Comprehensive Creality K1 Printer Fault Codes List: Troubleshooting and Solutions

Error codes are designed to help identify issues with the machine. When an error code appears, users can follow the instructions on the screen or refer to this document for a solution. If an error code cannot be found in this document, users should export the log and send it to the after-sales service for analysis. The software team should also be reminded to update this document.

The following is a comprehensive list of fault codes for the Creality K1 printer:

Code Description Why this error occurs Solution 100 Error copying gcode file from USB to local; will not start printing / / 101 AI detected anomaly during printing process, print paused 1.False trigger due to use of colored filament 2.Triggered by print failure

1. If false trigger or user decides it's safe to continue, click to resume print on machine screen, slicing software or Creativity Cloud 2. If print failure, clean machine and restart printing 3. To disable feature, go to System Settings - Camera - AI Function 102 Current gcode file name too long / / 103 First layer detection result abnormal, print paused 1. Model's first layer was scraped off 2. False trigger 1. If false trigger or user decides it's safe to continue, click to resume print on machine screen, slicing software or Creativity Cloud 2. If print failure, clean machine and restart printing 3. To disable feature, go to System Settings - Camera - AI Function 104 Heated bed foreign object detection abnormal, print paused / / 105 Laser radar sensor abnormal, print paused / / 106 Laser radar calibration failed, print paused / / 107 Flow detection failed, print paused / / 108 Laser radar offset correction failed / / 109 Throat fan abnormal, print paused 1. Fan not spinning 2. Nozzle board issues 1. Heat nozzle to 60 degrees to see if fan spins 2. If it doesn't spin, replace fan. If error persists after replacement, replace nozzle board 110 Main MCU hardware connection abnormal / / 111 Nozzle MCU hardware connection abnormal / / 112 Heated bed MCU hardware connection abnormal / / 500 AI detected anomaly during printing process, only a prompt / / 501 Throat fan abnormal 1. Terminal wire loose 2. Fan locked and unable to spin due to screw during installation 3. Fan damaged 1. Dismantle nozzle cover and small nozzle board, check if cooling block screw has fallen into throat fan, tighten cooling block screw fan 2. Replug throat fan terminal 3. Replace throat fan [501 error code handling process] 502 Mainboard fan abnormal 1. Terminal wire loose 2. Fan locked and unable to spin due to screw during installation 3. Fan damaged / 503 First layer detection result abnormal, only a prompt / / 504 Heated bed foreign object detection abnormal, only a prompt / / 505 Laser radar does not exist, only a prompt / 1. Check laser radar wiring 2. Replace laser radar 506 Laser radar calibration failed, only a prompt / / 507 Laser radar calibration failed, only a prompt / / 2000 Unable to update MCU configuration because MCU has been turned off / Restart; check connection 2001 Error; key: 2001, unknown exception 1. Unable to read register status of E-axis drive IC, timeout occurred 2. Communication line between mainboard and nozzle has poor contact or interference, causing nozzle MCU communication timeout 1. Resend nozzle board 2. Resend nozzle harness 2002 Host cannot connect / / 2014 Slicing distance is negative or greater than entire movement length 1. Print file issue, not using official slicing or wrong model selected 2. System error 1. Check if official slicing is used, if third-party slicing configuration is provided by official, if correct model is selected in official slicing 2. Restart and reinitiate print after restart 2016 Print not paused, resuming aborted / / 2019 Target temperature {0} out of set range ({1}:{2}) / / 2020 Homing error: {0} / / 2021 {0} homing timeout error / / 2056 {0} axis accelerometer did not measure data / / 2060 / / 1. Unplug nozzle terminal 2. Replace nozzle connection line 3. Restart 2065 Failed to set ADXL345 register [0x%x] to 0x%x: got 0x%x. This usually indicates a connection problem (e.g. wiring fault) or ADXL345 chip failure. / Replace nozzle small board 2069 There is "M107 P3" code in slicing file / Confirm if slicing software is latest version, reslice 2090 Timer shut down, this usually indicates host overload. / / 2091 Missed next plan, this usually indicates intermittent communication failure between microcontroller and host. / / 2092 ADC out of range, this usually occurs when heater temperature exceeds its configured minimum or maximum temperature. / / 2093 Past reschedule timer, past steps too far when microcontroller requests to step at a rate higher than its capability. / / 2095 Must return to origin first / / 2111 Extrusion below minimum temperature of 170 degrees / 1. Slicing issue, please use official slicing or contact official to use official provided third-party slicing configuration file 2. Caused by key2507 issue, stop printing, heat nozzle, if error ket2507 is reported, refer to 2507 error handling solution 2112 Movement exceeds maximum extrusion amount ({0}mm^2 vs {1}mm^2) / / 2119 Invalid ADXL345 ID (got {0} vs {1}). This usually indicates a connection issue (e.g. wiring fault) or ADXL345 chip failure. / / 2210 Unable to auto-load filament, extruder below minimum temperature / / 2211 Print is paused / / 2242 First home: {0} {1} {2} [{3}] / / 2243 Out of range: {0} {1} {2} [{3}] / / 2252 Minimum value for parameter {0} must be {1} / / 2253 Maximum value for parameter {0} must be {1} / / 2283 Printer not prepared / / 2295 Attempt to restart MCU{0} failed / / 2298 Unable to update MCU{0} configuration because it has been turned off / / 2299 Unable to configure MCU {0} / / 2300 Error during MCU{0} configuration: {1} / / 2308 {0}-axis accelerometer did not measure data / / 2313 Internal error occurred while processing