The hot end may experience damage, including thermistor breakage, heating block damage, and nozzle throat leakage. For these issues, component replacement is necessary.
This section provides suggestions for troubleshooting issues related to the TF card or card reader of a 3D printer. Below is a refined version:
Steps to Resolve 3D Printer TF Card and Card Reader Malfunctions
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Inspect the TF Card:
- If the TF card is not functioning properly, start by formatting the card.
- Formatting can clear potential file system errors or corrupted data.
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Replace the TF Card:
- If the issue persists after formatting, try using a new TF card for testing.
- Replacing the TF card helps determine if the problem is caused by the card itself.
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Check the Card Reader:
- If the problem continues even after changing the TF card, the card reader may be faulty.
- Try replacing the card reader to ascertain whether the issue lies with it.
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Comprehensive Diagnosis:
- After replacing both the TF card and the card reader, if the problem still exists, further inspection of the printer’s mainboard or other hardware components may be required.
3D Printer Z-Axis Lead Screw Maintenance and Inspection Steps
Maintaining the Z-Axis Lead Screw:
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Clean Dust and Debris:
- Regularly clean the Z-axis lead screw and guide rails of dust, debris, or plastic particles to maintain smooth movement and accurate positioning.
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Apply Lubricant Evenly:
- After cleaning, apply a layer of lubricating oil evenly on the Z-axis lead screw to reduce friction and extend its service life.
Inspecting the Z-Axis Lead Screw:
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Inspect the Condition of the Lead Screw:
- Carefully inspect the Z-axis lead screw for any signs of bending or deformation, as these issues may cause instability during the printing process.
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Assess the Flatness of the Lead Screw:
- If bending or deformation of the lead screw is detected, it may be necessary to correct or replace it to ensure smooth operation of the Z-axis and print quality.
Steps to Resolve 3D Printer Thermistor Issues
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Inspect the Thermistor Connections:
- First, ensure that the thermistors for the nozzle and heated bed are intact and not broken.
- Also, check whether the thermistors are correctly plugged into the corresponding sockets on the mainboard.
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Replace Damaged Thermistors:
- If a thermistor is found to be broken, it needs to be replaced with a new one.
- Purchase a thermistor that is compatible with your printer model to ensure proper functionality.
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Properly Install the Thermistors:
- After installing the new thermistors, make sure they are correctly inserted into the sockets on the mainboard.
- Verify that the connections are secure to prevent poor contact that could cause erroneous readings or malfunctions.
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Check for Firmware Issues:
- Sometimes, negative temperature readings can be a result of firmware bugs.
- Ensure that the printer’s firmware is up to date, as updates often include fixes for known issues.
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Contact Technical Support:
- If the problem persists after checking and replacing the thermistors, it may be a more complex issue.
- Contact the manufacturer’s technical support for further assistance. They can provide guidance or suggest additional troubleshooting steps.
¶ 3D Printer Crashes and Black Screen During Printing, and the Issue Persists After Restarting
3D Printer Troubleshooting and Resolution Suggestions
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Firmware Update:
- If issues occur during printing, try re-flashing the firmware.
- Firmware updates may resolve software compatibility or operational issues.
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Restart the Printer:
- Power off the printer and wait for five minutes before turning it back on.
- Restarting can resolve temporary software failures or system hang-ups.
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Mainboard Damage:
- If the printer repeatedly experiences crashes or a black screen, it may indicate that the mainboard is damaged.
- Persistent hardware failures may require professional inspection and repair.
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SD Card Issues:
- Printer malfunctions could also lead to SD card damage, causing file reading issues.
- If you suspect SD card damage, try replacing it with a new one or use another known working storage device.
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Check Power Supply:
- Ensure the power supply to the printer is stable and within the correct voltage range.
- Power fluctuations or insufficient power can cause crashes and system instability.
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Inspect Cables and Connections:
- Check all cables and connections for the printer to make sure they are secure and undamaged.
- Loose or damaged cables can lead to unexpected shutdowns or system freezes.
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Monitor Printer Usage:
- If the printer is subjected to heavy use or has been running for extended periods, allow it to cool down.
- Overheating can cause the system to become unstable and lead to crashes.
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Contact Technical Support:
- If the issue persists after trying the above steps, contact the manufacturer’s technical support for further assistance.
- Technical support can provide more in-depth troubleshooting and recommend solutions or repairs.
¶ Motor Not Working, How to Handle It?
3D Printer Motor Failure Troubleshooting Steps
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Check Motor Cable Installation:
- Ensure that the motor cables are correctly installed on both the motor and the mainboard.
- If necessary, try reinstalling the cables to ensure a stable connection.
