Is it worth repairing a 20 year old garage door opener?
For a 20-year-old garage door opener, repair is usually not worth it; replacement is the better long-term choice for safety, reliability, and modern features. If your Craftsman opener is still passing the monthly safety reversal tests and only needs a small fix, a repair can make sense short-term (see the 13953990DS owner's manual).
When repair makes sense (and when it does not)
A repair is worth doing when the problem is minor and the door system is safe and mechanically sound.
- The door reverses correctly during the safety reverse test (2x4 test)
- The safety reversing sensors are installed and working (door will not close when the beam is blocked)
- The door is properly balanced and moves smoothly by hand
- The issue is limited to a remote, wall control, light socket, or a simple adjustment
- You are not dealing with repeated failures, grinding, or intermittent operation
Repair is not worth it when the opener or door system cannot be made safe with normal adjustments.
- The opener fails the safety reverse test after adjustments
- The door will not reverse on a 1-1/2 inch object (or a 2x4 laid flat)
- The sensors cannot be aligned or mounted correctly for your garage layout
- The door is binding, heavy, or out of balance (springs and cables are high-tension parts)
- You need major internal drive repairs and the unit has a long history of breakdowns
Safety checks we recommend before spending money
Your Craftsman 13953990DS is designed around a safety reversal system that must be tested monthly.
| Check | What “pass” looks like | What it points to if it fails |
|---|---|---|
| Safety reverse (2x4 test) | Door reverses on contact | Force/limit adjustment issue or unsafe operation |
| Protector System sensor test | Door will not close; opener lights flash | Sensor alignment, wiring, or mounting issue |
| Door balance (manual lift) | Door stays near mid-travel | Door hardware needs service by a door technician |
For troubleshooting light flashes or diagnostic patterns, use our Craftsman error codes guide.
Why it matters
With older openers, the biggest “cost” is safety risk and downtime. If the safety reversal system is not working perfectly, replacing the opener is the right decision; if it is working and the fix is small, repairing can buy time.
If you decide to repair, we list model-specific diagrams and replacement parts by model number, and you can also search by model on Sears PartsDirect.
Last updated: February 2026
How do I know what model my garage door opener is?
Your Craftsman garage door opener’s model number is printed on a label on the motor unit, typically under a light lens. On many units, you can find it under the front light lens, under the left light lens (when facing the opener), or on the side opposite the antenna; confirm the exact label location in the 13953990DS owner's manual.
Where to look on the motor unit
Check these common label locations first (power off is safest when you are reaching near the light lens):
- Under the front light lens cover
- Under the left light lens cover (when you are facing the opener)
- On the side of the motor unit opposite the antenna
- On the motor unit housing near the learn button area (common on Security+ units)
What the model label usually looks like
Most Craftsman openers use a printed sticker or plate that includes the model number and other identifiers.
| What you may see | What it means | Why it helps |
|---|---|---|
| Model number (example: 13953990DS) | The exact opener model | Ensures you get the right parts and instructions |
| Serial number | Unique unit identifier | Useful for records and service history |
| Electrical rating (volts/amps) | Power requirements | Helps verify correct power and wiring setup |
Why it matters
The model number drives everything that follows: correct replacement parts, compatible remotes and keypads, and the right programming steps (such as using the learn button and timing windows). It also helps match troubleshooting steps to your exact Craftsman opener.
Next steps after you find the model number
- Write the model number exactly as shown (letters and numbers)
- Use the model number to match parts for your opener on this model page or search by model on Sears PartsDirect
- If you are troubleshooting blinking lights or diagnostic codes, use Craftsman error codes to narrow down the cause
Last updated: February 2026
Why is my garage door not responding to remotes and/or keypad?
If your Craftsman 13953990DS garage door opener won’t respond to remotes or a keypad, start by checking whether the wall control operates the door. If the wall control works, the issue is usually Lock Mode, programming, or the remote/keypad itself; if it doesn’t, check the safety reversing sensors and the opener’s diagnostic LED per the owner's manual.
Quick checks (fastest fixes first)
- Make sure the wall control is not in Lock Mode (the manual notes a blinking control console can indicate Lock Mode).
- Replace the remote/keypad batteries.
- Confirm the opener’s antenna wire is hanging down and not damaged.
- Power-cycle the opener: unplug for 30 seconds, then plug back in.
- Reprogram the remote/keypad using the Programming steps in the owner's manual.
If the wall button works but remotes/keypad do not
The manual’s troubleshooting points to Lock Mode, then reprogramming, then checking the motor unit diagnostic LED.
What to do
- Turn off Lock Mode at the wall control (if equipped).
- Reprogram all remotes/keypad (especially after a power outage).
- Check the motor unit diagnostic LED for a flash pattern and follow the diagnostic chart in the manual.
If the wall button also does not work
This usually points to a power, control, or safety system issue.
- Verify the opener has power (outlet, breaker, GFCI).
- Check that the safety reversing sensors are installed, aligned, and unobstructed; the manual notes the opener will not close from a remote if a sensor indicator light is off.
- Inspect sensor wiring for loose connections or damage.
Symptom guide
| Symptom | Most likely cause | Best next step |
|---|---|---|
| Wall button works; remotes don’t | Lock Mode or lost programming | Disable Lock Mode; reprogram |
| Door won’t close; lights flash | Safety sensor misaligned/blocked | Align/clear sensors |
| Nothing works | Power or control issue | Check power; diagnostic LED |
Why it matters
Your opener is designed to prevent closing when the safety reversing sensors are misaligned or blocked. Fixing sensor alignment and confirming proper programming restores safe, reliable operation.
For repair parts and accessories for model 13953990DS, use the parts list for this model or search by model number on Sears PartsDirect.
Last updated: February 2026





