Power Recliner Power Supply, Adjustable Bed Switching Power Supply Replacement Power Cord Kit AC/DC with AC Power Wall Cord 29V 2A Adapter Compatible for Lift Chair or Standing Desk

To troubleshoot whether a fault in an electric height-adjustable desk is caused by the power adapter, follow these steps:

1、Observe basic phenomena (desk controller and power indicator) ① If the desk is completely unresponsive after operation (it doesn’t move when pressing the up/down buttons, and the controller’s indicator doesn’t light up), prioritize checking for power issues. If there is partial response (e.g., the indicator flashes but the desk doesn’t adjust), the probability of a power adapter fault is low, but it still needs to be checked. ② Unplug the adapter from the controller and check if the power adapter’s indicator lights up. If it does, the adapter is likely not faulty.

2、Inspect the adapter’s appearance and connections ① Check for physical damage to the adapter, such as a cracked casing, broken wires, or a deformed interface. These issues can directly cause power loss, requiring the adapter to be replaced. ② Ensure the adapter plug is firmly connected to the socket, and the interface between the desktop control box and the adapter is fully inserted. Unplug and reinsert them a few times to rule out poor contact.

3、est the power output (core step) ① Replacement method: Find an adapter of the same model (with matching voltage and current parameters) for a replacement test. If the desk returns to normal, the original adapter is damaged. ② Multimeter test: Use the DC voltage setting on a multimeter. Connect the test leads to the adapter’s output interface (pay attention to positive and negative poles). If the reading deviates significantly (by more than ±5%) from the voltage marked on the adapter (e.g., 12V, 24V) or there is no output, the adapter is faulty.

4、Eliminate other interfering factors ① Try replacing the socket to rule out issues with a dead socket or poor contact. ② If the desk has a backup power interface (available on some models), test with the alternative interface to rule out a faulty interface.

5、Through the above steps, you can quickly determine if the issue is with the power adapter. If the adapter is confirmed to be damaged, ensure the replacement matches the parameters (voltage must be identical, and current should not be lower than the original specification) to avoid damaging the desk’s motor or control board due to mismatched parameters.

Condition: 100% brand new Material: ABS and Copper Wire: 22AWG with 4 core wire, approx.3.9eet length Input: 100-240VAC，50/60Hz， Output Voltage:29VDC Output Current:2A Max Output: DC 29V, 2.0A Net Weight: Approx. 295g/110.4oz