Controll-A-Door
®
S SDO-3
Home Owner’s Manual
12
9. Troubleshooting Guide
Symptom
Possible cause
Remedy
The opener does
not work from the
transmitter
Garage door in poor condition e.g.
springs may be broken
The opener does not have power
The battery in the transmitter is flat
The opener has been put into
“Vacation Mode”
The transmitter button is not
programmed to operate the door.
Door Code LED is flashing yet the
opener is not working.
Check the door’s operation - see
monthly maintenance (Section 10.1)
Plug a device of similar voltage
(e.g. a hairdryer) into the power
point and check that it is OK
Replace the battery (Section 10.6)
Turn off “Vacation Mode”
(Section 8.3, step e)
See coding transmitter procedure
(Section 8.1)
Ensure the correct button on the
transmitter is being pressed.
The chain moves but the
door remains stationary
The opener is disengaged
Re-engage the opener
(Section 6.4)
Motor is running but
chain is not moving
Damage motor assembly
Contact your dealer for support.
The transmitter range
varies or is restricted
Variations are normal depending
on conditions e.g. temperature or
external interference
The battery life is exhausted
Position of the transmitter in the
motor vehicle
See instructions for correct use of
transmitter (Section 4)
Refer to battery status (Fig 10.3)
Change the position (Section 4)
The Courtesy light does
not work
Globe has failed
Contact your dealer for support.
The door reverses for no
apparent reason
This may occur occasionally from
environmental conditions such as
areas that are windy, dusty or have
extreme temperature changes.
If Safety beams are installed they
may be partially obstructed.
Put the door into manual (Section
6.1, take note of the CAUTION) and
contact your dealer.
Ensure the beam path is not
obstructed. If continues, contact
your dealer.
The door opens but will
not close
Safety Beam (Optional Accessory)
not operating correctly
Contact your dealer for support
The door stops or moves
very slowly under battery
(Optional Battery Back
Up Accessory)
The batteries may have little to no
charge
Connect mains power and leave the
batteries to charge. The batteries
may take 24 to 48 hours to reach
their maximum charge capacity.
