LiftMaster 891LM Remote

Your LiftMaster 891LM at a glance

Confirm that the label says LiftMaster 891LM. Preserve any additional suffix or hardware-revision marking; a matching shell or model number used by another brand is not enough.

891LM has one control button; 893LM has three.

891LM battery & holder

CR2032, 3 V; confirm holder polarity.

Programming your 891LM

Setup depends on the exact receiver and hardware revision. These model notes do not establish a complete pairing sequence for your equipment.

Match both the remote and opener or external receiver. Keep the door or gate in sight and clear of people. Do not hold a LEARN button or erase memory unless the instructions for that exact equipment require it.

Compatibility & exclusions

Security+ 2.0 equipment; identify the opener, not just the remote casing.

Receiver-specific setup is not covered by this brief.

If your 891LM is not working

General troubleshooting checks.

• No response: check the marked battery type and polarity; note whether another authorized control works.
• Short range: note when the problem began and whether it changes by location. Do not alter receiver wiring.
• Damaged case or buttons: keep the model label; stop using exposed, wet or damaged electronics.

891LM repair, parts & replacement

No exact replacement or part mapping has been confirmed for this page. A similar-looking remote, matching frequency or familiar model family is not sufficient evidence of interchangeability.

Model guides

Use the model-specific notes on this page with the instructions for your opener or receiver. A documented receiver match does not establish compatibility with every opener.