If the desk vibrates or collides during movement, an alarm will sound, and the desk will immediately stop and move in the opposite direction for a certain distance before automatically releasing. Press any key during the reverse run to stop and release.

Solution:

1. Check and ensure that the desk does not experience significant vibrations, collide with obstacles, or tilt before operating.

2. Disable the obstruction protection function:

  - Press and hold the "S" button until the "S--" starts flashing.

  - Press "S" again to display "Un".

  - Use "▲" or "▼" to switch to "CF" and press "S" to select.

  - Use "▲" or "▼" to switch to "OFF".

  - Press "S" to save your selection.

1. Disconnect the power, reconnect it, and press and hold the "▼" button for 5 seconds to display "rES" for reset. The appearance of the height display indicates a successful reset.

2. Disconnect the power, check the motor cables/extension cables for damage, ensure that the cable interface pins are not bent or damaged, and ensure a reliable connection between the motor and the controller. Then, reconnect the power and perform the reset operation described in step 1.

1. If this alarm occurs during upward movement, it will automatically release after a 3-second delay.

2. If the alarm repeats, check if there are excessively heavy objects on the desk. Confirm that the load is within the weight limit and check for any obstructions hindering the desk's upward movement. If no abnormal conditions are present, continue operating.

3. If this alarm occurs during downward movement, disconnect the power, remove some weight from the desk, and then reconnect the power to perform a system reset operation: Press and hold the "▼" button for 5 seconds to display "rES" for reset. The appearance of the height display indicates a successful reset

1. You can attempt a reset operation: Press and hold the "▼" button for 5 seconds to display "rES" for reset. The appearance of the height display indicates a successful reset.

2. If the reset does not resolve the issue, disconnect the power, recheck and ensure a reliable connection between the power source and the controller, and then reconnect the power. Alternatively, replace the main power supply.

1. Disconnect the power, recheck and ensure a reliable connection between the power source and the controller, and then reconnect the power.

2. Perform a system reset operation - readjust the height deviation between the columns: Press and hold the "▼" button for 5 seconds to display "rES" for reset. The appearance of the height display indicates a successful reset.

3. Check if the controller/control box is properly installed horizontally without any tilt. Perform a reset.

4. If the issue persists, disconnect the power, recheck and ensure no damage to the motor cables in each channel and ensure a reliable connection between them and the controller. Then, reconnect the power and perform a reset.

1. Press and hold the "Child Lock" button for 3 seconds to unlock.

2. Different types of controllers may have different unlocking methods. Please contact official customer service and provide the product model or photos.

If the "Hot" desk controller runs continuously for 5 minutes, it triggers the overheating protection. Reconnect the power or let the controller rest for 15 minutes to automatically release the protection.

If the "Hot." desk is overloaded and runs continuously, causing the controller to overheat, power off and wait for the controller temperature to decrease. The protection will automatically release.