Introduction
Thank you for choosing the DOOYA DC251 Electric Curtain Remote Control. This manual provides essential information for the safe and efficient operation of your device. The DC251 is a five-channel wireless remote designed to control electric curtain motors, offering convenience and flexibility in managing your smart home environment.
Safety Information
- Read all instructions carefully before use.
- Keep the remote control away from water and high humidity.
- Do not expose the remote control to direct sunlight or extreme temperatures.
- Use only the specified battery type (not included).
- Keep batteries out of reach of children.
- Dispose of used batteries according to local regulations.
Setup
1. Battery Installation
- Locate the battery compartment on the back of the remote control.
- Carefully remove the rear cover.
- Insert one 3V battery (e.g., CR2032 or similar, not included) into the compartment, ensuring correct polarity (+/-).
- Replace the rear cover until it clicks securely into place.

2. Pairing with Curtain Motor
The pairing process typically involves a sequence of button presses on both the remote and the curtain motor. Refer to your specific DOOYA or SUNFLOWER curtain motor's instruction manual for detailed pairing steps. Generally, this involves:
- Activating the pairing mode on your curtain motor (often by pressing a button on the motor itself).
- Pressing the 'Settings key' (visible when the back cover is removed, see Figure 2) on the DC251 remote control.
- Confirming the pairing (e.g., motor movement or indicator light change).
*Note: The DC251 supports DOOYA Built-in motors (excluding DOOYA V1 motor) and SUNFLOWER Built-in motors.
Operating Instructions
The DOOYA DC251 remote control features five channels, allowing you to control up to five individual curtain motors or groups of motors. The buttons are intuitively designed for ease of use.

- Up Key (▲): Press to open the curtain or move it upwards.
- Stop Key (⊞): Press to stop the curtain at its current position.
- Down Key (▼): Press to close the curtain or move it downwards.
- Channel - (Left Button): Press to decrease the selected channel number.
- Channel + (Right Button): Press to increase the selected channel number.
- Indicator Light (LEDs): Displays the currently selected channel (1-5) and indicates remote activity.
Channel Selection
Use the "Channel -" and "Channel +" buttons to cycle through the five available channels. The indicator lights will show which channel is currently active. Once a channel is selected, the Up, Stop, and Down keys will control the motor(s) assigned to that channel.
Maintenance
- Cleaning: Wipe the remote control with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace the battery when the indicator light becomes dim or the remote's range decreases significantly. Follow the battery installation steps.
- Storage: If not in use for an extended period, remove the battery to prevent leakage and store the remote in a cool, dry place.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Remote not responding | Dead or low battery | Replace the battery. |
| Remote not responding | Out of range | Move closer to the curtain motor (within 60M). |
| Remote not responding | Not paired correctly | Re-pair the remote with the curtain motor according to the motor's instructions. |
| Curtain moves in wrong direction | Motor direction reversed | Refer to your curtain motor's manual for instructions on reversing motor direction. |
| Indicator light does not illuminate | Dead or incorrectly installed battery | Check battery polarity or replace the battery. |
Specifications
| Feature | Detail |
|---|---|
| Product Brand | DOOYA |
| Product Model | DC251 |
| Transmission Frequency | 433MHz |
| Voltage | 3V |
| Controllable Range | 60M |
| Supported Motors | DOOYA Built-in motor (Excluding DOOYA V1 motor), SUNFLOWER Built-in motor |
| Battery Included | No |
| Dimensions (Approx.) | 120.3mm (Length) x 40mm (Width) |
| Certification | CE |
| Origin | Mainland China |

User Tips
- Keep this Manual Handy: As some users inquire about documentation, keeping this manual accessible will help with future setup or troubleshooting.
- Test Channels Individually: When setting up multiple curtains, test each channel individually after pairing to ensure correct assignment.
- Battery Type: Always use a fresh, high-quality 3V battery for optimal performance and range.
Warranty and Support
For warranty information, technical support, or further assistance, please contact the seller or refer to the official DOOYA website. Ensure you have your product model number (DC251) available when seeking support.