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Inspect the Integrity of the Cables:
- Carefully inspect the motor cables for any signs of breaks, wear, or damage.
- Any visible damage could prevent the motor from functioning properly.
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Check the Installation of the Motor Driver on the Mainboard:
- Verify that the motor driver modules on the mainboard are correctly installed, without any looseness or misalignment.
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Swap Motor Wiring for Testing:
- Plug the wiring of the non-functioning motor into a motor that is known to work.
- Observe whether the swapped motor operates normally.
- If it does work, this suggests that the original motor may be faulty.
- If it still doesn’t work, there may be an issue with the motor wiring or the driver module.
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Swap the Driver Module for Testing:
- Move the driver associated with the non-functioning motor to the position of a working motor driver.
- Observe whether the swapped motor operates normally.
- If it does not work, this could indicate that the motor driver module on the mainboard is damaged.
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Test the Motor Directly:
- If possible, test the motor directly by connecting it to a known good power source.
- This can help determine if the motor itself is defective.
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Check for Firmware Issues:
- Ensure that the printer’s firmware is up to date, as outdated firmware can sometimes cause motor control issues.
¶ Machine Emitting Abnormal Noises, How to Handle It?
3D Printer Troubleshooting Steps
1 Limit Switch Issue Investigation:
- Check the Wiring of the Limit Switch: Ensure that the wiring of the limit switch is properly installed, without any breaks or detachment.
- Swap the Wiring of the Limit Switch: Exchange the wiring of a normally functioning limit switch on the mainboard with the suspected faulty one to determine whether the fault lies with the limit switch itself or the mainboard interface.
2 Transmission Component Friction Issue Investigation:
- Manually Move the Axes for Inspection: Power off the printer and manually move the X and Y axes to check for any jamming or difficulty in movement.
- Individual Testing of Drive Components: Test each drive component individually, and based on the test results, adjust the screws or add lubricant as needed to reduce friction.
- Inspect the Condition of the Z-Axis Lead Screw: Check for any bending or deformation of the Z-axis lead screw, as these issues could cause the axis to move irregularly.
3 Belt Tension and Gear Meshing:
- Check Belt Tension: Ensure that the belts of the X, Y, and Z axes are properly tensioned. Loose belts can cause noise and affect movement precision.
- Inspect Gear Meshing: Examine the gears of the extruder and other moving parts for proper meshing. Misaligned or worn gears can produce noise.
4 Vibration and Stability:
- Assess Vibration Levels: Determine if excessive vibration is causing the noise. This can happen if the printer is on an unstable surface or if components are loose.
- Secure Loose Components: Tighten any loose screws or components that may be causing the printer to vibrate during operation.
5 Motor and Fan Issues:
- Inspect Motors and Fans: Check the motors and fans for any unusual sounds. A motor or fan that is failing can produce abnormal noise.
- Replace Faulty Components: If a motor or fan is found to be the source of the noise, consider replacing it.
6 Lubrication and Maintenance:
- Apply Lubricant: Regularly lubricate the moving parts of the printer to reduce noise and ensure smooth operation.
- Perform Maintenance: Conduct routine maintenance to keep the printer in good working order, which can prevent noise issues.
¶ Unable to Start the Machine, How to Handle It?
3D Printer Power Supply and Mainboard Troubleshooting Steps
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Check Power Supply Voltage:
- Ensure that the printer’s power supply voltage matches the local power supply voltage standard.
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Check Indicator Light Status:
- Observe whether the power switch light and power light are on normally.
- If the boat switch light is on but the power light is not, it could be due to incorrect wiring of the power lines or improper connection of the boat switch, preventing the power from being supplied. It is necessary to recheck if the wiring is correct.
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Inspect Power Lines and Fuses:
- If the wiring is correct but the power light is still not on, it could be that the power supply unit is damaged.
- If the boat switch light is not on, check if the fuse has blown. If it has, replace it with a spare fuse.
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Inspect the Mainboard Status:
- If both the boat switch light and power light are on, but the mainboard light is not, it could be a short circuit in the filament run-out detection causing the mainboard to malfunction.
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Resolve Mainboard Issues:
- Re-modify the wiring sequence to ensure there is no short circuit in the filament run-out detection lines to resolve the mainboard issue.
- Alternatively, you can choose not to use the filament run-out detection function and bypass this problem by directly unplugging the filament run-out detection wire.
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Perform a Power Cycle:
- Turn off the printer and unplug it from the power source.
- Wait for a few minutes and then plug it back in and turn it on.
- This can sometimes clear temporary issues that prevent the printer from starting.
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Check for Physical Damage:
- Look for any signs of physical damage to the power supply, mainboard, or wiring.
