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16. INDEXER POSITIONING OPERATION
Display Name
Definition
Cause
Action
(Note 2)
Alarm
detailed
information
A45
Main circuit
device
overheat
Main circuit
device
overheat.
1. Ambient temperature of servo amplifier is over
55 (131°F).
Check environment so
that ambient temperature
is 0 to 55 (32 to
131°F).
2. Used beyond the specifications of close
mounting.
Use within the range of
specifications. (Refer to
section 2.1.)
3. The power supply was turned on and off
continuously by overloaded status.
Check operation pattern.
4. A cooling fan or heat sink is clogged up.
Clean the cooling fan or
heat sink.
5. Servo amplifier fault. (It occurred after the power
supply is turned on.)
Change the servo
amplifier.
A46
Servo motor
overheat
Servo motor
temperature
rise actuated
the thermal
sensor.
1. Ambient temperature of servo motor is over
40 (104 ).
Check environment so
that ambient temperature
is 0 to 40 (32 to
104 ).
1, 2,
10, 20
2. Servo motor is overloaded.
1. Reduce load.
2. Check operation
pattern.
3. Use servo motor that
provides larger output.
3. Thermal sensor in encoder is faulty.
Change the servo motor.
1
A47
Cooling fan
alarm
The cooling fan
of the servo
amplifier
stopped, or its
speed
decreased to
or below the
alarm level.
1. Cooling fan life expiration (Refer to section 2.5.)
Change the cooling fan of
the servo amplifier.
2. Foreign matter caught in the cooling fan stopped
rotation.
Remove the foreign
matter.
3. The servo amplifier failed.
Change the servo
amplifier.
Содержание Melservo-J3 Series MR-J3-B
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