| Error Code | Error Description | Failure Cause | Methods | Grade |
| Err02 | Overcurrent | Main circuit output grounded or short-circuited. Check if motor parameters have been tuned. Load is too large. Encoder signal is incorrect. Verify if the UPS running feedback signal is normal | Check the output side of the controller to see if the contactor is operating normally. Inspect the power lines for surface damage and the possibility of a ground short circuit. Ensure the connections are secure. Check the motor-side terminal for copper wire grounding. Inspect the motor internally for short circuits or grounding issues. Check if the star contactor is causing a controller output short circuit. Verify that the motor parameters match those on the nameplate. Re-conduct motor parameter self-learning. Check if the brake was continuously released before the fault occurred. Inspect for any mechanical jamming. Verify the balance coefficient. Ensure the encoder-related wiring is correct and reliable. For asynchronous motors, try open-loop operation and compare the current to determine if the encoder is functioning properly. Check if the encoder’s pulses per revolution setting is correct. Ensure the encoder signals are not interfered with. Check if the encoder wiring is independently routed through conduits and if the routing distance is too long. Verify if the shielding layer is grounded at one end only. Ensure the encoder installation is reliable, and the rotating shaft is securely connected to the motor shaft, running smoothly at high speeds. In non-UPS operating conditions, check if the UPS feedback is effective. (Err02) Check if the acceleration and deceleration rates are too high. | 5A |
| Err03 | Deceleration Overcurrent | Main circuit output grounding or short circuit Whether the motor has been parameter-tuned Load too large Deceleration curve too steep Incorrect encoder signal | 5A | |
| Err04 | Constant-speed Overcurrent | The main circuit output is grounded or short-circuited; the motor has undergone parameter tuning; the load is too large; the rotary encoder is subject to significant interference. | 5A | |
| Err05 | Overcurrent | Input voltage too high; Elevator counterweight serious; Brake resistor selection too large, or brake unit abnormal; Acceleration curve too steep; | Adjust the input voltage; check if the bus voltage is normal and if it rises too quickly during operation; check the balance coefficient; choose the appropriate braking resistor; refer to the braking resistor recommended parameter table in Chapter 3 to ensure the resistance value is not too high; check if the braking resistor wiring is damaged, if there is any grounding phenomenon, and if the wiring is secure. | 5A |
| Err06 | Deceleration Overcurrent | The input voltage is too high; the braking resistor is selected too large, or the braking unit is faulty; the deceleration curve is too steep. | 5A | |
| Err07 | Constant-speed Overcurrent | The input voltage is too high; the brake resistor is selected too large, or the brake unit is malfunctioning. | 5A | |
| Err08 | Power-on buffer relay does not engage. Maintenance reminder. | External power supply instability; hardware faults. The elevator has not been powered off for maintenance within the specified time. | Confirm that the external power supply is stable and check that all power input terminals are securely connected; avoid powering the machine on again before it has been completely powered off; if hardware damage occurs, please contact the distributor or manufacturer. Perform maintenance or disable the F9-13 maintenance interval detection function. | 5A |
| Err09 | 欠电压故障 | Instantaneous power outage; input voltage too low; drive control board malfunction. | Eliminate external power supply issues: Ensure there are no power interruptions in operation; check if all power input lines are securely connected to the terminals; contact the dealer or manufacturer if necessary. | 5A |
| Err10 | Drive Overload | Braking circuit malfunction; excessive load; encoder feedback signal status; motor parameters accuracy; check motor power lines. | Check the brake circuit and power supply: Reduce the load; verify the encoder feedback signal and settings; check if the initial angle of the synchronous motor encoder is correct; inspect the motor parameters and adjust them; check the motor-related power lines. (Refer to Err02 troubleshooting method) | 4A |
| Err11 | Motor Overload | Improper FC-02 setting; abnormal holding circuit; excessive load. | Adjust the parameters to keep FC-02 as the default value; refer to Err10. | 3A |
