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What are the common fault codes of Yaskawa servo drives?
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What are the common fault codes of Yaskawa servo drives?

What are the common fault codes of Yaskawa servo drives?

A.020: Parameter and verification abnormality (data abnormality of internal parameters of servo unit)

A.021: Parameter format abnormality (the data format of the internal parameters of the servo unit is abnormal)

A.022: System sum verification abnormality (data abnormality of internal parameters of servo unit)

A.024: System alarm (an abnormality occurs in the internal program of the servo unit)

A.025: System alarm (an abnormality occurs in the internal program of the servo unit)

A.030: Abnormality in the main circuit detection part

A.040: Abnormal parameter setting (out of setting range)

A.042: Abnormal parameter combination

A.04A: Parameter setting abnormality 2

A.050: Combination error (outside the combinable motor capacity range.)

A.051: Product does not support alerts

A.070: Motor type change detection (connecting a different type of motor than the last connected motor)

A.080: Linear encoder grating ruler pitch setting abnormality

A.0b0: Servo ON command invalid alarm

A.100: Overcurrent detection (power transistor overcurrent or heat sink overheating)

A.101: Motor overcurrent detection (current exceeding the allowable current flows through the motor)

A.300: Regeneration abnormality

A.320: Regeneration overload

A.330: Main circuit power supply wiring error (detected when the main circuit power supply is turned on)

A.400: Overvoltage (the main circuit power supply unit inside the servo unit detects overvoltage)

A.410: Undervoltage (the main circuit power supply unit inside the servo unit detects undervoltage)

A.510: Overspeed (motor speed exceeds the maximum speed)

A.520: Vibration alarm

A.521: Automatic adjustment alarm (vibration detected in custom adjustment, EasyFFT, and adjustment-free functions)

A.550: Abnormal maximum speed setting

A.710: Overload (instantaneous maximum)

A.720: Overload (continuous maximum load)

A.730/A.731: DB overload (excessive power consumption of dynamic brake detected)

A.740: Inrush current limiting resistor overload (main circuit power supply frequency is too high)

A.7A1: Internal temperature abnormality 1 (control circuit board temperature abnormality)

A.7A2: Internal temperature abnormality 2 (power circuit board temperature abnormality)

A.7A3: Internal temperature detection part abnormality (temperature detection circuit abnormality)

A.7Ab: The built-in fan of the servo unit stops

A.810: Encoder backup alarm (detected only when an absolute encoder is connected) (detected on the encoder side)

A.820: Encoder and calibration alarm (detected on the encoder side)

A.830: Encoder battery alarm (the voltage of the absolute encoder battery is below the specified value)

A.840: Encoder data alarm (detected on the encoder side)

A.850: Encoder overspeed (detected when the control power is turned on) (detected on the encoder side)

A.860: Encoder overheating (detected when connecting rotary servo motors, absolute linear encoders and direct drive servo motors. However, the SGMCS type


Except for quantitative encoder specifications. ) (detected on the encoder side)

A.861: Motor overheating

A.890: Encoder scale error

A.891: Encoder module error

A.b33: Current detection fault 3

A.bF0: System alarm 0

A.bF1: System alarm 1

A.bF2: System Alert 2

A.bF3: System Alert 3

A.bF4: System Alert 4

A.bF5: System alarm 5

A.bF6: System Alert 6

A.bF7: System Alert 7

A.bF8: System Alert 8

A.C10: Out-of-control detection (detected when servo is ON)

A.C20: Encoder phase error detection

A.C21: Magnetic pole sensor failure

A.C22: Phase information is inconsistent

A.C50: Magnetic pole detection failed

A.C51: Overtravel detection during magnetic pole detection

A.C52: Magnetic pole detection not completed

A.C53: Magnetic pole detection exceeds the activity range

A.C54: Magnetic pole detection failed 2

A.C80: Encoder clearing abnormality (rotation upper limit value setting abnormality)

A.C90: Encoder communication failure

A.C91: Abnormal acceleration of encoder communication position data

A.C92: Encoder communication timer abnormality

A.CA0: Abnormal encoder parameters

A.Cb0: Encoder feedback verification abnormality

A.CC0: The upper limit of the number of rotations is inconsistent

A.d00: Excessive position deviation (when the servo is on, the position deviation exceeds the excessive position deviation alarm value (Pn520))

A.d01: Excessive position deviation alarm when servo is ON

A.d02: Excessive position deviation alarm caused by speed limit when servo is ON

A.d30: Location data is too large

A.E00: Built-in controller initialization timeout fault (controller initialization timeout fault occurs)

A.E02: Built-in controller synchronization exception 1

A.E03: Built-in controller communication data abnormality (synchronization abnormality in the controller part)

A.E505: Built-in controller synchronization exception 3

A.E51: Built-in controller synchronization failed

A.E61: Built-in controller synchronization error 4

A.EA2: Built-in controller synchronization exception 2

A.Ed1: Built-in controller communication command timeout fault

A.F10: The power line is missing a phase (when the main circuit power supply is ON, the low voltage state of one of the R, S, and T phases lasts for more than 1 second)

A.F50: The motor main circuit cable is disconnected (even if the servo is turned on, the servo motor does not move or is not powered.)

FL-15: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

FL-25: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

FL-35: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

FL-45: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

FL-55: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

FL-6*5: System alarm (reconnect the power of the servo unit. If the alarm still occurs, the servo unit may be faulty. Replace the servo unit)

A.900 Position deviation is too large

A.901 The position deviation is too large when the servo is turned on.

A.910 overload

A.911 Vibration

A.912 Internal temperature warning 1 (abnormal temperature of control circuit board) common to all axes

A.913 Internal temperature warning 2 (abnormal temperature of power circuit board) common to all axes

A.920 regenerative overload, universal for all axes

A.921 DB overload

A.923 The internal fan of the servo unit stops and is common to all axes.

A.930 Absolute encoder battery abnormality

A.942 Speed pulsation compensation information is inconsistent

A.94A built-in controller data setting warning 1 (parameter number)

A.94b built-in controller data setting warning 2 (data range)

A.94C built-in controller data setting warning 3 (calculation error)

A.94d built-in controller data setting warning 4 (parameter size)

A.94E built-in controller data setting warning 5 (latch mode abnormality)

A.95A built-in controller command warning 1 (outside command conditions)

A.95b built-in controller command warning 2 (command not supported)

A.95d built-in controller command warning 4 (command interference)

A.95E built-in controller command warning 5 (subcommands cannot be used)

A.95F built-in controller command warning 6 (undefined command)

A.971 undervoltage, universal for all axes

A.97A built-in controller command warning 7 (layer abnormality)

A.97b data out-of-range data clamping

A.9A0 overtravel

A.9b0 preventive maintenance warning common to all axes



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