- Physical damage may require replacement of the affected components.
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Contact Technical Support:
- If the problem persists after following the above steps, contact the manufacturer’s technical support for further assistance.
- Technical support can provide additional troubleshooting steps or recommend repair options.
¶ Machine Moves Diagonally Instead of Linearly on XY Axes, How to Handle It?
CoreXY Structure 3D Printer XY Axis Motion Troubleshooting Steps
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Understand the CoreXY Motion Principle:
- The linear motion of a CoreXY machine structure is achieved synchronously by the X and Y motors working in coordination. If the machine moves diagonally instead of linearly on the XY axes, it typically indicates that one of the motors is not functioning properly.
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Preliminary Faulty Motor Identification:
- To determine which motor is causing the issue, first, disconnect the wiring of the X-axis motor.
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Perform Homing Operation:
- After disconnecting the wiring of the X motor, press the homing button on the printer’s screen.
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Observe the Machine’s Response:
- If the machine does not move, it suggests that the Y-axis motor may not be working properly.
- If the machine still moves diagonally during homing, the problem is likely with the X-axis motor.
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Further Inspection:
- Based on the observed behavior, inspect the motor wiring, driver, and motor itself for the axis that corresponds to the non-functioning motor.
- Look for signs of damage, broken wires, or other indications of malfunction.
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Fault Diagnosis:
- Check if the motor wires are poorly connected or broken.
- Inspect the driver for faults, such as overheating or unusual noises.
- Verify whether the motor rotates smoothly or if there is any mechanical obstruction.
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Test Motor Function:
- If possible, test the motor by connecting it to a known good power source to ensure it operates correctly.
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Check for Firmware Issues:
- Ensure that the printer’s firmware is up to date, as firmware bugs can sometimes cause motor control problems.
¶ The Extruder Is Not Extruding Filament Normally or Making Noise, How to Handle It?
3D Printer Extrusion Issue Troubleshooting Steps
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Restart the Printer:
- First, try restarting the printer, which can sometimes resolve temporary software or hardware issues.
-
Check the Extruder Gears:
- Inspect whether the extruder gears are slipping or unable to properly grip the filament, which could prevent the filament from smoothly entering the extruder.
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Check for Nozzle Clogs:
- Ensure the nozzle is not clogged and that the filament can enter the nozzle without obstruction.
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Check the Extruder Motor Operation:
- Confirm if the extruder motor is operating normally.
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Motor and Gear Synchronization Issue:
- If the motor is turning but the extruder gears are not, it could be that the set screw on the motor pulley has loosened and needs to be retightened.
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Inspect the Gear Shaft Condition:
- Check for any flattening or damage on the shaft where the extruder’s gear is located.
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Inspect the End of the Filament:
- If the filament is not extruding, remove it from the PTFE tube and observe if the end of the filament has become thicker.
- Thickenening could be due to insufficient cooling, leading to clogging in the heat break area.
¶ Mainboard Error
Robin Nano 3D Printer Error Code Guide
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Err1: Heated Bed Over-temperature
- Issue: The heated bed temperature exceeds the maximum limit.
- Solution: Check for short circuits at the thermistor interface.
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Err2: Nozzle Over-temperature
- Issue: The nozzle temperature exceeds the maximum limit.
- Solution: Check for short circuits at the thermistor interface.
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Err3: Heated Bed Under-temperature
- Issue: The heated bed temperature is below the minimum limit.
- Solution: Check if the thermistor interface is disconnected.
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Err4: Nozzle Under-temperature
- Issue: The nozzle temperature is below the minimum limit.
- Solution: Check if the thermistor interface is disconnected.
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Err5: Nozzle Heating Failure
- Issue: The nozzle does not reach the set temperature difference within the set time.
- Solution: Verify that the configuration file settings are correct or check if the power supply is adequate.
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Err6: Heated Bed Heating Failure
- Issue: The heated bed does not reach the set temperature difference within the set time.
- Solution: Verify that the configuration file settings are correct or check if the power supply is adequate.
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Err7: Thermal Runaway
- Issue: After reaching the target temperature, the current temperature continues to be below the target temperature within the set time.
- Solution: Check if the thermistor is functioning properly or adjust the PID parameters to ensure suitable control.
¶ The Machine’s Screen Shows White or Distorted Screen, How to Handle It?
3D Printer Display Malfunction Troubleshooting Steps
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Power Off and Restart:
- First, try turning off the printer and restarting it to see if the screen returns to normal display.
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Reflash the Firmware:
- If restarting is ineffective, attempt to reflash the printer’s firmware.
- Firmware updates may resolve software conflicts or system errors and restore the screen display function.
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Check Display Contact:
- Remove the display from the printer’s casing and place it on an insulator.
