– 7 –– 6 –
Don't turn off and on power so 
frequently.
Failure to heed this 
instruction will result in 
fire, personal injury, 
malfunction or damage.
Don't pull leadwires with an 
excessive force.
Failure to heed this 
instruction will cause 
fire, electric shock or 
personal injury.
Failure to heed this 
instruction will cause 
fire, electric shock or 
personal injury.
Don't use the equipment in highly 
intensive electric field.
Don't use the equipment under 
direct sunshine.
Failure to heed 
these instructions 
will cause personal 
injury or fire.
Don't use the equipment in an 
environment where electrostatic 
voltage potentials may be 
produced.
Induced malfunction 
will cause 
malfunction or 
personal injury.
Don't drop or cause topple over 
of something during 
transportation or installation.
Don't use a variable transformer 
or transformer having capacity 
insufficient to feed the load.
Failure to heed this 
instruction will result 
in personal injury or 
malfunction.
Failure to heed this 
instruction will cause 
fire, electric shock or 
malfunction.
Don't use the equipment outside 
the limits described on the 
nameplate and user's manual.
Failure to heed this 
instruction will result in 
electric shock, personal 
injury, fire, malfunction 
or damage.
Never attempt to perform 
modification, dismantle or repair.
Perform installation by taking into 
consideration the mass of the 
body and rated output of the 
product.
Exactly follow the installing 
method and direction specified.
Adjust ambient environmental 
condition of motor and speed 
controller to match the motor 
operating temperature and 
humidity.
Connect the motor 
electromagnetic brake control 
relay in series with a ground-fault 
interrupter, circuit breaker and 
relay so that they turn off the 
circuit upon emergency stop.
Test-run the securely fixed motor 
without loading to verify normal 
operation, and then connect it to 
the mechanical system.
Level of input voltage to the 
speed controller should 
correspond to the motor rated 
voltage.
Operation using a 
wrong model or 
wrong wiring 
connection will result 
in personal injury.
Use the speed controller in 
combination with the specified 
motor. 
Failure to heed this 
instruction
 will result 
in fire.
Failure to heed these 
instructions will result 
in personal injury or 
malfunction.
Operation from a 
voltage outside the 
rated voltage will 
cause electric shock, 
personal injury or fire.
Provide protection device against 
idling of electro-magnetic brake 
or gear head, or grease leakage 
from gear head.
Lack of protection 
will cause personal 
injury, damage, 
pollution or fire.
Lack of connection 
will cause 
malfunction.
Don't lock the motor shaft while 
the motor is running.
Don't clog or put an object into 
the radiating hole of the motor.
cause fire, electric 
shock, or malfunction.
Failure to heed this 
instruction will result 
in fire.
Use overcurrent protection device, 
ground-fault circuit interrupter, 
overtemperature protecting device, 
and emergency stop device.
Before transferring, wiring or 
checking product, disconnect the 
power source for safe isolation.
Securely install the equipment to 
prevent bodily injury or fire in 
case of earthquake.
Provide emergency stop circuit 
externally for instantaneous 
interruption of operation and 
power supply.
Install the unit to a nonflammable 
construction (e.g. metal).
Installation area should be free 
from excessive dust, and from 
splashing water and oil.
Correctly run wirings to the 
tacho-generator.
Turn off power upon power 
interruption or activation of 
overtemperature protecting device.
After an earthquake, first verify 
safety.
Failure to heed 
these requirements 
will result in electric 
shock, personal 
injury or fire.
Incomplete power 
disconnection will 
cause electric shock.
Installation on a 
flammable material 
may cause fire.
Incorrect wiring will 
result in short circuit, 
electric shock, 
personal injury, etc.
Unpredictable 
restarting will cause 
personal injury.
Failure to heed this 
precaution will result 
in electric shock, 
personal injury, fire, 
malfunction or 
damage.
Failure to heed 
these requirements 
will result in electric 
shock, personal 
injury, fire, 
malfunction or 
damage.
Don't move the product by 
holding leadwires or motor shaft.
Don't put the machine into 
unstable operation.
Don't apply excessive shock to 
the motor shaft.
Don't apply excessive shock to 
the product.
Don't get on the product.  Don't 
place heavy object on the 
product.
Once power failure occurs, don't 
come close to the machine that 
will unexpectedly start upon 
recovery of the power.
Provide secure mechanism so 
that the restarting of the machine 
will not cause personal injury.
Failure to heed 
these precautions 
will cause bodily 
injury.
Excessive shock will 
cause failure.
Failure to heed this 
instruction will result in 
electric shock, personal 
injury, fire, malfunction 
or damage.
After correctly connecting 
leadwires, insulate the live parts 
with insulator.
Incorrect wiring will 
result in short circuit, 
electric shock, fire or 
malfunction.
Install the equipment in the 
control board and keep the 
terminal block and protect it from 
inadvertent contact.
Failure to heed this 
precaution will result in 
electric shock, personal 
injury, fire, malfunction 
or damage.
Ground the motor ground to the 
earth.
Floating ground 
circuit will cause 
electric shock.
Caution
Safety Precautions
Please observe safety precautions fully.