| Err12 | input side phase loss | Input power supply is asymmetrical; drive control board is abnormal. | Check if the three-phase power on the input side is balanced and if the power supply voltage is normal; adjust the input power supply. Please contact the dealer or manufacturer. | 4A |
| Err13 | Output Side Missing Phase | Loose connection in the main circuit output;Motor damage | Check the wiring; inspect whether the output side contactor is functioning properly; eliminate motor faults. | 4A |
| Err14 | Module Overheating | High ambient temperature; Fan malfunction Blocked air duct | Lower the ambient temperature; clean the air duct; replace the fan; check if the installation space for the controller meets the requirements specified in Chapter 3. | 5A |
| Err15 | Output Side Abnormalities | Short circuit in braking (resistor) output side Operating contactor malfunction | ||
| Err16 | Current Control Faults | 1. Excessive deviation in excitation current; 2. Excessive deviation in torque current; 3. Exceeding torque limit time for too long | Input Voltage Low: Check the controller and motor connections. Inspect the operation contactor. Encoder Circuit Check: Inspect the encoder loop; check if the output circuit breaker is tripped; the current loop parameters may be too low; zero position might be incorrect, perform re-learning of the angle; load may be too high. | 5A |
| Err17 | Encoder reference signal abnormality | During tuning, the Z signal arrives with a significant deviation from the absolute position. During tuning, the UVW signals are abnormal. | Check if the encoder is functioning properly. Check if the encoder wiring is secure and normal. Check if the PG card wiring is correct. Check if the grounding of the control cabinet and main unit is good. | 5A |
| Err18 | Current Detection Fault | Drive control board abnormal | Please contact the agent or manufacturer. | 5A |
| Err19 Err19 | Motor Tuning Failure | 1: Failure of stator resistance recognition 5, 6: Failure of pole position recognition 8: Retention 11: Failure of angle saving for angle-free learning of synchronous machine 101, 102: Motor tuning timeout | Input motor parameters correctly; Check the motor leads and whether the output-side contactor is missing a phase; Check the connections of the rotary encoder and confirm that the number of pulses per revolution is set correctly. When tuning without load, check whether the brake is released. When tuning a synchronous machine with load, ensure that the tuning is completed before releasing the maintenance operation button. | 5A |
| Err20 | Speed Feedback Error Failure | Loss of AB signal during identification process Retain Motor phase sequence reversed Identification process cannot detect Z signal SIN_COS encoder CD line disconnection UVW encoder UVW line disconnection Absolute position angle and cumulative angle deviation greater than 70 degrees Overspeed or excessive speed deviation SIN_COS encoder AB signal interference SIN_COS encoder CD signal interference Torque limit, speed measurement is 0 Loss of AB signal during operation Loss of Z signal during operation AB analog signal disconnection during low-speed operation During tuning, CD signal error or severe interference with Z signa | Check if the Synchronizer F1-00/12/25 is set correctly. Verify the encoder signal connections. Inspect for any mechanical jamming during operation. Ensure that the brake is released during operation. Check the grounding and address any interference issues. For angle anomalies, perform a re-learning procedure on the main unit. Adjust the speed loop parameters. Check if the brake is released. If the motor fails to start during the slip test, activate the slip function on F3-24. | 5A |
| Err21 | Maximum frequency less than rated frequency | Check F0-06 and F1-04 for correctness | ||
| Err22 | Leveling signal abnormal | 101: The leveling signal is valid during the floor switching process. 102: The falling edge of the leveling signal is not detected from the elevator start to the floor switching process. 103: The deviation of the leveling out position is too large when the elevator is in automatic operation; | 101, 102: Please check whether the leveling and door zone sensors are working properly; check the verticality and depth of the leveling insert installation; check the leveling signal input point of the main control board; 103: Check whether there is any slippage of the wire rope. | 1A |
| Err23 | Motor short circuit fault to ground | motor-side ground fault | ||
| Err24 | RTC Clock Failure | 101: Control board clock information abnormal. | 101: Replace clock battery; replace main control board. | 3B |