- Power on again to observe if the same problem occurs.
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Diagnose the Cause of the Problem:
- If the problem disappears after removing the display, consider adding an insulating pad between the display and the casing when reinstalling to avoid possible electrical interference.
- If the problem persists, it could be that the display itself is damaged.
-
Replace the Display:
- If it is determined that the display is damaged, a replacement or new display will be needed.
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Install Insulating Material:
- When reinstalling the display, if it is necessary to add insulating material to resolve the issue, refer to relevant video tutorials for the procedure.
¶ The Model Does Not Stick to the Heated Bed, How to Handle It?
Adjustment Suggestions for Improving the Quality of 3D Printing First Layer Adhesion
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Adjust the Heated Bed Level:
- If the heated bed is not level, make fine adjustments by turning the leveling screws at the bottom of the bed to ensure the print platform is level.
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Optimize Nozzle Height:
- If the nozzle is too far from the heated bed, try lowering the nozzle height to reduce the distance between the nozzle and the bed, enhancing the first layer adhesion.
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Reduce the First Layer Print Speed:
- In the print software settings, reduce the print speed for the first layer, which can help improve the initial adhesion of the model to the bed.
-
Match the Heated Bed Temperature:
- Ensure the heated bed temperature matches the requirements of the filament being printed. For instance, the bed temperature for ABS material should be set between 80 to 100 degrees Celsius to prevent the model from contracting too quickly.
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Treat the Platform Surface:
- Clean the heated bed surface and apply a specialized adhesive as needed to enhance the adhesion between the model and the platform.
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Enhance Model Adhesion:
- Increase adhesion settings in the print software, such as adjusting the first layer height of the print bed or increasing the preheating time of the bed, to enhance the model’s adhesion to the heated bed.
¶ The Machine’s Fan Is Making Abnormal Noises, How to Handle It?
3D Printer Fan Failure Troubleshooting and Resolution Steps
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Check for Hardware Interference:
- Inspect whether any screws or other hardware parts are pressing against the fan blades, which could make the fan difficult to turn.
- If interference is found, adjust the hardware position to ensure the fan can rotate freely.
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Apply Lubricant:
- If there is abnormal noise or resistance when the fan is turning, consider adding an appropriate amount of lubricant to the fan’s bearings.
- Lubricant can reduce friction and make the fan turn more smoothly.
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Fan Itself Failure:
- If the above steps do not resolve the issue, it is possible that the fan itself is faulty.
- Check for obvious damage to the fan, such as broken blades or a damaged motor.
Further Actions:
- After confirming the fan’s failure, it may be necessary to replace it with a new one to restore the printer’s normal operation.
- When replacing the fan, make sure to choose a replacement that matches the specifications of the original fan.
3D Printer Thermistor Fault Solution
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Check for Thermistor Damage:
- If the thermistor at the corresponding position of the machine is damaged, it may cause the printer to unable to read the temperature correctly, affecting print quality.
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Confirm Thermistor Specifications:
- If the customer has privately replaced the thermistor with a non-standard specification, such as a thermistor line that is not 100-ohm, it may lead to inaccurate temperature control of the printer.
-
Replace with a New Thermistor Line:
- To ensure that the printer can accurately control and read the temperature, it is necessary to replace it with a factory specification or a compatible new thermistor line.
Operation Steps:
- Turn off the printer and disconnect the power supply to ensure safe replacement.
- Purchase a thermistor line that is compatible with the printer, and check whether the resistance value is 100 ohms.
- Replace the new thermistor line according to the printer maintenance manual or the manufacturer’s instructions.
- After the replacement is complete, turn on the machine again and calibrate the printer’s temperature control system.
¶ The Machine Displays Nozzle or Heated Bed Temperature Directly as 347 After Powering On, How to Handle It?
Problem Identification:
- When the thermistor wire at the corresponding position of the machine is short-circuited, it will affect the printer’s accurate measurement and control of the temperature.
Resolution Measures:
- To ensure that the printer can work properly, it is necessary to replace it with a new thermistor wire.
¶ The Machine Displays Negative Temperatures for the Extruder or Heated Bed After Powering On, How to Handle It?
If the thermistor wire of your machine is broken at the corresponding position, or it is not installed correctly on the mainboard, please follow these steps to handle it:
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Check for Breakage in the Thermistor Wire: Inspect the thermistor wire for any breaks or damage.
-
Replace the Thermistor Wire If Broken: If you find that the wire is broken, replace it with a new thermistor wire.
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Ensure Proper Installation on the Mainboard: After replacing, carefully check and ensure that the thermistor wire is correctly inserted into the corresponding socket on the mainboard.