On a dual-motor desk, the two legs have usually lost synchronization — often after a power cut mid-move or after the desk was moved. Lower it fully and run the reset sequence in its manual, usually by holding the down button. If the tilt comes back, check the floor, the load, the leg cables and the frame bolts before suspecting a motor.
First, measure it. Run the desk to one height and measure from the floor to the underside of the top at both ends. A difference that stays the same at every height is usually the floor or a leveling foot. One that grows as the desk rises is the legs moving at different speeds — a sync or motor issue.
1. Reset the frame. Most electric frames recalibrate the same way: lower the desk to its lowest point, then hold the down button — or a reset button or button combination — for several seconds until it beeps or moves slightly and stops. The exact sequence differs between makers, so use your manual. Among the parts in our standing desk parts hub, the replacement motor kit’s hand controller has a dedicated reset button.
2. Check the floor and the feet. A floor that slopes, or a leveling foot screwed out further on one side, makes a level frame look uneven. Put a spirit level on the desktop and adjust the feet until it reads level — after every move, as a new floor rarely matches the old one.
3. Check the load. A heavy monitor, a tower or a monitor arm at one end loads that leg more. Within the desk’s stated capacity, it should still lift evenly, but near the limit the loaded side can lag. Only the ErGear (80 kg, 176 lb) and VASAGLE (70 kg, 154 lb) in our electric standing desks hub publish a load.
4. Check cables and bolts. A loose motor cable at the control box or the leg can make one side stop or stutter. Bolts between the legs, the crossbar and the top can work loose over time and let the frame twist; tighten them with the desk lowered and unloaded.
5. Single-motor desks are different. Here one motor drives both legs through a shaft in the crossbar, so the legs cannot lose sync electronically. Uneven movement means the shaft has slipped out of one leg’s gearbox or the frame is twisted — refit the shaft per the manual. In our hub only the Desktronic states two motors; the VASAGLE and Veken refer to a single motor, and the ErGear and OffiGo do not say.
If none of this works, or one side grinds, clicks or slows under normal load, one motor may be failing. That is a warranty question first; out of warranty, replacing a standing desk motor explains how to match a replacement.
Last reviewed 13 October 2026