Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your Easytry123 replacement infrared remote control, model Easytry1405. This remote is designed to be compatible with various Fujitsu room air conditioner models, including AST7USACW, ASH9LSACW, AST12ASJCW, AST12LSACW, AST12RSJCW, ASYG09LLCA, and AST12USACW. For optimal performance, ensure your original remote control's appearance matches this replacement unit.
Setup
Battery Installation
The remote control requires two AAA (R03/LR03) batteries for operation. Follow these steps to install the batteries:
- Locate the battery compartment cover on the back of the remote control.
- Gently slide the cover downwards or press the latch and lift to open the compartment.
- Insert two AAA batteries, ensuring that the positive (+) and negative (-) polarities are aligned correctly with the markings inside the compartment.
- Close the battery compartment by sliding the cover back into place until it clicks securely.
Important: Do not mix old and new batteries. Do not use batteries of different types together. Incorrect battery installation can prevent the remote from functioning or cause damage.

Operating Instructions
To operate your Fujitsu air conditioner with this remote control, point the remote directly at the air conditioner's receiver. Ensure there are no obstructions between the remote and the unit.
Common Button Functions:
- POWER: Turns the air conditioner ON or OFF.
- MODE: Cycles through operating modes such as Cool, Heat, Fan, Dry, Auto.
- TEMP ▲/▼: Adjusts the temperature setting up or down.
- FAN SPEED: Changes the fan speed (e.g., Low, Medium, High, Auto).
- SWING: Activates or deactivates the louver swing function.
- TIMER: Sets the ON/OFF timer for the air conditioner.
Note: Specific button labels and functions may vary slightly depending on the original Fujitsu remote model this unit replaces. Refer to your air conditioner's original manual for detailed function descriptions if needed.
Maintenance
Cleaning the Remote Control
To clean the remote control, wipe it gently with a soft, dry cloth. Do not use liquid cleaners, abrasive cleaners, or chemical solvents, as these can damage the remote's surface or internal components.
Battery Replacement
Replace batteries when the remote control's range decreases or if it stops responding. Always replace both batteries simultaneously with new AAA batteries. Dispose of used batteries according to local regulations.
Troubleshooting
Remote Control Not Responding:
- Check Batteries: Ensure batteries are inserted correctly with the correct polarity (+/-). Replace old or depleted batteries with new ones.
- Line of Sight: Make sure there are no obstructions between the remote control and the air conditioner's receiver.
- Distance: Operate the remote within the effective range of the air conditioner.
- Infrared Interference: Strong light sources (e.g., direct sunlight, fluorescent lights) can interfere with the infrared signal. Try operating the remote in a different lighting condition.
Some Functions Not Working:
This replacement remote is designed to replicate the primary functions of the original. However, due to variations between original models, some advanced or less common functions might not be fully supported. Verify compatibility with your specific air conditioner model's original remote functions.
Specifications
| Model Number | Easytry1405 |
| Brand | Easytry123 |
| Connectivity Technology | Infrared (IR) |
| Controller Type | Button Control |
| Power Source | 2 x AAA Batteries (not included) |
| Color | Grey |
| Special Feature | Ergonomic, Replacement for Fujitsu AC units |
Warranty Information
Please refer to the retailer or manufacturer's website for specific warranty terms and conditions applicable to this product. Warranty coverage typically addresses manufacturing defects and may not cover damage resulting from misuse, accidents, or unauthorized modifications.
Customer Support
For further assistance, troubleshooting, or inquiries regarding your Easytry123 replacement remote control, please contact the seller or manufacturer directly through their official support channels. Have your product model number (Easytry1405) and purchase details ready when contacting support.