- Physical obstruction on curtain track
- Motor installed in wrong orientation
- Track has too much friction or resistance
Problem Description
Your Aqara curtain motor fails to complete the calibration process where it learns the open and closed positions of your curtain track.
Symptoms
- Motor stops before reaching track end
- Calibration completes but positions are wrong
- App shows calibration error message
- Motor reverses direction during calibration
- Open and close limits are swapped
- Motor makes grinding noise during calibration
Recognize these? Here's what usually causes it.
Common Causes
- Physical obstruction on curtain track
- Motor installed in wrong orientation
- Track has too much friction or resistance
- Curtain fabric caught in motor wheels
- Battery too low for full calibration run
- Previous calibration data corrupted
Most fixes happen in the first 3 steps.
Do not force the curtain open or closed during calibration.
Tools & Requirements
These tools will help you complete this fix.
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Step-by-Step Solution
Inspect the Curtain Track
Remove the motor from the track and manually slide the curtain from fully open to fully closed. The curtain should glide smoothly with minimal resistance.
Verify Motor Installation
The Aqara curtain motor has an arrow showing which direction it should face. Ensure this matches your track layout.
Charge Motor Fully
Calibration requires the motor to travel the full length of the track multiple times. Charge to 100 percent before starting.
Reset and Start Calibration
In the Aqara app, go to the curtain motor settings and select Reset Position Limits. Then select Calibrate.
Fine-tune Positions
After auto-calibration completes, use the manual adjustment feature to fine-tune positions.
Quick Solutions
Still having issues? This is usually the deeper cause below.
If this comes back after following these steps, check whether a recent app or firmware update reset a default setting — the fix works, but the setting gets reverted silently.
Applying silicone-based lubricant to the curtain track before calibration reduces friction.
This issue almost always looks more complex than it is — the majority of cases trace back to a single setting, a stale credential, or a default that shipped wrong.
- Physical obstruction on curtain track
- Motor installed in wrong orientation
- Track has too much friction or resistance
- Curtain fabric caught in motor wheels
- Battery too low for full calibration run
Before you go — try one of these (they fix most cases).
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Official Manufacturer Manual
Aqara provides official product documentation through their online manual rather than downloadable PDF. Access setup guides, troubleshooting steps, and product specifications for your Aqara Curtain Driver E1.
Source: aqara.com
Need More Help? Aqara Support
Note: The contact information below connects you directly to Aqara's official customer support team, not Trunetto. They can help with warranty claims, device replacements, and advanced technical issues.