| Err25 | Stored Data Exception | 101, 102, 103: Abnormalities in the stored data of the main control board. | 101, 102, 103: Please contact the agent or manufacturer. | 4A |
| Err26 | earthquake signal | 101: Seismic signal is valid and greater than 2S. | 101: Check whether the seismic input signal is consistent with the parameter setting of the main control board (normally open, normally closed). | 3B |
| Err29 | Seal Star Contactor Feedback Abnormal | 101, 102: Synchronized machine sealing star contactor feedback abnormal. | 101, 102: Check whether the feedback input signal status of the door seal contactor is correct (normally open or normally closed); check if the contactor and the corresponding feedback contacts are operating normally; check the circuit of the door seal contactor coil | 5A |
| Err30 | Abnormal elevator position. | 101, 102: In fast run mode or leveling run mode, if the operating time is greater than the minimum value of F9-02 and (FA-38+10), but the leveling signal remains unchanged. | 101, 102: Check whether the flat-level signal line connections are reliable, whether there is a possibility of grounding, or if there is a short circuit with other signals; check if the floor spacing is too large, causing excessive return to the flat level time; check the encoder circuit for any signal loss | 4A |
| Err31 | storage chip fault | Replace motherboard | ||
| Err33 | Abnormal elevator speed | 101: Fast train running overspeed 102: Maintenance or well-ditch self-learning running overspeed 103: Free-running vehicle overspeed 104: Emergency running overspeed 105: Bit8 emergency running time protection of F6-45 is activated; running time exceeds 50 seconds reports timeout fault. 106: Control board test deviation too large | 101: Confirm the correct use of the rotary encoder; check the motor nameplate parameter settings; re-tune the motor. 102: Try reducing the repair speed or re-tune the motor; malfunction of the repair signal during fast operation. 103: Check if the star function is effective. 104, 105: Check if the emergency power supply capacity matches; check if the emergency operation speed setting is correct. 106: Check the encoder wiring; check if the communication quality between the control board and the lower-layer SPI is good. | 5A |
| Err34 | logical failure | Control board redundancy check, logic exception | Please contact the agent or manufacturer | 5A |
| Err35 | anomaly in shaft self-learning data | 101: During self-learning startup, the current floor is not the lowest floor or the forced deceleration at the next level is ineffective. 102: During the shaft self-learning process, the maintenance switch is off. 103: Power-on check indicates that shaft self-learning has not been performed. 104: In distance control mode, the check indicates that shaft self-learning has not been performed during startup. 105: The elevator operation direction does not match the pulse change direction. 106, 107, 109: Abnormal pulse length detected by the upper and lower leveling sensors. 108, 110: Self-learning leveling signal has not changed for over 45 seconds. 111, 115: Stored floor height is less than 50 cm. 112: After self-learning, the current floor is not the highest floor. 113, 114: Pulse verification exception. | 101: Check if the forced deceleration at the next level is effective; verify if the current floor F4-01 is the lowest floor. 102: Check if the elevator is in maintenance mode. 103, 104: Shaft self-learning needs to be performed. 105: Confirm if the elevator’s operation direction changes match the pulse changes of F4-03: Elevator going up should increase F4-03; elevator going down should decrease F4-03. If not consistent, adjust it to match using F2-10. 106, 107, 109: Incorrect settings for the leveling sensor’s normally open/closed; sensor signal is fluctuating. Check if the sensor plate is properly installed and if there is strong electrical interference. 108, 110: If the running time exceeds the protection time (F9-02) and the leveling signal is still not received, address the issue. 111, 115: If there are floors with a height less than 50 cm, enable the ultra-short floor function. If not, check the sensor plate installation for that floor or check the sensor itself. 112: The maximum floor setting (F6-00) is too low and does not match the actual condition. 113, 114: Check if the leveling sensor signal is normal and re-perform the shaft self-learning. | 4C |
