Err01 | Over-current at constant speed | The output current exceeds the over-current value while the frequency inverter is running at a constant speed | l Check whether the output circuit of the frequency inverter has short circuit; l Check whether the input voltage is relatively low; l Check whether the load has mutation; l Conduct parameter identification or improve low frequency torque compensation; l Check whether the rated power of the motor or frequency inverter is large enough; |
Err02 | Over-current at acceleration | When the frequency inverter accelerates, output current exceeds over-current | lCheck whether the motor is and its lines are short circuit, grounded or too long; l Check whether the input voltage is relatively low; l Delay the acceleration time l Conduct parameter identification or improve low frequency torque compensation or adjust V/F Curve; l Check whether the load has mutation; l Check whether it is to select speed tracking or start after the motor stops stably; l Check whether the rated power of the motor or frequency inverter is large enough; |
Err03 | Over-current at deceleration | When the frequency inverter decelerates, output current exceeds over-current | l Check whether the motor is and its lines are short circuit, grounded or too long; l Conduct parameter identification l Delay the deceleration time; l Check whether the input voltage is relatively low; l Check whether the load has mutation; l Install additional brake unit and brake resistance; |
Err04 | Over-voltage at constant speed | When the frequency inverter runs at constant speed, DC voltage of the main circuit exceeds this set value. Detected DC over-voltage value: Level T2 : 400V | l Check whether the input voltage is too high; l Check whether the bus voltage display is normal; l Check whether the motor is dragged to run by external force in the running process; |
Err05 | Over-voltage at acceleration | When the frequency inverter runs at constant speed, DC voltage of the main circuit exceeds this set value. The detected over-voltage value is the same as above. | l Check whether the input voltage is too high; l Check whether the bus voltage display is normal; l Delay the deceleration time; l Check whether the motor is dragged to run by external force in the process of deceleration; l Install additional brake unit and brake resistance |
Err06 | Over-voltage at deceleration | When the frequency inverter runs at constant speed, DC voltage of the main circuit exceeds this set value. The detected over-voltage value is the same as above. | l Check whether the input voltage is too high; l Check whether the bus voltage display is normal; l Delay the deceleration time; l Check whether the motor is dragged to run by external force in the process of deceleration; l Install additional brake unit and brake resistance |
Err07 | Module fault | External fault has triggered automatic module protection | l Check the coil resistance of the motor; l Check the isolation of the motor; l Damage by inverse module breakdown; |
Err08 | Under-voltage | Under-voltage in the main circuit, check the electric level: Detected DC under-voltage value: Level T2 : 190V | l Check the lines of supply power contact well; l Check whether the incoming voltage is within regulated scope; l Check whether there is momentary interruption; l Check whether the display of the bus voltage is normal; l Check whether the setting bridge and charge resistance are normal; |
Err09 | Frequency inverter overloaded | Motor and current exceed the rated load | l Check whether the motor is in locked-rotor conditions or the load to motor needs to be reduced; l Replace the frequency inverter with larger power; |
Err10 | Motor overload | Motor and current exceed the rated current | l Check the protection parameter P1.0.25 Reference of the motor is proper; l Check whether the motor is in locked-rotor conditions or the load to motor needs to be reduced; l Correctly preset the rated current of the motor; l Replace the frequency inverter with larger power; |
Err11 | Missing phase | Error of missing phase or unbalanced three phases | l Check the protection parameter P1.0.25 Reference of the motor is proper; l Check whether the motor is in locked-rotor conditions or the load to motor needs to be reduced; l Correctly preset the rated current of the motor; l Replace the frequency inverter with larger power; |
Err12 | Output Default Failure | Output Default Failure or 3-phase Imbalance Fault | l Check whether the output circuit has output default failure or 3-phase imbalance fault l Check whether the wiring terminals are loose l Seek technical support |
Err13 | External Fault | Fault caused by External Control Circuits | l Check the signal input circuit of external fault l Reset Run |
Err14 | Abnormal Communication | Abnormity for communication of frequency inverter and other equipments | l Check external communication lines l The upper computer doesn’t work normally l The setting for communication parameter is not correct l The communication protocol is inconsistent |