accelerometer data {0} / / 2340 Requested temperature for heater %s (%.1f) out of range (%.1f:%.1f) / / 2343 Main MCU connection timeout / / 2344 Nozzle MCU connection timeout / / 2345 Heated bed MCU connection timeout / / 2503 Unable to read Z-axis stress piece data / / 2504 Z homing abnormal / / 2505 Motor drive chip TMC abnormal Overheating: mainboard fan abnormal, voltage low: print speed too fast / 2506 Communication abnormal Common problem: 1. Nozzle wire issue / 2507 Not heating as expected (code replaced by 2564 and 2565 in versions 1.3.0.38 and above) Common problems 1. Nozzle thermistor fluctuation 2. Heating damaged, not heating / 2510 Heated bed thermistor abnormal / Replug thermistor wire terminal 2511 Chamber temperature abnormal / / 2512 Main MCU chip temperature abnormal / / 2513 Command format incorrect / / 2514 Command parameter format incorrect / / 3002 Nozzle communication abnormal when not printing, nozzle wire not properly plugged into mainboard Check if terminal on mainboard end is properly plugged in / 2520 Reading pressure sensor timeout, i.e. this read HX711 needs 11ms, but actual HX711 still not ready after 25ms Replace leveling board If occurs frequently, replace machine 2521 Constant pressure data read, such as constant at -1 Replace leveling board, or replace strain gauge sensor If occurs frequently, replace machine 2522 Pressure sensor unable to detect pressure, i.e. no change in pressure data before and after placing heavy object on heated bed Replace leveling board, or replace strain gauge sensor If occurs frequently, replace machine 2523 During measurement, serial port lost package, or Z-axis stuck and timeout did not trigger, thus losing pressure data. If occurs frequently, then check if Z-axis movement is smooth If occurs frequently, replace machine 2524 When machine is stationary, noise from pressure data collected is too high Replace leveling board, or replace strain gauge sensor, move machine to non-vibration environment Move machine to non-vibration environment, if still occurs frequently, replace machine 2525 During first layer print, nozzle scraping heated bed condition error reported Handle as per 2524 If occurs frequently, replace machine 2526 Z-axis motor, step loss during leveling, still step loss after speed reduction and retesting Check Z-axis movement status, or oil on leadscrew Oil leadscrew, if still occurs frequently, replace machine 2527 During measurement, after triggering, serial port lost package causing incomplete motor step data received Check if Z-axis movement status is smooth during homing / 2528 The fade_start in the configuration file is too small, which may cause the first layer to scrape the bed. Adjust the fade_start to be more than 1mm. Remotely modify the configuration file, or replace the product. 2529 During the G28 Z-axis homing, the number of measurements exceeds the limit (maximum 20 times). Move the machine to a non-vibrating environment and ensure not to touch the hot bed during homing, or follow the 2524 procedure. Move the machine to a non-vibrating environment, if the issue persists frequently, replace the product. 2530 G28 Z-axis homing fails, i.e., after the completion of homing, the error in the re-checked homing effect is too large and not passed. Move the machine to a non-vibrating environment, and ensure not to touch the hot bed during homing, or follow the 2524 procedure. Move the machine to a non-vibrating environment, if the issue persists frequently, replace the product. 2531 G29 homing times exceed the limit, or timeout. Move the machine to a non-vibrating environment and ensure not to touch the hot bed during homing, or follow the 2524 procedure. Move the machine to a non-vibrating environment, if the issue persists frequently, replace the product. 2532 The synchronization wire between the two MCUs is not working properly (disconnected). Check if the leveling board plug is plugged in properly. Secure the plug, if the issue persists frequently, replace the product. 2533 In the case of CHECK_BED_MESH AUTO_G29=0, i.e., leveling is not allowed, but the hot bed does not match the leveling data. Re-level or configure AUTO_G29=1. Remotely modify the configuration file, or replace the product. 2534 The combined calculation of pressure data and step data is in error. Follow the 2524 procedure. If the issue persists frequently, replace the product. 2535 After leveling, the correctness of the points is checked. If it is still abnormal after multiple checks, an error is reported. Clean the hot bed, check the Z-axis movement status, and observe the measurement phenomenon of the nozzle at the four corners of the hot bed. Clean the hot bed, if the issue persists frequently, replace the product. 2560 Communication with the main MCU is abnormal. Communication with the subordinate machine is lost, and the host machine has not received data for more than 5 seconds. Check the wiring, restart. 2561 Communication with the nozzle MCU is abnormal. / Check the wiring, restart. 2562 Communication with the hot bed MCU is abnormal. / Check the wiring, restart. 2563 Communication with the rpi MCU is abnormal. / Check the wiring, restart. 2564 The nozzle is not heated as expected. The nozzle heating is turned on, but the temperature does not rise. Inspect the ceramic heating block, heat wiring, and terminal. Look for any damage on the ceramic heating ring, loose terminals, and heating rod seat. If damaged, contact customer service. Also, examine the hot bed wiring and check if the welding position of the heating bed power supply is off. If so, contact customer service. 2565 Hotbed not heating as expected The hotbed heating was turned on, but the temperature did not rise Please reinsert the hotbed wiring and check if the soldering point of the heated bed power supply is desoldered. If so, please contact cs@creality.com The following is a detailed treatment plan for a common single code.