| Err36 | “Running contactor feedback abnormal” | 101: The running contactor is not outputting, but the running contactor feedback is valid. 102: The running contactor is outputting, but the running contactor feedback is invalid. 103: No load on the asynchronous output terminal. 104: Inconsistent status of the running contactor feedback check points. 105: The running contactor feedback is valid before the re-leveling start. | 101, 102, 104, 105: Check if the contactor feedback contacts are functioning properly; confirm the feedback contact signal characteristics (normally open, normally closed). 103: Check if the output lines U, V, W of the integrated elevator controller are connected properly; check if the running contactor coil control circuit is functioning correctly. | 5A |
| Err37 | Brake contactor feedback abnormal | 101: The brake contactor output is inconsistent with the brake feedback status. 102: The status of the selected brake contactor feedback points is inconsistent. 103: The brake contactor output is inconsistent with the feedback status of brake detection switch 1. 104: The status of the selected brake detection switch 1 feedback point is inconsistent. 105: Before starting the operation and releasing the brake, the brake contactor feedback is valid. 106: The brake contactor output is inconsistent with the feedback status of brake detection switch 2. 107: The status of the selected brake detection switch 2 feedback point is inconsistent. 108: The brake contactor output is inconsistent with the feedback status of brake line 1 on the IO expansion board. 109: The brake contactor output is inconsistent with the feedback status of brake line 2 on the IO expansion board. | 101-104, 106-108: Check if the brake coil and feedback contacts are correct; confirm the signal characteristics of the feedback contacts (normally open, normally closed); check if the brake contactor coil control circuit is functioning properly. 105: Check the brake contactor feedback signal. | 5A |
| Err38 | Rotary encoder signal abnormal | 101: Pulse signal F4-03 remains unchanged for a time exceeding the value set in F1-13. 102: Motor descending, F4-03 increases. 103: Motor ascending, F4-03 decreases. 104: In distance control mode, open-loop operation is set. 105: Elevator descending, upper limit switch activated. 106: Elevator ascending, lower limit switch activated. 107: Elevator descending, speed change at the upper speed. Elevator ascending, speed change at the lower speed. | 101: Confirm whether the rotary encoder is used correctly; confirm whether the brake is functioning normally. 102, 103: Check if system grounding and signal grounding are reliable; check if the wiring between the encoder and the PG card is correct. Modify the value of F2-10. 104: In distance control mode, open-loop operation is set (modify F0-00=1). 105, 106: Check the upper and lower limit switches. 107: Check the forced deceleration at both the upper and lower limits. | 5A |
| Err39 | Motor overheating fault | 101: Motor overheat relay input is active and persists for a certain period | 101: Check if the thermal protection relay base is functioning properly. Check if the motor is used correctly and if it is damaged; improve the motor’s cooling conditions. | 3A |
| Err40 | Elevator operation time-out | Elevator operation time-out | Please check the parameters, or contact the agent or manufacturer to solve the problem; | 4B |
| Err41 | Safety circuit disconnected | 101: Safety circuit signal disconnected | 101: Check the status of each switch in the safety circuit; verify if the external power supply is correct; check if the safety circuit contactor operates correctly; inspect the characteristics of the safety feedback contact signals (normally open, normally closed). | 5A |
| Err42 | Door lock disconnected during operation | 101: Invalid door lock feedback during elevator operation | 101: Check if the hall and car door locks are connected properly; verify if the door lock contactor operates normally; inspect the characteristics of the door lock contactor feedback signals (normally open, normally closed); check if the external power supply is normal. | 5A |
| Err43 | Abnormal upper limit signal | 101: During the upward operation of the elevator, the upper limit signal is triggered | 101: Check the characteristics of the upper limit signal (normally open, normally closed); check whether the upper limit switch is making proper contact; if the limit switch is installed too low, it may also be triggered during normal operation at the end station. | 4C |
| Err44 | Lower Limit Signal Abnormal | 101: During the downward operation of the elevator, the lower limit signal is triggered | 101: Check the characteristics of the lower limit signal (normally open, normally closed); check whether the lower limit switch is making proper contact; if the limit switch is installed too high, it may also be triggered during normal operation at the end station. | 4C |
