LiftMaster LM3800W-2 Mode D'emploi page 17

Door loses limits:
• Collar not tightened securely. Tighten collar and reprogram limits (see Point 20).
The garage door opener moves when the door is in operation:
• Some minor movement is normal for this product. If it is excessive the collar will wear prematurely.
• Check to make sure the torsion bar is not moving left/right excessively.
• Check to make sure the torsion bar is not visibly moving up and down as it rotates.
• Check that the opener is mounted at a right angle to the jackshaft. If not, move the position of the mounting bracket.
Automatic door lock connector will not fit the door opener plug:
• Older model 24V door locks are incompatible. Use automatic door lock model 841EU, see Accessories page
Automatic garage door lock does not activate when garage door opens or closes:
• 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.
The door opener is beeping:
• Indicates unattended closure. The opener has been activated by the MyQ App or the Garage and Gate Monitor.
• A solid orange LED with beep, sounding approximately every 2 seconds, indicates the door opener is operating on battery power.
• A flashing orange LED with beep, sounding every 30 seconds, indicates the battery is low.
• A solid red LED with beep, sounding every 30 seconds, indicates the 12V battery will no longer hold a charge and needs to be replaced.
The garage door is beeping and the red LED is flashing:
The battery charge is low or the battery is dead.
• Replace the battery.
MyQ Smartphone Control, wireless MyQ devices, and Timer-To-Close will not work:
• When in Battery Backup mode, MyQ Smartphone Control, wireless MyQ devices and Timer-To-Close will be disabled.
• MyQ Remote LED Light and infrared photocells must be installed to enable use of Timer-to-Close or MyQ Smartphone Control of the door. Plug
in the MyQ Remote LED Light and make sure it is programmed to the garage door opener. It may take up to 5 minutes to enable Timer-to-Close
and MyQ Smartphone Control.
33 Optional Accessories
Always use LiftMaster accessories. External products can cause malfunctions.
1. TX4UNIF
2. TX4EVS
3. TX4UNI/S
4. 128EV
5. 780EV
6. 78EV
7. FLA-1LED
8. 772E
9. 100034
10. 100041
11. 485EU
12. 827EV
13. 041A9264
14. 841EU
34
Intended area use
The drive must not be used in potentially explosive areas, in
extremely salty air or in an aggressive atmosphere. The door
must not be part of a fire protection system, an escape route or an
emergency exit that automatically closes the gate in the event of a
fire. Local building regulations must be observed.
In the event of damage caused by other and non-intended use, the
manufacturer's warranty expires due to use with defective parts,
unauthorized changes to the drive, modifications to the drive and
its components.
4-channel universal remote control
4-channel remote control
4-channel universal remote control
Wireless Wall Control 2-Channel
Keypad
Wired multi-functional wall control
Flashing light
Photocells
Key switch (flush mount)
Key switch (surface mount)
Battery Backup
MyQ Remote LED Light:
Cable Tension Monitor
Automatic Door Lock
16 / en
35
Storage & Disassembly
The drive must be stored as follows:
- in closed and dry and closed rooms, protected from moisture
- Storage temperature from –25 °C to +65 °C
- Secured against falling over and allow unhindered passage
When decommissioning or dismantling, the drive and its accessories
must be disconnected from any power supply.
1. Pull the main plug out of the socket and then check that there is no voltage.
2. Disassembly is in reverse order to assembly.