Error Code: 2507 1. Phenomenon Description

For firmware versions below 1.3.1.x, the screen displays "Error: E004, key: 2507, not heating as expected."

2. Cause Analysis

Unable to heat up or maintain a specified temperature.

3. Troubleshooting and Solution

1. Restart the machine and individually heat the hot end to 240°C and the hotbed to 90°C for ten minutes to identify the issue with either the hot end or hotbed.

2. If there's an error with the hot end, follow the troubleshooting process for error code 2564.

3. If there's an error with the hotbed, follow the troubleshooting process for error code 2565.

Error Code: 2564 1. Phenomenon Description

The screen displays "Error, key: 2564, Extruder not heating as expected."

2. Cause Analysis

1. Thermoistor terminal wire not plugged in during hotend heating.

2. Ceramic heating block/thermistor wire of the hot end is loose or not tightly inserted.

3. Broken or cracked solder joints on the wires of the ceramic heating ring at the hot end.

4. Hot end thermistor loosening.

3. Troubleshooting and Solution

1. Open the hot end cover and check the assembly of the ceramic heating wire and thermistor wire on the hotend board. Ensure the thermistor is inserted correctly.

2. Remove the hot end silicon sock to check for abnormalities such as cracks on the ceramic heating ring.

3. Secure the loose thermistor on the hot end.

Error Code: 2565 1. Phenomenon Description

The screen displays "Error, key: 2565, Hotbed not heating as expected."

2. Cause Analysis

1. Hotbed fuse damage.

2. Hotbed power line open circuit.

3. Troubleshooting and Solution

1. Disassemble the bottom cover.

2. Check the wiring on the hotbed board, re-fix if necessary.

3. If a multimeter is available, measure the voltage output on the leveling board. If abnormal, contact customer service for a hotbed board replacement.

4. Contact official customer service for a hotbed board kit replacement.

Error Code: 3002 1. Phenomenon Description

The screen displays "Error, key: 3002."

2. Cause Analysis

1. Mismatched firmware versions between the upper and lower host computers.

2. Loose connections at the hot end wire terminal (mainboard terminal number: J51).

3. Loose connections at the hotbed adapter wire terminal (mainboard terminal number: J11).

3. Troubleshooting and Solution

1. Upgrade the firmware.

2. Re-insert the hot end wire terminals (main board terminal number: J51).

3. Re-insert the hotbed adapter wire terminal (main board terminal number: J11).

Error Code: 2000 1. Phenomenon Description

The main board and the hotend adapter board suddenly lost communication.

2. Cause Analysis

Main thread error, program crashed.

3. Troubleshooting and Solution

1. Disassemble the hotend cover and re-plug the extruder connection cable. If the problem persists, replace the hotend connection cable.

2. If it occurs during startup, skip the self-inspection according to the K1 startup process.

Error Code: 2001 1. Phenomenon Description

The screen displays "Error, key: 2001, Unknown Exception."

2. Cause Analysis

Main thread error, program crashed.

3. Troubleshooting and Solution

1. Restart the printer.

2. If it occurs during startup, skip the self-inspection according to the K1 startup process. If the problem persists, contact after-sales service at cs@creality.com.

Error Code: 2509 1. Phenomenon Description

Abnormal nozzle temperature display.

2. Cause Analysis

Thermal sensitivity issues; thermistor wire is damaged or not properly connected; nozzle board issues.

3. Troubleshooting and Solution

1. Check if the thermistor connection is loose or damaged and re-plug if necessary.

2. Re-insert the thermistor ribbon cable.

3. Replace the nozzle assembly.If the above steps are ineffective, replace the nozzle board.

Error Code: 2121 1. Phenomenon Description

Failure to open the gcode file due to special characters in the file name.

2. Cause Analysis

Gcode file naming issue with special characters.

3. Troubleshooting and Solution

1. Verify the printer's functionality by printing with a random sample model.

2. Rename the model's gcode file using simple alphanumeric characters.

Error Code: 109 1. Phenomenon Description

Throat fan abnormality.

2. Cause Analysis

1. Fan quality issues leading to non-rotation.

2. Loose or broken fan wire.

3. Nozzle board issues.

3. Troubleshooting and Solution

1. Heat the nozzle to 60 degrees and check if the fan rotates. If not, replace the fan.

2. Check the fan wire connection and re-plug if needed.

3. If issues persist, replace the nozzle board.

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