LiftMaster L991S compatibility
Current one-button LiftMaster remote for Security+ 3.0 openers with white learn buttons.
- Type
- remote
- Buttons
- 1
- Battery
- CR2032
- Protocol families
- 1
What this accessory is for
Focused control
A single-button format for one compatible opener or assigned function.
One radio generation
The indexed specification spans 1 manufacturer/protocol family: Chamberlain / LiftMaster / most Craftsman.
Current product record
XEKOV found a current first-party product/compatibility source when checked September 16, 2026.
Protocol coverage matrix
This is the useful part of a compatibility claim: the actual radio family, any learn-button cue, how many exact opener records XEKOV can cross-check, and how many current accessories share that protocol.
| Published family | Radio / protocol | Identifier | Indexed opener models | Current accessories in database |
|---|---|---|---|---|
| White learn button Chamberlain / LiftMaster / most Craftsman | Security+ 3.0 | white button | 11 | 12 |
Open the manufacturer source ↗
Exact opener models XEKOV can cross-check
These counts are not manufacturer market-share claims. They are the exact opener records currently in XEKOV whose verified radio family appears in this accessory’s compatibility list.
Compatibility limits
- Its indexed Chamberlain-family coverage is Security+ 3.0 only; do not assume yellow-button Security+ 2.0 support.
- Green-button Billion Code coverage is not listed for this accessory.
- A replaced receiver/logic board can make the physical opener differ from its original model specification.
Similar current records
- Chamberlain CH361 — remote, multi-generation
- Chamberlain CH363 — remote, multi-generation
- Chamberlain CH382 — remote, multi-generation
- Chamberlain CHU62 — remote, multi-brand universal
Programming and safety
Use the programming instructions supplied by LiftMaster for this exact accessory. Compatibility does not mean every programming sequence is identical. If a remote used to work and suddenly stopped, first check its battery and the manufacturer troubleshooting steps before erasing opener memory.
If the opener is older than 1993, lacks working photoelectric safety sensors, or has been modified, consult the manufacturer before use. XEKOV does not provide instructions to bypass door safety devices or access controls. Use remotes only with systems you own or are authorized to operate.
Common questions
What openers does the LiftMaster L991S work with?
Its manufacturer-listed protocol coverage on XEKOV includes Security+ 3.0. Use the protocol table and exact opener examples on this page rather than matching by appearance.
Is the L991S a universal remote?
Its indexed compatibility is limited to one radio family.
Do I need the same number of buttons as my old remote?
No. Button count determines how many doors/functions the accessory can control; it does not by itself determine radio compatibility.