KITO ER2 Series User Manual

99
Power
Symptom Cause Remedy Main factor Countermeasure
Electric chain hoist
does not operate.
Improper source
voltage
Measure the voltage of each phase at
power receiving terminal.
If the source voltage is improper, check
the power receiving facility.
Faulty power receiving
facility
Check the power
receiving facility
regularly.
Circuit breaker (Distribution panel)
Symptom Cause Remedy Main factor Countermeasure
Electric chain hoist
does not operate.
Breaker was tripped
due to short circuit.
Replace or repair the short-circuited part. Cable breakage,
burning of electrical
parts
Refer to each item
of Power Cable,
Motor, Brake, Internal
Wiring, Transformer
and Electromagnetic
Contactor.
Breaker was tripped
due to insufficient
breaker capacity.
Check the breaker capacity. Replace it if
the capacity is insufficient.
Wrong selection of
breaker capacity
Use the breaker with
proper capacity. (See
P54.)
Breaker was tripped
due to over current.
Check the cause of over current and take
the necessary countermeasure. (Refer
to each item of Power Cable, Motor,
Brake, Internal Wiring, Transformer and
Contactor.)
Over voltage, low
voltage, over load
Refer to each item
of Power Cable,
Motor, Brake, Internal
Wiring, Transformer
and Electromagnetic
Contactor.
Troubleshooting
• Be careful about electric shock when
checking the power.
Careless power check may result in death or
serious injury due to electric shock.
3
Troubleshooting Power / Circuit breaker (Distribution panel)
(to be continued)
Mandatory
DANGER

KITO ER2 Series Specifications

General

Control Voltage	24V
Duty Cycle	40% ED
Protection Class	IP55
Temperature Range	-20°C to +40°C
Type	Electric Chain Hoist
Frequency	50/60 Hz
Motor Insulation	Class F
Brake Type	Electromagnetic
Load Chain Grade	Grade 80
Ambient Temperature	-20°C to +40°C
Power Supply	3-phase
Lift Height	3 to 30 meters
Chain Falls	1 or 2
Voltage	200-240V, 380-480V