Repair Parts Installation Parts - Merlin Commander Ultimate MJ3800MYQ Installation And Operating Instructions Manual

Troubleshooting
Additional Troubleshooting (Continued)
The garage door opener won't operate due to power failure:
• Manually open the power door lock.
• Use the emergency release handle to disconnect the door. The door can be opened and closed manually. When power is restored,
pull manual release a second time.
• Disable any door locks. Use the emergency release handle to disconnect the door. The door can be opened and closed manually.
When power is restored, pull manual release a second time.
Door loses limits:
• Collar not tightened securely. Tighten collar and reprogram limits (see Adjustment Step 1).
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 841ANZ, 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.
• 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
®
• When in Battery Backup mode, myQ
• myQ Remote LED Light 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.
Repair Parts
Installation Parts
2
1
KEY PART NO.
NO.
1 041B4494-1
2 041A9264
3 774ANZ
devices, and Timer-To-Close will not work:
®
Smartphone Control, wireless myQ
®
3
4
DESCRIPTION
2-Conductor bell wire - white and
white/red
Cable tension monitor
Safety Reversing Sensor kit (receiving
and sending sensors) with 2-conductor
bell wire attached
devices and Timer-To-Close will be disabled.
®
5
7
6
KEY PART NO.
NO.
4 041C0902
5 041D8615
114A5163
114A5164
32
DESCRIPTION
Mounting bracket
Collar with set screws
NOT SHOWN
User's Guide
Quick Start Guide