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Trouble Condition Cause Solution
Brake
slippage.
* Braking distance is too long,
even under no-load conditions.
* Motor has become
demagnetized, owing to
too frequent use.
* Replace with a normal
one.
* improper contact of
electromagnetic
contactors.
* Deteriorated resistor for
dynamic braking.
* The load cannot be held at the
level when stopping operation.
* Improper gear oil use. * Replace the specified gear
oil.
* Within rated load, lifting/
lowering speed is slow.
* Deterioration of clutch
brake.
* Replace the set of
mechanical brake with
friction clutch.
Oil leakage.
* Oil leakage from case joint and
chain guide.
* Defective gear case
packing/oil seal.
* Replace with a normal
one.
* Loosened assembly bolts. * Fasten with normal
torque.
* Leakage from oil plug. * Loosened oil plug. * Fasten oil plug.
A clicking
sound is
heard from
the load chain
during lifting.
----------
* Wear of load sheave. * Replace with a normal
one.
* Wear of load chain.
* Rust on load chain.
Electric
shock.
----------
* Accumulation of
moisture/foreign matter
on electrical instruments.
* Remove moisture/foreign
substance.
* Improper grounding. * Secure correct grounding.
Ask your local Kito dealer to repair.
For maintenance, a fuse shown in the table is
attached in the controller cover (the capacity/
name plate side) as a spare.
Fuses for maintenance
Rated
power
source
Fuse capacity [A]×(Nos. per hoist) [pcs.]
Rated road
[kg]
120 [V] 240 [V] 120 [V] 240 [V]
Speed Normal voltage operation Low-voltage operation
60
80
180
Single 10×(2) 5×(2)
10×(2) 5×(2)
Dual
10×(2)
0.1×(1)
5×(2)
0.1×(1)
160
240
480
Single 15×(2) 10×(2)
15×(2) 10×(2)
Dual
15×(2)
0.1×(1)
10×(2)
0.1×(1)
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