**Installation Precautions:**
1. Ensure the distance between the magnet holder and the lock body is within 10mm. If it's too far, the sensor may become unresponsive or fail to detect properly.
2. The lock tongue must be centered in the keyhole when inserted into the magnet seat. If it's misaligned or hits the top of the magnet seat, the lock may not engage properly, leading to overheating, tongue bouncing, and potential damage to the internal circuit board over time.
3. Set the lock delay to approximately 2.5 seconds for optimal performance.
4. When handling the lock body, avoid pulling directly on the wires. This can cause them to loosen or disconnect, leading to malfunctions.
5. Use a DC power supply with a voltage range of DC 11V to 25V. Make sure the power source is stable and meets the required specifications.
6. Install the lock in a dry location, away from moisture, corrosive gases, liquids, and excessive dust. These conditions can significantly reduce the lifespan of the lock.
7. Always read the user manual carefully and follow the wiring instructions precisely. Incorrect connections or reversed polarity can damage internal components.
**Field Failure Troubleshooting:**
1. **Power issue – door doesn’t lock:**
A. Remove the lock and test it with a new power supply. Connect the red (positive) and black (negative) wires to the electric lock. Place the magnet near the sensor. If there is a delay, adjust it to the 0-second position. This is the fastest way to determine if the lock itself is faulty.
B. If the lock works fine, check the voltage and current at the installation site. Use a multimeter to measure the current while connecting a load. Ensure that the minimum starting current for the electric lock is at least 0.7A.
C. If you cannot measure the current or voltage, inspect the positive and negative power lines for any issues. Reconnect the power supply at the installation point to verify that the wiring is correct and secure.
D. Keep the power cable length under 50 meters (for DC 12V, 3A standard power supply). Avoid using regular cables; instead, use copper wire with a cross-sectional area of at least 1 square millimeter.
2. **Lock body overheating:**
A. Confirm that the power supply voltage is within the acceptable range (DC 11–25V) and that a DC voltage regulator is used.
B. Ensure the lock tongue is fully inserted into the keyhole, with a depth of at least 15mm.
C. Check for any short circuits in the electrical system. A short can cause abnormal heating and damage to the internal components.
By following these guidelines, you can ensure proper installation, reliable operation, and extended life of your electric lock system. Always perform regular maintenance and inspections to prevent future issues.
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