KITO ER2 Series User Manual

97
Conditions
Main fault
contents
Check item
Reference
page
Does not stop
normally.
Too long stopping distance Relay failure or melted
contact point
Relay 105
Too long (or short) stopping distance Abrasion of brake lining Brake 102
Does not stop at the upper/lower limit.
Negative phase connection
of motor lead wires
Power Cable 100
Wrong connection Internal wiring 104
Push Button Switch 107
Abnormal
noise
Popping sound
Abrasion of the Load Chain
Abrasion of the Load Sheave
Load Chain 113
Load Sheave, Idle Sheave 115
Sounds strange operating sound
Abrasion or breakage of Gear
Deterioration of Bearing
Gears and Joints 115
Bearing 116
Brake noise
Sounds when applied
(scraping noise)
Dragging Brake 102
Sounds when released Abrasion of brake lining Brake 102
Friction Clutch with
Mechanical Brake
(sounds when lowering)
Scraping noise Use of improper oil other
than the designated oil
Friction Clutch with
Mechanical Brake
110
Sounds at curved rail (friction noise) Mechanical interference
of the rail and the wheel
Traveling motion of the
Trolley
116
Unable to
travel
Motorized Trolley/Manual Trolley Slipping wheel Traveling motion of the
Trolley
116
Inclined rail
Pulling a load in an inclined
direction (floating wheel)
Defective gear engagement
Locking of brake
Motorized Trolley Electric system failure
(refer to the item of
electric chain hoist)
Manual Trolley Defective engagement of
the Hand Wheel and the
Hand Chain
Serpentine
motion
Sounds
strange noise
Motorized Trolley/Manual Trolley Mechanical interference
of the rail and the wheel
Traveling motion of the
Trolley
116
Wrong adjustment of collar
Uneven abrasion of the wheel
Deformation of the wheel
Deterioration of Bearing
Deformation and
abrasion of the rail
Deterioration of the Bearing
Abrasion of the Brake Pad
Hook and those related to Hook Deformation Hook 111
Load Chain and those related to Load Chain
Abrasion, elongation, twist Load Chain 113
Electric shock when touching the body size and Push Button
Switch
Improper grounding,
breakage of earth wire
Electric shock 109
3
Guidance on Troubleshooting Dual Speed VFD Model

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