Linear LDCO850 User Manual

13
TROUBLESHOOTING
Number of
Beeps
Condition Cause Solution
2 Low Battery Battery is low Check that AC power is connected and allow
battery to charge. It will take approximately 10
hours to charge the battery.
4 No Capacity Battery is no longer holding a charge. Replace battery now.
5 Battery Shorted Battery is internally shorted or battery
leads are shorted.
Check battery wires for shorting. If wires are
OK, replace battery now.
Battery Troubleshooting
These conditions occur when battery backup is installed, and the door is stopped in the open position. Feed-
back is given via an audible alarm.
Door Operation Troubleshooting
These conditions occur when the door is in motion or while attempting to move the door. Feedback is given
via light ashes and an audible alarm once the door stops travel.
If a battery backup is used, the opener may start moving the door
even with AC power disconnected. Use Caution when servicing.
WARNING
Number of
Flashes/Beeps
Condition Cause Solution
1
No Problem Remote control entered into
memory
Add any additional remote controls
2
Door won’t
operate
Shorted wall station wires Check wall station wires. Be sure both
are connected to the terminal screws.
Check for a staple in the wall station wires.
Remove any staples compressing the wire.
Check for frayed wires.
3
Door won’t close Safety beam obstacle Check for obstacles. Align the safety
beams.
4
Door reverses
or won’t open or
close
Open or close force exceeded Check for obstruction or binding of
the garage door. Adjust force factor
if necessary. Perform a eld reset if
necessary.
5
Door won’t open
from remote
control
Remote was activated while in
vacation mode
Activate vacation mode switch on wall
station to exit vacation mode.
6
Limit error Down limit and up limit are set too
close together
Re-set the open and close limits. If error
occurs again, contact a qualied garage
door professional.
7
Door reverses
or won’t open or
close
Encoder has detected an error Check for obstruction or binding of the
garage door. If error occurs again, contact
a qualied garage door professional.

Linear LDCO850 Specifications

General

Brand	Linear
Model	LDCO850
Category	Garage Door Opener
Language	English