¶ 1️⃣ Printer Cannot Recognize AMS, or Main Board Shows Red Light 🚨
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Solution:
This issue is often caused by incorrect AB wire sequence in connecting cable. Try swapping the connections. If the problem persists, check for possible PCB issues, such as:
- Loose solder joints on components
- Faulty communication wiring (e.g., missing resistors in communication lines)
- Incorrect chip orientation or poor soldering causing virtual connections
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Even when there's no material, the system still detects it, the waste material recognition light is on, or material feeding is unstable.
Solution:
This is commonly due to:
- Misaligned optical sensor on old model parts
- Incorrect feed channel width
- Uneven soldering between the optical sensor and PCB
🛠️ Fixes:
- Upgrade to a newer optical module 🔄
- Re-solder the optical sensor 🔩
- Adjust the feeding module manually for better alignment ⚙️
¶ 3️⃣ Material Feeds In and Then Retreats, Unable to Continue Feeding
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Solution:
This issue is often caused by:
- Missing radial magnet
- Magnet holder not rotating with the shaft
- Ejected magnetic disc not installed properly
🛠️ Fixes:
- Use a correctly sized and oriented radial magnet (6×2.5mm)
- Check and ensure the AS5600 encoder chip is properly soldered
- Test magnetic polarity: Two magnet surfaces should attract each other. If they repel when rotated 180°, it's the wrong orientation 🔄
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Solution:
- Check if the mainboard is short-circuited (3.3V to GND).
- Ensure DuPont wires are connected in the correct order.
- Some downloads may trigger PC protection, preventing detection.
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Solution:
- Check for incorrect soldering of the main control chip.
- Look for virtual solder joints or short circuits.
- Incorrect DuPont wire order may cause issues.
- If C board prompts unlock failure, retry multiple times.
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Solution:
- Triangular gear may be too tight, preventing engagement.
- Precision errors in external parts may cause jamming.
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Solution:
- Check if screws are pressing against the motor shaft, causing friction.
- Noise during feeding may be due to gear skipping, which is unavoidable.
- Apply lubricant to reduce noise from misaligned gears.
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Solution:
- Ensure the magnet is installed; it won't be recognized otherwise.
- After installing the magnet, restart the device for detection.
- Check for loose PH2.0 socket connections or broken ribbon cables.
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Solution:
- Incorrect PH2.0 wiring, requires reversed 10-pin 80mm cable.
- Check for loose socket connections.
- Short circuits on the secondary board (e.g., resistor/capacitor bridging).