소개
This manual provides instructions for the setup, operation, and maintenance of your LiftMaster 300MC Garage/Gate Door Remote. This remote is designed for compatibility with Multi-Code 3089 and other 300 MHz systems using 10 dip switches.
Please read these instructions carefully before using your new remote control.

이미지: 앞면 view of the LiftMaster 300MC Garage/Gate Door Remote. The remote is gray with a black button area and features the "CHAMBERLAIN" brand name on its upper surface, indicating its compatibility or origin.
설정 및 프로그래밍
The LiftMaster 300MC remote operates on a 300 MHz frequency and uses 10 dip switches for coding. To program your new remote, you will need to match its dip switch settings to those of your existing remote or the receiver unit of your garage door opener/gate system.
Step 1: Locate Dip Switches
C를 엽니다.asing of your existing remote control or the receiver unit of your garage door opener/gate system to locate the 10 dip switches. These switches are typically small, numbered toggles.
메모: The location of dip switches may vary. Refer to your original garage door opener or existing remote manual if you have difficulty locating them.
Step 2: Access Dip Switches on 300MC Remote
c를 조심스럽게 여세요asing of your new LiftMaster 300MC remote. The dip switches are usually located inside the battery compartment or under a removable cover.
Step 3: Match Dip Switch Settings
Observe the ON/OFF (or +/0/-) positions of the 10 dip switches on your existing remote or receiver. Using a small tool (like a pen tip or small screwdriver), adjust the dip switches on your new LiftMaster 300MC remote to exactly match these positions.
- Ensure each switch is set to the identical position (ON or OFF) as the original.
- Incorrect settings will prevent the remote from operating your garage door or gate.
4단계: 테스트 작업
Once the dip switches are matched, close the casing of both remotes. Stand within range of your garage door opener or gate system and press the button on your new LiftMaster 300MC remote to test its functionality.
If the system does not respond, re-verify the dip switch settings and ensure the battery in the new remote is correctly installed and functional.
작동 지침
The LiftMaster 300MC remote is designed for simple operation.
- 활성화: Point the remote towards your garage door or gate opener.
- 버튼을 누르시오: Press and release the single button on the remote.
- 행동: The garage door or gate will activate (open, close, or stop) depending on its current state.
Ensure you have a clear line of sight to the garage door or gate for optimal performance, although the remote is designed to work from a reasonable distance.
유지
Regular maintenance ensures the longevity and reliable operation of your LiftMaster 300MC remote.
배터리 교체
The remote requires one CR2 battery. When the remote's range decreases significantly or it stops responding, it is likely time to replace the battery.
- 리모컨을 조심스럽게 여세요asing.
- 기존 CR2 배터리를 제거하세요.
- Insert a new CR2 battery, ensuring correct polarity (+ and -).
- 리모컨을 닫으세요asing 안전하게.
- 리모컨 작동 여부를 테스트하세요.
청소
Wipe the remote with a soft, dry cloth. Avoid using abrasive cleaners or solvents, as these can damage the casing 또는 내부 구성 요소.
저장
Store the remote in a dry place, away from extreme temperatures and direct sunlight. Avoid dropping the remote or exposing it to moisture.
문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| Remote does not operate garage door/gate. |
|
|
| 원격 제어 범위가 줄어듭니다. |
|
|
| Remote button is stuck or unresponsive. |
|
|
명세서
- 모델: LiftMaster 300MC
- 빈도: 300MHz
- 코딩: 10 딥 스위치
- 배터리: 1 x CR2 (포함)
- 호환 장치: Garage Door Openers and Gate Systems using Multi-Code 3089 or similar 300 MHz, 10-dip switch technology.
- 치수: 약 5.39 x 2.8 x 1.06인치
- 무게: 약 1.76온스
- 특징: 인체공학적 디자인
- 색상: 검은색
보증 정보
For specific warranty details regarding your LiftMaster 300MC remote, please refer to the documentation provided at the time of purchase or contact LiftMaster customer support. Warranty coverage typically includes defects in materials and workmanship under normal use.
메모: Unauthorized modifications or improper use may void the product warranty.
고객 지원
If you require further assistance or have questions not covered in this manual, please contact LiftMaster customer support.
- 온라인 지원: Visit the official LiftMaster webFAQ, 문제 해결 가이드 및 연락처 정보를 제공하는 사이트입니다.
- 전화 지원: Refer to your product packaging or the LiftMaster web현재 고객 서비스 전화번호를 확인할 수 있는 사이트입니다.
When contacting support, please have your product model number (300MC) and purchase information readily available.





