Small spray dryer common problem troubleshooting
Electric Standing Desk,Electric Desk,Standing Desk Electric,Electric Adjustable Desk,Standing Office Desk Suzhou Uplift Intelligent Technology Co., Ltd , https://www.upliftec.com
Shanghai Xinzhuang Instrument Co., Ltd. is a leading company in the field of laboratory equipment, dedicated to technological innovation and continuous improvement. With a strong focus on R&D, production, and sales, we are committed to delivering high-quality products and excellent customer service. Our mission is to support the development of scientific research and industrial applications through advanced solutions.
**Common Troubleshooting for Small Spray Dryers**
Here are some common issues you may encounter with your small spray dryer, along with possible causes and solutions:
1. **Fan not working**
- Possible cause: Inverter damaged or fan motor failure.
- Solution: Contact our technical support team for assistance.
2. **Electric heater not functioning**
- Possible cause: Fan not started, solid-state relay damage, or heater failure.
- Solution: Start the fan first, check the relay, or contact us for replacement parts.
3. **Air compressor not operating**
- Possible cause: Intermediate relay failure, compressor not starting, or compressor damage.
- Solution: Check the relay, ensure the compressor is properly activated, or contact us for repair.
4. **Equipment not powered**
- Possible cause: Unstable power supply, air switch 1 off, or relay failure.
- Solution: Verify the external power source, turn on air switch 1, and check the relay.
5. **Touch screen not displaying**
- Possible cause: Start button damage or 24V switching power supply failure.
- Solution: Replace the start button or power supply, and contact us if needed.
6. **PLC not working**
- Possible cause: Air switch 2 is off or PLC module failure.
- Solution: Turn on air switch 2 or contact our support for further assistance.
7. **Inlet air temperature not displayed**
- Possible cause: Loose PT-100 probe, damaged PT-100 sensor, or temperature module issue.
- Solution: Contact Nanjing Pusen Instrument Equipment Co., Ltd. for professional help.
8. **Outlet air temperature not displayed**
- Possible cause: Similar to above—loose connection, damaged probe, or faulty module.
- Solution: Reach out to Nanjing Pusen for diagnosis and repair.
9. **Inlet air temperature not reaching set value**
- Possible cause: Excessive fan airflow.
- Solution: Adjust fan parameters to optimize performance.
10. **Low inlet air temperature at the bottom of the drying chamber**
- Possible cause: Low atomizing air pressure, compressed air leakage, or incorrect peristaltic pump settings.
- Solution: Increase air pressure (2–3 Bar), check for leaks, and adjust pump parameters accordingly.
11. **Nozzle not working**
- Possible cause: Air valve not open, low pressure, oversized needle parameter, or solenoid valve failure.
- Solution: Open the valve (φ4 white air tube), adjust pressure, modify needle parameters, or replace the solenoid valve.
At Shanghai Xinzhuang Instrument Co., Ltd., we understand that downtime can be costly. That’s why we offer reliable support and professional service to ensure your equipment runs smoothly. If you have any questions or need assistance, feel free to reach out to us.
For more information, visit our website: [www.xinzhuang.com](http://www.xinzhuang.com)
We look forward to serving you!