Shanghai Xinzhuang Instrument Co., Ltd. is a leading manufacturer of high-quality constant temperature water baths under the brand name LNB. Known for its energy-efficient and environmentally friendly design, the company has established itself as a market leader in China. With professional manufacturing and competitive pricing, their products are both reliable and cost-effective.
**Safety Precautions:**
1. Ensure the unit is properly grounded before use.
2. Never turn on the power before adding water to avoid damaging the electric heating element.
3. Avoid opening the right side panel unless necessary for safety reasons.
**Maintenance and Repair Tips:**
1. Always turn off the power after use.
2. Keep the interior and exterior of the unit clean and free from dust.
3. If the indicator light doesn’t work, first disconnect the power, unplug the device, and check the right side panel. Replace the fuse or bulb if damaged with the same specifications.
4. In case of temperature control failure, the sensor may be faulty. Replacing it should restore normal operation.
**Common Issues and Solutions:**
(1) **Display works normally, but no heating occurs:**
Check if the temperature controller outputs voltage. If not, replace the controller. If the heating element receives no voltage, the relay might be faulty.
(2) **Controller shows LLL or 999 (varies by model):**
This usually indicates a faulty temperature sensor. Replace the sensor to resolve the issue.
(3) **Temperature control issues due to dampness or sensor problems:**
- Clean the unit thoroughly after each use.
- Remove any debris from the water bath using a soft brush.
- Wipe the inside and outside with a dry cloth to prevent moisture buildup.
- Ensure the water level never drops below the heating element to avoid damage.
- Regular monthly maintenance is recommended, with records kept for reference.
Shanghai Xinzhuang Instrument Co., Ltd. specializes in the research, development, and production of low-temperature experimental equipment and ultrasonic devices. The company employs experienced temperature control engineers and uses advanced machinery to ensure product quality and safe operation. Their goal is to provide practical, stable, and cost-effective solutions that save space and enhance the experimental experience.
We offer nationwide free delivery, competitive pricing, and a three-year warranty. Our commitment to "customer-first, quality-first, reputation-first" ensures that we deliver fast, professional, and high-quality service. We welcome both new and returning customers to join us in creating a brighter future together.
For more information or inquiries, visit our website: http://
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