Err15 | Frequency inverter Overheat | Radiator temperature ≥ oh Detection Value (about 80℃, from temperature switch) | l Check the running state of the fan and ventilation state l Check whether the surrounding temperature is too high and the cooling measures are required to be taken; l Check whether the thermistor or temperature switch is damaged; l Clear the dirt on the exterior of radiator and air intake; |
Err16 | Hardware Fault of Frequency inverter | In case of over-current or over-voltage existed in frequency inverter, it is judged as hardware fault | l Handle as over-current and over-voltage fault |
Err17 | Motor-to-ground short circuit | Motor-to-ground short circuit | l Check whether the output line or motor of the frequency inverter has ground short circuit |
Err18 | Motor Identification Error | When conducting the parameter identification, the fault occurs in motor | l Check whether the motor parameter is consistent with the nameplate of the motor l Whether the frequency inverter and main cable of the motor are connected well; |
Err19 | Motor Off-load | Refer to the value of running current less than off-load current P6.1.19 and duration of P6.1.20 | l Check whether the load separates; l Check whether the value set by Parameter P6.1.19 and P6.1.20 |
Err20 | PID Feedback Loss | Refer to the value of PID feedback value less than value of P4.0.18 and duration of P4.0.19 | l Check whether PID Feedback Signal is normal l Check whether the value set by Parameter P4.0.18 and P4.0.19 meets actual running conditions; |
Err21 | User-Defined Fault 1 | Fault 1 Signal given by the users through multi-functional terminals or PLC Programming Function | l Check whether the User-Defined Fault 1 is removed and then run after reset; |
Err22 | User-Defined Fault 2 | Fault 2 Signal given by the users through multi-functional terminals or PLC Programming Function | l Check whether the User-Defined Fault 2 is removed and then run after reset; |
Err23 | Accumulative Power-on Time Arrival | Refer to the time given by accumulative power-on time arrival P5.1.01 of the frequency inverter | l Use the parameter initialization function to clear the record information |
Err24 | Accumulative Running Time Arrival | Refer to the time given by accumulative power-on time arrival P5.1.00 of the frequency inverter | l Use the parameter initialization function to clear the record information |
Err25 | Encoder Fault | The frequency inverter is unable to identify the data of the encoder | l Check whether the type of the encoder matches l Check whether the wiring connection of the encoder is correct l Check whether the encoder or PG card is damaged |
Err26 | Parameter Read-Write Abnormity | Damage of EEPROM Chip | l Change main control panel |
Err27 | Motor Overheat | Detection on excessive temperature of the motor | l Check whether the temperature of the motor is too high; l Check whether the temperature sensor is damaged or its wirings are loose; |
Err28 | Larger Speed Deviation | Refer to the value of speed deviation larger than P6.1.23 and duration of P6.1.24 | l Check whether the parameters of the encoder is set correctly; l Check whether P6.123 and P6.124 are set rationally; l Check whether the motor parameter identification has been conducted; |
Err29 | Motor Over-speed | Refer to the value of motor speed over P6.1.21 and duration of P6.1.22 | l Check whether the parameters of the encoder is set correctly; l Check whether P6.1.21 and P6.1.22 are set rationally; l Check whether the motor parameter identification has been conducted; |
Err30 | Initial Position Error | Large deviation between motor parameters and actual parameters | l Check whether the motor parameters are correct, especially for rated current of the motor; |
Err31 | Current Detection Fault | Circuit fault after current detection | l Check whether the Hall device has defaults; l Check whether the circuit has fault after detection of the driver board l Check whether the driver board has fault |
Err32 | Contactor | Abnormal power supply of driver board caused by the fault of the contactor | l Check whether the contactor is normal; l Check whether the power supply of the driver board is normal; |
Err33 | Abnormity of Current Detection | Circuit fault after current detection leads to abnormal current detection value | l Check whether the Hall device has defaults; l Check whether the circuit has fault after detection of the driver board l Check whether the driver board has fault |
Err34 | Fast Current-limiting Timeout | The running current of the frequency inverter continues to be larger, which exceeds allowable current–limit time | l Check whether the load is too large or is stalled; l Check whether the size of the frequency inverter is too small; |
Err35 | Motor Switch at Running | Conduct motor switch in the running process of the frequency inverter | l Conduct the switch operation of the motor after shutdown of the frequency inverter |
Err36 | Power Fault | External 24V power supply is short circuit or the load of External 24V power supply is too large | l Check whether external 24V power supply is short circuit l Reduce the load of external 24V power supply |
Err38 | Output short circuit | 3-phase output inter-phase short circui | l Check insulation of motor wire and motor |
Err40 | Buffer Resistance | The bus voltage fluctuates strongly | l Check whether the contactor is normal l Check the fluctuations of incoming voltage |