**Common Troubleshooting Methods for Air Shower Rooms**
Air showers are essential in cleanroom environments to remove contaminants from personnel before entering sensitive areas. However, like any mechanical system, they can encounter issues that require troubleshooting. Below are some common problems and solutions.
**1. Power Switch Issues**
If the air shower is not functioning, first check the power supply. There are typically four main power sources:
- The outdoor shower box’s power switch
- The control panel inside the indoor cabinet
- Emergency switches on both sides of the air shower room (designed to prevent accidental power cuts)
- If the air shower is running but cannot be opened, the lock may not be fully engaged.
If the power indicator is off, do not attempt to bypass these safety features. Also, if the door is locked or blowing without stopping, it may indicate a program error. In such cases, turn off the main power and restart the system properly.
**2. Fan Not Working or Low Wind Speed**
A common issue is a reversed 380V three-phase connection. This can cause the fan to spin backward or reduce wind speed significantly, potentially damaging the circuit board. It is recommended to have a qualified electrician handle any wiring changes. Do not attempt to rewire the system yourself unless you are certain of the correct configuration.
**3. Emergency Stop Button**
If the air shower is not blowing, check the emergency stop button inside the unit. If it has been pressed, simply press it again to resume normal operation.
**4. Sensing System Malfunction**
If the air shower fails to detect movement and blow air automatically, check the light sensor located at the lower right corner of the indoor cabinet. Ensure the sensor is correctly positioned. If it is misaligned, the system may not activate properly.
**5. Low Wind Speed Due to Clogged Filters**
Over time, dust can accumulate in the initial and high-efficiency filters, reducing airflow. Regular maintenance is crucial. Replace the primary filter every 1–6 months and the high-efficiency filter every 6–12 months, depending on usage.
**About Shanghai Sujing Industrial Co., Ltd.**
Shanghai Sujing Industrial Co., Ltd. is a leading manufacturer of cleanroom equipment in East China. With over a decade of experience, we specialize in providing professional air purification systems tailored to meet GMP standards. Our products are widely used in industries such as microelectronics, biomedicine, pharmaceuticals, food processing, and more.
We offer a comprehensive range of products including air shower rooms, biosafety cabinets, fume hoods, and purification workbenches. These systems are designed to create a sterile, safe, and contamination-free environment for various applications.
Our commitment to quality and innovation has earned us a strong reputation in both domestic and Southeast Asian markets. Whether you need custom design, installation, or technical support, our team is here to help.
If you have any questions or need assistance, feel free to contact us through the information provided on our website. We look forward to serving you and building a long-term partnership.
Have a great day!
Thank you for choosing Sujing.
Best regards,
SujING — JINGHUA
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