8. TROUBLESHOOTING
8 - 21
Alarm No.45
Name: Main circuit device overheat
Stop method: All axes stop
Alarm description
Inside of the servo amplifier overheats.
Display Name
Cause
Checkpoint
Finding
Action
45.1 Main
circuit
abnormal
temperature
(1) Surrounding
air
temperature is over 55 .
Check that surrounding
air temperature is 55 or
less.
Surrounding air
temperature is over
55 .
Lower the surrounding
air temperature.
Surrounding
air
temperature is 55 or
less.
Check (2).
(2) Specification of close
mounting is not met.
Check the specification of
close mounting.
Specification not met. Use according to the
specification.
Specification met.
Check (3).
(3)
Occurred many times. Review the operation
method.
The power supply was
turned on and off
continuously by
overloaded status.
Check if overloaded
status occurred many
times.
Did not occur.
Check (4).
(4) Foreign matter caught in
cooling fan or heat sink.
Not reproduced.
Clean periodically.
Clean the cooling fan and
heat sink, and check the
reproducibility of the error. Reproduced. Check
(5).
(5) Servo amplifier is faulty.
Replace the servo
amplifier and check the
reproducibility of the error.
Not reproduced.
Use a properly
operating servo
amplifier.
45.5 Board
temperature error
(1) Surrounding
air
temperature is over 55 .
Examine checkpoints described in the alarm display "45.1".
(2) Specification of close
mounting is not met.
(3) The power supply was
turned on and off
continuously by
overloaded status.
(4) Foreign matter caught in
cooling fan or heat sink.
(5) Servo amplifier is faulty.
Alarm No.46
Name: Servo motor overheat
Stop method: Corresponding axis stops
Alarm description
Servo motor overheats abnormally.
Display Name
Cause
Checkpoint
Finding
Action
46.1 Encoder
thermal
sensor error
(1) Surrounding
air
temperature of the servo
motor is over 40 .
Check the surrounding air
temperature of the servo
motor.
Surrounding air
temperature is over
40 .
Lower the surrounding
air temperature of the
servo motor.
Surrounding
air
temperature is 40 or
less.
Check (2).
(2) Servo motor is
overloaded.
Check the effective load
ratio with MR
Configurator.
Effective load ratio is
large.
Reduce the load or
review the operation
method.
Effective load ratio is
small.
Check (3).
(3) Thermal sensor in
encoder is faulty.
Check the motor
temperature at alarm
occurrence.
Motor temperature is
low.
Replace the servo
motor.
Содержание MELSERVO-J3W Series
Страница 17: ...8 MEMO ...
Страница 27: ...1 FUNCTIONS AND CONFIGURATION 1 10 MEMO ...
Страница 87: ...4 STARTUP 4 14 MEMO ...
Страница 117: ...5 PARAMETERS 5 30 MEMO ...
Страница 129: ...6 GENERAL GAIN ADJUSTMENT 6 12 MEMO ...
Страница 185: ...10 CHARACTERISTICS 10 8 MEMO ...
Страница 241: ...11 OPTIONS AND AUXILIARY EQUIPMENT 11 56 MEMO ...
Страница 274: ...13 USING A LINEAR SERVO MOTOR 13 25 1 2 3 4 ...