How I Finally Fixed My Flexispot Standing Desk RST Error (Without Calling Support)

Who This Checklist Is For

If you're an office manager or admin who just saw "RST" flash on a Flexispot standing desk control panel—and your first thought was, "Great, now I have to call support and wait on hold"—this is for you.

I manage purchasing and maintenance for about 80 desks across two office locations. We've got a mix of E1, E2, and E7 models. The RST error pops up maybe 3 or 4 times a year. It's annoying, but in my experience, 95% of the time you can fix it yourself in under 10 minutes.

Below is the checklist I now give our facilities team. It has 5 steps. The third step is the one most people skip—and it's usually the culprit.

Step 1: Check the Obvious—Power and Connection

I know, this sounds too basic. But you'd be surprised how many times I've walked over to a desk showing RST, only to find the power cord was nudged loose during cleaning the night before.

What to do:

• Confirm the desk is plugged into a working outlet. Try plugging a phone charger into the same outlet to verify it has power.
• Check the connection between the control box and the control panel. On Flexispot desks, there's usually a small cable running from the panel to the control box under the desk. Make sure it's firmly seated.
• Look for any visible damage to the cables—cuts, pinches, or signs of being chewed (yes, we had a mouse issue in one office).

In my experience: This fixes the problem about 30% of the time. If it doesn't, move on.

Step 2: Do a Hard Reset

Most electronics respond to a hard reset, and Flexispot desks are no exception. The RST error often happens after a power surge or if the desk was unplugged while in motion.

What to do:

• Unplug the desk from the wall outlet.
• Wait a full 60 seconds. (I've learned the hard way that 10 seconds isn't long enough—the control box can hold a charge.)
• Plug it back in.
• Try raising or lowering the desk using the control panel.

I'd say this works maybe another 30% of the time. Don't hold me to that exact number—it's a rough estimate based on my log. But it's consistently the second thing I try.

Step 3: Check the Mechanical Stop (The One Most People Miss)

Here's the step I only figured out after about a year of dealing with these desks. The RST error doesn't always mean an electrical problem. Sometimes it means the desk has reached its mechanical limit and the motor can't move further.

This happens when:

• The desk is loaded with too much weight and the legs bind up near the top or bottom of their travel.
• Something is physically blocking the desk's movement—a cable caught under the frame, a box pushed too close to the base, or even a piece of debris lodged in the leg track.

What to do:

• Clear everything from under and around the desk. Look under the frame for any obstructions.
• Gently try to lift or push the desktop by hand while pressing the up or down button. The idea is to relieve pressure on the motor so it can complete its reset cycle.
• If the desk is stuck at a low position, try lifting slightly as you press the up button. If it's stuck high, press down while gently pushing the desktop downward.

I once spent 45 minutes on the phone with support—only to figure out that a stray cable management tie had wedged itself into the leg track. Since then, I always check this before calling anyone.

Step 4: Recalibrate the Desk (If It Still Shows RST)

If the error persists after the first three steps, the desk's internal position sensor may have lost its calibration. This can happen after a power outage or if the desk was forced to stop abruptly mid-motion.

What to do:

• Press and hold the "down" button on the control panel until the desk lowers to its minimum height and stops.
• Continue holding the button for another 5-10 seconds. On most Flexispot models, you'll see the display flash a number or show "RST" briefly, then reset to zero (or the lowest height setting).
• Once it stops moving, release the button.
• Now press and hold the "up" button. The desk should raise to its maximum height and stop. Again, continue holding for 5-10 seconds until the display resets.
• Test the desk by moving it up and down through its full range.

I wasn't 100% sure about this step when I first tried it, but it's documented in the Flexispot user manual for E1/E2 models—and it's saved me more than once.

Step 5: When to Call Support (And What to Have Ready)

If you've gone through all four steps and the RST error is still showing, you probably have a hardware issue—a faulty control box, a damaged motor, or a wiring problem. At this point, it's time to call Flexispot support or check your warranty.

Before you call, gather this information:

• Model number (usually on a sticker under the desktop or on the control box)
• Serial number
• Date of purchase (rough estimate is fine if you don't have the exact receipt)
• A brief description of what you've already tried (mentioning the steps above can save time)

In my experience, Flexispot support is pretty responsive—especially for commercial orders. We had a control box fail on an E7 after about 14 months. They sent a replacement within a week, no questions asked.

A Few Things I Wish I'd Known Earlier

• The RST error is not always a sign of a serious problem. In about 80% of our cases, it was fixed by one of the first three steps above.
• Keep the user manual accessible. I've got PDFs saved in a shared drive for our facilities team. It saves us hours of troubleshooting time.
• Don't force the desk. If it's not moving and showing RST, don't try to manually crank or force the legs. You can strip the gears.
• The error can recur if the desk is consistently overloaded. Flexispot desks have weight limits (usually around 275-355 lbs depending on the model). We realized some of our desks were overloaded with heavy monitors and equipment, causing the motors to work harder and trigger errors more frequently.

So glad I figured out the mechanical stop trick early on. It's saved me maybe 10+ support calls over the past two years—and a lot of frustration for the people using those desks.