1-17
Error no. C138n (n indicates the axis number (1 to 8).)
1Error list
C138n
(n indicates the
axis number (1
to 8).)
Error message Removing control axis (servo)
Cause An instruction to remove the axis was issued by the controller.
Measures Cancel the instruction of removing axis.
H1390 Error message Emergency stop (Servo amplifier)
Cause The emergency stop command has been input from the RC
Measures Release the emergency stop state
C1400 Error message regeneration(AUX) frequency over
Cause Regeneration at the limit has occurred frequently
Measures Check the regeneration capacity
H1410 * Error message Instantaneous power interruption
Cause The power was momentarily interrupted
Measures Check power specification, and wiring of power and external emergency stop
C1420 Error message Over-regeneration warning
Cause The regeneration level reached 80％ or more.
Measures Lower the robot's movement speed.
If it comes back, contact your service provider. Regeneration resistance may be disconnected.
C1430 Error message Servo amplifier main circuit OFF
Cause The servo turned ON while the main circuit power was OFF
Measures Turn the main circuit power ON
H144n *
(n indicates the
axis number (1
to 8).)
Error message System error (servo 2)
Cause Trouble occurred in the current processing processor.
Measures Turn the power OFF and ON once. If it comes back, contact your service provider.
H1450 * Error message Instantaneous power interruption
Cause The power was momentarily interrupted at the power supply
Measures Check power specification, and wiring of power and external emergency stop
H1460 * Error message Power supply overcurrent
Cause Overcurrent in the power module in the power supply.
Measures Check the AC power line. If it comes back, contact your service provider.
H1470 * Error message Frequency error
Cause AC frequency is out of range.
Measures Check the AC power line frequency. If it comes back, contact your service provider.
H148n *
(n indicates the
axis number (1
to 8).)
Error message Power supply parameter error
Cause Illegal at the power supply parameter
Measures Turn the power OFF and ON once. If it comes back, contact your service provider.
H1490 * Error message Power supply Power module overheat.
Cause The temperature protection function of the power module operated.
Measures Clean up or replaces the air filters. When it comes back, contact to the dealer.
H1491 Error message Illegal converter thermal servo AMP.
Cause Overheating of servo AMP converter.
Measures Turn the power OFF, wait a while, and then turn ON again.
H150n *
(n indicates the
axis number (1
to 8).)
Error message Motor combination error
Cause The servo motor which does not correspond to addition axis servo amplifier is connected.
Measures Confirm the specifications of servo amplifier and the motor.
H151n *
(n indicates the
axis number (1
to 8).)
Error message SRV-AMP USB comm. error
Cause A communication error was detected between the servo amp and PC
Measures Check the communication cable connection and conductivity
H152n *
(n indicates the
axis number (1
to 8).)
Error message Servo motor output watt over
Cause The output wattage of the servo motor exceeded ratings
Measures Lower the rotation speed of the servo motor
Error No. Error cause and measures
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