If you’ve recently purchased or are replacing a remote, understanding the Genie G3T-A 3-Button Garage Door Opener Remote B8Q315390T3 is essential. Programming confusion, compatibility issues, or battery problems can quickly become frustrating.
This complete guide explains everything you need to know — from setup and compatibility to troubleshooting and security features — so you can get your garage door working smoothly again.
What Is the Genie G3T-A 3-Button Garage Door Opener Remote B8Q315390T3?
The Genie G3T-A 3-Button Garage Door Opener Remote B8Q315390T3 is a multi-button transmitter designed to operate up to three Genie garage door openers.
It uses Intellicode rolling code technology, which enhances security by changing the access code every time you press the button.
For background on garage door opener systems, see:
https://en.wikipedia.org/wiki/Garage_door_opener
Key Features
Here’s what makes the G3T-A popular among homeowners:
- Three programmable buttons
- Intellicode rolling security
- Compact keychain design
- CR2032 battery powered
- Compatible with most Genie openers (1997–present)
- FCC ID: B8Q315390T3
The three-button design allows control of:
- Multiple garage doors
- Gate operators (if compatible)
- Additional Genie devices
Is the Genie G3T-A Compatible With My Opener?
Compatibility is the most common concern.
The Genie G3T-A works with:
- Genie Intellicode openers (1997–present)
- Genie Series II systems
- Overhead Door CodeDodger models
It may not work with:
- Pre-1995 dip-switch models
- Non-rolling-code systems
- Some older commercial units
How to Confirm Compatibility
- Locate the motor unit on the ceiling.
- Find the “Learn” or “Program” button.
- If your opener uses rolling code (Intellicode), it should be compatible.
How to Program the Genie G3T-A 3-Button Remote
Programming takes only a few minutes.
What You Need
- Ladder
- Access to motor head unit
- Genie G3T-A remote
Step-by-Step Programming Instructions
Step 1: Press the Learn Button
On your opener motor:
- Press and release the “Learn” or “Program” button.
- The LED indicator will blink.
Step 2: Press the Desired Remote Button
Within 30 seconds:
- Press one of the three buttons on the G3T-A.
- Release.
The opener light should blink or click to confirm programming.
Step 3: Test Operation
Press the programmed button again.
If the door moves, programming was successful.
Total setup time: 2–3 minutes
How to Program Multiple Doors
Each button controls one door.
To program additional doors:
- Repeat Learn mode on second opener.
- Press a different button on the remote.
- Confirm operation.
You can program up to three separate garage doors.
How Secure Is the Genie G3T-A?
Security matters for any garage system.
The G3T-A uses rolling code encryption:
- Generates a new code each time
- Prevents replay attacks
- Offers billions of possible combinations
Compared to fixed-code remotes, this dramatically reduces hacking risks.
Battery Replacement Guide
The Genie G3T-A uses:
CR2032 3V lithium coin cell battery
Replacement Steps
- Use a small flathead screwdriver.
- Gently pry open casing.
- Remove old battery.
- Insert new battery positive side up.
- Snap case shut.
Battery life typically lasts 2–5 years.
Troubleshooting Common Problems
| Issue | Possible Cause | Solution |
|---|---|---|
| Remote not working | Dead battery | Replace battery |
| Short range | Weak battery | Install new CR2032 |
| Won’t program | Memory full | Reset opener |
| LED not lighting | Battery inserted wrong | Reinsert properly |
If problems persist, clear opener memory and reprogram.
Resetting the Opener Memory
To erase all remotes:
- Hold the Learn button for 10 seconds.
- LED will stop blinking.
- All remotes are erased.
Reprogram each remote afterward.
Operating Range and Performance
Typical operating range:
- 50–150 feet
Factors affecting range:
- Metal garage doors
- Concrete walls
- Interference from WiFi routers
- Low battery
For best results, keep the opener antenna straight and unobstructed.
Genie G3T-A vs Single-Button Remotes
| Feature | G3T-A | G1T |
|---|---|---|
| Buttons | 3 | 1 |
| Doors Controlled | 3 | 1 |
| Cost | Moderate | Lower |
| Ideal For | Multi-door homes | Single garage |
If you have two or three garage doors, the G3T-A offers convenience.
When Should You Replace the Remote?
Replace the remote if:
- Buttons stick
- LED doesn’t light with new battery
- Internal circuit damage
- Water exposure
Replacement cost typically ranges from $25–$45 in the U.S.
Maintenance Tips
To extend lifespan:
- Avoid dropping remote
- Keep away from moisture
- Replace battery before fully dead
- Store spare indoors
Preventive care ensures reliable performance.
Frequently Asked Questions
How do I program the Genie G3T-A remote?
Press the opener’s Learn button, then press the desired remote button within 30 seconds.
What does B8Q315390T3 mean?
It’s the FCC ID for the Genie G3T-A remote transmitter.
Is the Genie G3T-A compatible with all Genie openers?
It works with most Intellicode openers made after 1997.
How long does the battery last?
Typically 2–5 years depending on usage.
Can I control three doors with one remote?
Yes. Each button can be programmed to a separate door.
Why is my Genie remote not working?
Most often due to battery issues or lost programming.
Final Thoughts
The Genie G3T-A 3-Button Garage Door Opener Remote B8Q315390T3 is a versatile and secure option for homeowners with multiple garage doors.
Key advantages:
- Three-door control
- Rolling-code security
- Easy programming
- Affordable replacement
If properly programmed and maintained, this remote can provide years of dependable use.
If this guide helped you set up or troubleshoot your Genie G3T-A remote, consider sharing it with other homeowners who may need clear, step-by-step instructions.
