Small spray dryer common problem troubleshooting
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Shanghai Xinzhuang Instrument Co., Ltd. is a leading company in the field of laboratory equipment, dedicated to technological innovation and product development. With a strong focus on R&D, manufacturing, and sales, the company continuously strives to improve its offerings and contribute to the advancement of scientific research. Known for its high-quality products and exceptional customer service, Shanghai Xinzhuang provides reliable solutions for laboratories worldwide.
Below is a list of common issues that may occur with small spray dryers, along with possible causes and solutions:
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**1. Fan Not Working**
- **Possible Causes**: Inverter failure or fan damage.
- **Solution**: Contact our technical support team for assistance.
**2. Electric Heater Not Working**
- **Possible Causes**: Fan not running, solid-state relay failure, or heater damage.
- **Solution**: Ensure the fan is operating, replace the solid-state relay if needed, or contact us for further help.
**3. Air Compressor Not Working**
- **Possible Causes**: Intermediate relay failure, compressor not starting, or compressor damage.
- **Solution**: Check the intermediate relay and start the compressor. If the issue persists, contact us for repair.
**4. Equipment Not Powered**
- **Possible Causes**: Unreliable power socket, air switch 1 off, or relay failure.
- **Solution**: Verify the power supply, turn on air switch 1, and check the relay.
**5. Touch Screen Not Displaying**
- **Possible Causes**: Start button damage, 24V switching power supply failure, or touch screen malfunction.
- **Solution**: Replace the start button, power supply, or contact us for touch screen repair.
**6. PLC Not Working**
- **Possible Causes**: Air switch 2 is off or PLC module failure.
- **Solution**: Turn on air switch 2 or contact us for PLC replacement.
**7. Inlet Air Temperature Not Displayed**
- **Possible Causes**: Loose PT-100 connection, damaged PT-100 probe, or temperature module failure.
- **Solution**: Contact Nanjing Pusen Instrument Equipment Co., Ltd. for assistance.
**8. Outlet Air Temperature Not Displayed**
- **Possible Causes**: Same as above – loose PT-100, damaged probe, or faulty module.
- **Solution**: Contact Nanjing Pusen Instrument Equipment Co., Ltd. for support.
**9. Inlet Air Temperature Not Reaching Set Value**
- **Possible Causes**: Excessive fan airflow.
- **Solution**: Adjust the fan parameters to optimize performance.
**10. Inlet Air Temperature Too Low at Drying Chamber Bottom**
- **Possible Causes**: Low atomizing air pressure, excessive compressed air leakage, or improper peristaltic pump settings.
- **Solution**: Increase inlet air temperature, check for leaks in the connections, adjust the pressure to 2–3 Bar (for φ6 white air tube), and modify the peristaltic pump parameters if needed.
**11. Needle Not Operating**
- **Possible Causes**: Air valve not open, low pressure, oversized needle parameter, or solenoid valve failure.
- **Solution**: Open the air valve (φ4 white air tube), adjust the pressure regulator, reduce the needle parameter, or replace the solenoid valve.
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At Shanghai Xinzhuang Instrument Co., Ltd., we are committed to providing top-notch support and solutions for all your spray drying needs. Whether you're facing technical challenges or need guidance on maintenance, our team is here to help. Feel free to reach out for more information or assistance.
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