| Err45 | Forced Deceleration Switch Abnormal | 101: During shaft self-learning, the downward forced deceleration distance is insufficient. 102: During shaft self-learning, the upward forced deceleration distance is insufficient. 103: During normal operation, the forced deceleration position is abnormal. 104, 105: When first-level forced deceleration is active, the speed exceeds the elevator’s maximum operating speed. 106: During shaft self-learning, the signals for the upward and downward second-level forced deceleration are abnormal. 107: During shaft self-learning, the signals for the upward and downward third-level forced deceleration are abnormal. | 101-103: Check the contact of the first-level deceleration switches (up and down); confirm the characteristics of the first-level deceleration signals (normally open, normally closed). 104, 105: Ensure that the installation distance for forced deceleration meets the deceleration requirements for this elevator speed. 106: Check the contact of the second-level deceleration switches (up and down); confirm the characteristics of the second-level deceleration signals (normally open, normally closed). 107: Check the contact of the third-level deceleration switches (up and down); confirm the characteristics of the third-level deceleration signals (normally open, normally closed). | 4B |
| Err46 | anomaly in the releveling process | “101: The leveling operation is ineffective; leveling signal is invalid.” “102: The leveling speed exceeds 0.1 m/s.” “103: During fast car operation startup, leveling status is valid and there is door seal feedback.” “104: During leveling operation, no door seal feedback or lock signal is received 2 seconds after the door seal output. | 101: Check if the leveling signal is normal; 102: Confirm whether the rotary encoder is used correctly; 103, 104: Check if the leveling sensor signal is normal; Check the door closure feedback input points (normally open, normally closed); Check the SCB-A board relays and wiring; | 2B |
| Err47 | door seal contactor anomaly | 101: During leveling or early door opening operation, if the door closure contactor output is continuous for 2 seconds but the door closure feedback is invalid or the door lock is disconnected; 102: During leveling or early door opening operation, if the door closure contactor has no output but the door closure feedback is valid for a continuous 2 seconds; 103: During leveling or early door opening operation, if the door closure contactor output time is greater than 15 seconds; 106: During leveling operation, if the door closure feedback is detected as valid before starting | 101, 102, 106: Check the door closure contactor feedback input points (normally open, normally closed); Check if the door closure contactor operates normally; 103: Check if the leveling and re-leveling signals are normal; Check if the re-leveling speed setting is too low | 2B |
| Err48 | Door opening failure | 101: The number of consecutive door openings not reaching the position exceeds the Fb-09 setting. | 101: Check if the door machine system is operating normally; Check if the car top control board is functioning correctly; Check if the door open position signal is accurate. | 5A |
| Err49 | Elevator door closing failure | 101: The number of consecutive door closures not reaching the position exceeds the Fb-09 setting. | 101: Check if the door machine system is operating normally; Check if the car top control board is functioning correctly; Check if the door lock operation is normal. | 5A |
| Err50 | Continuous loss of leveling signals | 101: 3 consecutive detections of leveling signal sticking 102: 3 consecutive detections of leveling signal loss | a. Check whether there is any abnormality in the leveling and door sensors b. Check the insertion depth and verticality of the leveling plate c. Check the leveling signal input point of the main board d. Check whether there is any slippage of the wire rope | |
| Err51 | CAN communication failure | 101: CAN communication with the roof board of the car does not receive correct data for a certain period of time. | 101: Check the communication cable connection; check the power supply of the control board on the roof of the car; check whether the 24V power supply of the integrated controller is normal; check whether there is strong electric interference with communication. | 1A |
