Power Cable - KITO ER2 Serie Manuel Du Propriétaire

Chapter 3 Troubleshooting
Troubleshooting (continued)

Power Cable

Symptom
Electric chain hoist
does not operate.
3
Slow start or unable
to start
Electric chain hoist
operates but unable
to lift a load. (single
phase status)
For single speed
model, the electric
chain hoist operates
in the direction
different to the push
button operation
(negative phase).
* For dual speed
VFD model, refer
to the item of VFD.
100
Cause
Wire breakage
Check the conduction, flaw, crimping of
(more than two terminals and soldering of plug.
wires) When any deficiency was observed,
repair or replace the cable.
Wire burning (more Check the cable. Replace it if burnt.
than two wires)
Insufficient insertion Insert the connector plug to the end of
of plug the receptacle. Tighten the coupling ring
securely.
Insufficient cable Check the cable size for adequacy.
capacity Replace with the proper cable if the
cable capacity is insufficient.
Breakage or
burning of one
Refer to the breakage and burning of above items.
phase only
Wrong connection Change two wires of power line.
of power line when
wiring
DANGER
• Do not change the connection at the Push
Button Switch circuit.
The change of circuit at the Push Button Switch
Prohibited
circuit is very dangerous as the limit switch
becomes not to function.
Remedy
Excessive force
applied on the cable
Non use of shake proof
cable
Twist of wire
Cable was impeded by
other facility.
Temperature rise due
to insufficient cable
capacity
Cables are bundled.
Insufficient insertion at
the installation
Loosening of the fixing
thread due to impact or
vibration
Voltage drop due
to insufficient cable
capacity
Wrong connection
when assembling
Main factor Countermeasure
Support the cable with
Cable Support Arm
securely.
Use shake proof cable to
the moving part.
Layout the wires without
twisting.
Fix the cable not to be
impeded by other facility.
Use the cable with proper
capacity. (See P54.)
Do not bundle wires.
Fix the connector plug to
the receptacle securely.
Use the electric chain hoist
avoiding the large impact.
Use the cable with proper
capacity. (See P54.)
Refer to the connection
diagram and connect wires
correctly.