Troubleshooting ASDA-B2-F9-2 September, 201599.1 Alarm of Servo DriveDisplay Alarm Name Alarm Description CorrespondingDOServoStatusAL001 Over currentThe current of the main circuit is 1.5 timeshigher than the instantaneous current ofthe motor.ALM OFFAL002 Over voltage The voltage of the main circuit is higherthan the standard voltage. ALM OFFAL003 Under voltage The voltage of the main circuit is lowerthan the standard voltage. WARN OFFAL004 Motor combination error The drive corresponds to the wrong motor. ALM OFFAL005 Regeneration error Regeneration error. ALM OFFAL006 Overload The motor and the drive is overload. ALM OFFAL007 Over speed Motor speed exceeds the normal speedrange. ALM OFFAL009 Excessive deviation ofposition commandThe deviation of position commandexceeds the allowable setting value. ALM OFFAL011 Encoder error The encoder produces abnormal pulse. ALM OFFAL012 Adjustment errorWhile executing electrical adjustment, theadjusted value exceeds the allowablevalue.ALM OFFAL013 Emergency Stop The emergency stop button is pressed. WARN OFFAL014 Reverse limit error Activate the reverse limit switch. WARN OFFAL015 Forward limit error Activate the forward limit switch. WARN ONAL016 IGBT overheat The temperature of IGBT is too high. ALM OFFAL017 Abnormal EEPROM It is in error when DSP accessesEEPROM. ALM OFFAL018 Abnormal signal output The encoder output exceeds the ratedoutput frequency. ALM OFFAL019 Serial communicationerrorRS-232 communication is in error. ALM OFFAL020 Serial communicationtimeoutRS-232 communication timeout. WARN ONAL022Main circuit power lackphaseThe RST power cable of main circuitpower is loose or no power has beenapplied.WARN OFFAL023 Early warning foroverloadEarly warning for overload. WARN ONAL024 Encoder initial magneticfield errorThe magnetic field of the encoder U, V, Wsignal is in error. ALM OFFAL025 The internal of theencoder is in errorThe internal memory of the encoder andthe internal counter are in error. ALM OFFAL026 Unreliable internal dataof the encoderThe error of the internal data has beendetected for three times continuously. ALM OFFAL027 The internal of the motoris in errorThe internal reset of the encoder is inerror. ALM OFFAL028Encoder voltage error orthe internal of theencoder is in errorCharging circuit of the servo drive is notremoved and the battery voltage is higherthan the specification (>3.8 V) or theencoder signal is in error.ALM OFFAL029 Gray code error Absolute position is in error. ALM OFFAL030 Motor crash errorWhen the motor crashes the equipment, itreaches the torque of P1-57 and exceedsthe time set by P1-58.ALM OFFAL031 Incorrect wiring of motorpower cableIncorrect wiring of motor power cable (U,V, W, GND). ALM OFFAL034 Internal communicationof the encoder is in error1. Internal communication error inabsolute encoder.2. Internal error of other types of encoder.ALM OFFAL035 Encoder temperatureexceeds the protectiveEncoder temperature exceeds theprotective range. ALM OFF