| Err52 | outbound communication failure | 101: Modbus communication with outbound calls does not receive correct data for a certain period of time. | 101: Check the communication cable connection; check whether the 24V power supply of the integrated controller is normal; check whether the address setting of the outcall control board is duplicated; check whether there is strong electric interference with communication. | 1A |
| Err53 | Door lock failure | 101: After 3 seconds of door open output, the door lock feedback signal is still valid. 102: Multiple door lock feedback signals are inconsistent, with a duration of more than 2 seconds. 103: Reserved. 104: High and low voltage door lock signals are inconsistent. 105: After 3 seconds of door open output, the low voltage door lock short-circuit signal on the control board is valid. 106: After 3 seconds of door open output, the high voltage door lock short-circuit signal on the control board is valid. | 101, 105, 106: Check if the door lock circuit operation is normal; check if the door lock contactor feedback contacts are functioning properly; verify that the system received the door open position signal while the door lock signal is valid. 102: When detecting hall and car door lock signals separately, the hall and car door lock statuses are inconsistent. 104: When detecting high and low voltage door lock signals simultaneously, the main board receives the high and low voltage door lock signals with a time difference of more than 1.5 seconds. E53 fault protection, subcode 104 requires power-off reset. 105, 106: Check if the door lock short-circuit circuit is shorted during door opening. | 5A |
| Err54 | Troubleshooting start-up overcurrent | 102: During maintenance startup, the current exceeds 120% of the rated current. | a. Reduce the load b. Check if the motor phase sequence UVW is correct c. Disable the startup current detection function by setting FC-00 Bit1 to 1 | |
| Err55 | change-over stop failure | 101: When the elevator is operating automatically, the door on this floor does not reach the open position. | 101: Check the door open position signal for this floor. | 1A |
| Err56 | elevator door opening and closing failure signals | 101: Door open position signal is valid during operation. 102: Door close position signal is invalid during operation. 103: Both door open and door close position signals are valid simultaneously. | Check the door open/close position signals. Verify if the F5-25 switch’s normally open and normally closed settings are correct. | |
| Err57 | SPI communication failure | 101~102: SPI communication error, no correct data received from DSP for 2 seconds continuously; 103: Mismatch fault between the special machine’s mainboard and the lower layer | 101~102: Check if the connections between the control board and the drive board are correct. 103: Please contact the agent or manufacturer. | 5A |
| Err58 | Position protection switch abnormal | 101: Forced deceleration with simultaneous disconnection of upper and lower limits.” “102: Simultaneous disconnection of upper and lower limit feedback | Check whether the forced deceleration switch and limit switch have normally open or normally closed attributes, and whether these settings match the parameters on the main control board. Also, check if the forced deceleration switch and limit switch are malfunctioning | 4B |
| Err62 | Analog Disconnect | Car top board or main control board analog input disconnection | Check if the analog weight channel selection F5-36 is set correctly. Check if the analog input wiring for the car top board or the main control board is correct and if there are any broken connections. | 1A |
| Err63 | Main board, driver board, display board not bound | Subcode 01: Display board not bound. Subcode 02: Main board or drive board not bound. | 01: Insert the display board to change the bound display board 02: Change | |
| Err64 | Device No. Binding | |||
| Err65 | Accidental movement of the car | Accidental movement of the car | To reset the fault, press the red button on the operator. | |
| Err66 | Brake force detection faults | Pulse input during brake force detection | Check if the holding brake force is normal, adjust it a bit (F2-39), and then perform the brake force self-learning again | |
| Err80 | Debug authorization code expires | |||
| Err81 | Temporary authorization code expires | |||
| Err83 | IoT without communications | IoT module no communication for 5 minutes | Turn on the IoT module to connect the IoT communication cable and antenna | |
| Err84 | IoT without communication for a long time | IoT module no communication for over 45 days | Turn on the IoT module to connect the IoT communication cable and antenna | |
| Err88 | Factory automatic test function |
FP-09 for 0 non-protocol, 1 with protocols
