. Hoist does not run.
(
Low voltage
indicator light is
ON
.)
a.
If the motor is hot, motor thermal overload protection
may have tripped. Allow motor to cool and see if it resets.
This may take 30 minutes or more.
b.
Frequent stops and starts, high outside temperature,
a dragging brake, or overloading can cause the motor to
heat up.
3. Wire rope will not reeve. a.
Increase hand pressure on the wire rope while rotating
the ↑ UP button.
b.
Take the wire rope out, rotate it 180° and put it back into
the hoist while pushing the ↑ UP button.
c.
Poor bullet; prepare a new end.
d.
End of wire rope is bent or kinked. Prepare a new
end.
e.
Dirt or other material is obstructing inside the hoist.
Clean out with air or flush with water.
4. Motor runs normally but
hoist will not lift.
a.
Make sure that the bullet end of the wire rope has come
out of the wire rope exit spring.
b.
Inspect the wire rope for damage or wear.
Replace as necessary.
c.
WIRE ROPE MAY BE JAMMED.
DO NOT CONTINUE TO OPERATE.
CALL YOUR SUPERVISOR.
5. Hoist hums, starts slowly,
and is sluggish.
a.
Check for correct run voltage. Correct as necessary.
•
Run separate cords for each hoist.
•
Use shorter cords.
•
Use short cord with larger wires.
•
Add a booster transformer at the power source.
= Inspect
= Verify
=Perform process
