Alarm Display:
When an abnormality occurs, an alarm code is displayed on the display unit. When an alarm is generated, the dot in the bottom right corner flickers. If the power is turned on for the first time, alarm AL26 (parameter setting error) will occur. Set the user parameters (UP01 and UP02) correctly, turn off the power, ensure the display turns off, and then turn it on again.

10.2 Alarm Code Table and Troubleshooting:
When an alarm occurs, identify the alarm code and the cause, and take the necessary corrective actions.

To reset the alarm code:

    While the alarm code is displayed, press the SET button on the display/operation unit or send a reset signal. This will clear the alarm code and the flickering dot.
    If multiple alarms occur, pressing the SET button clears each alarm one by one. If the reset signal is used, all alarms will be cleared at once.

For the option without HMI, refer to section 4.2 for specific settings.

If the power cable is incorrectly connected, the LEDs will not light up:
Check the power supply connections and connect them properly. If the main power voltage is low or if an instantaneous power failure occurs, adjust the power supply and take measures against power interruptions.

If the servo does not lock:
Ensure that the PON and RUN signals are properly connected. Clear any generated alarms.

If the motor does not start:
Check the forward/reverse rotation signals or the rotation enable signal. Verify the connections and correct them as needed. Ensure that special sequences are set correctly.

If the motor drive line is broken:
Check the motor drive cables for short circuits or incorrect connections. Fix any issues found.

If the motor has burnt out:
Measure the insulation resistance and replace the motor if necessary.

If the motor command signals are not received:
Check the connections for the speed, current, or pulse command signals and correct them.

If the motor rotates in the wrong direction:
Check the analog command polarity and correct it. Also, check the encoder or resolver connections.

If there is looseness in the motor system:
Check the mechanical system connections and make adjustments.

If the motor does not stop:
Check the acceleration/deceleration time settings and shorten the time if necessary. If the load is too heavy, select an appropriate motor capacity.

If the motor stops suddenly:
Check if the motor type is set correctly and ensure the cable connections are proper.

AL01 - Overcurrent (OC): Read more >>
AL02 - Overvoltage (OV): Read more >>
AL03 - PN Voltage Drop (PNLV): Read more >>
AL04 - Main Power Input Error (ACINF): Read more >>
AL05 - Charging Resistor Overheat (CROH): Read more >>
AL06 - Resolver Cable Breakage (RELV): Read more >>
AL07 - Power Status Error (POWFAIL): Read more >>
AL08 - Servo Amplifier Overheat (SOH): Read more >>
AL09 - Reverse-Current Absorption Resistor Overheat (RGOH): Read more >>
AL10 - Reverse-Current Absorption Error (RGST): Read more >>
AL13 - Resolver ABS Battery Voltage Drop (BLV): Read more >>
AL14 - Brake Fault (BERR): Read more >>
AL15 - Overcurrent Detection (OCS): Read more >>
AL16 - Speed Amplifier Saturation (VAS): Read more >>
AL17 - Motor Overload (MOL): Read more >>
AL18 - Instant Thermal Overload (POL): Read more >>
AL19 - Resolver Phase Error (RESERR): Read more >>
AL20 - Overspeed (OSPD): Read more >>
AL21 - Deviation Counter Over (FULL): Read more >>
AL22 - Resolver ABS Phase Error (ABSE): Read more >>
AL23 - Resolver ABS Breakage (ACN): Read more >>
AL24 - ABS Battery Alarm (BAL): Read more >>
AL25 - Option Alarm (OPALM): Read more >>
AL26 - Parameter Setting Error (CERR): Read more >>
AL27 - Resolver ABS Error (AEERR): Read more >>
AL28 - Link Error (LINKERR): Read more >>
AL29 - Command Value Over (CONOV): Read more >>
AL30 - Present Value Over (ACT.OV): Read more >>
AL32 - Home Point No-Memory Error (MZE): Read more >>
AL33 - ABS Home Point Invalid (CLD): Read more >>
AL34 - Positive Soft Limit Over (SOTP): Read more >>
AL35 - Negative Soft Limit Over (SOTM): Read more >>
AL36 - ABS Battery Cable Breakage (ABT): Read more >>
AL38 - Overrun (OVTR): Read more >>
AL40 - Encoder Breakage (EREE): Read more >>
AL41 - Encoder Communication Error (ETER): Read more >>
AL42 - Encoder Backup Error (EBACK): Read more >>
AL43 - Encoder Checksum Error (ECKER): Read more >>
AL44 - Encoder Battery Alarm (EBAL): Read more >>
AL45 - Encoder ABS Phase Error (EABSE): Read more >>
AL46 - Encoder Overspeed (EOSPD): Read more >>
AL47 - Encoder Interrupt Error (EWER): Read more >>
AL48 - Encoder Initialization Error (EINIT): Read more >>
AL49 - Sensor Phase Error (PHSERR): Read more >>