Door Control - Chamberlain 8355W User Manual

Battery Backup (If applicable)
The battery backup allows access in and out of your garage when
the power is out. When the garage door opener is operating on
battery power, the garage door opener will run slower and the
lights, Timer-to-Close, and remote close features (MyQ
disabled. In battery backup mode, the Automatic Garage Door
Lock will unlock when the garage door is opened, and will remain
disabled until power is restored. During a power outage the battery
supplies power for up to 24 hours of operation. For maximum
battery life and prevent damage, disconnect the battery when the
garage door opener is unplugged for an extended period of time.
Use an A19 incandescent
(100W maximum) or
compact fl uorescent (26W,
100W equivalent) light bulb.
DO NOT use halogen, short
neck, or specialty light bulbs.
DO NOT use LED bulbs.
Battery Status LED
® App) are
Automatic Garage Door Lock
(If applicable)

Door Control

MULTI-FUNCTION CONTROL PANEL 882LMW
Push Bar
MOTION DETECTING CONTROL PANEL 886LMW
Push Bar
* The garage door opener must run through a complete cycle
before it will activate Wi-Fi
to Wi-Fi, visit WiFiHelp.LiftMaster.com.
• Solid green LED -
Charged battery
• Flashing green LED -
Charging battery
• Solid orange LED with
beep - Operating on
battery power
• Flashing orange LED with
beep - Low battery
• Solid red LED with beep -
Replace battery
Garage door opener models
featuring the Security Shield on
the cover are compatible with
the Automatic Garage Door Lock
(Model 841LM).
Lock terminals
Service LED
LEARN Button
LOCK Button
Command LED
Light Button
Service LED
LEARN Button
LOCK Button
Command LED
Light Button
Motion Sensor
® programming. For help related
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