Linear LDCO 841, Homeowner'S Manual, Page: 14 / 16

13
TROUBLESHOOTING
Flash/Beep
Trouble Code
Problem Cause Remedy
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 field 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
qualified 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 qualified garage door professional.
Number of
Beeps and
Flashes
Condition Cause Remedy
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 (included on the LDCO 863 B and optional on the
LDCO 841), and the door is stopped in the open position. Feedback is given via audible alarm and flashes.