GDO-11 Ero Installation Manual
19
20. Troubleshooting
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
Transmitter does not contain
TrioCode
TM
128 Technology
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
Plug a device of similar voltage (e.g. a hairdryer) into
the power point and check that it is OK
Replace the battery
Check that the transmitter has grey buttons and the
model number on the back displays V2. Contact
dealer for support if otherwise.
Turn off “Vacation Mode”
(Section 14)
Code in the transmitter
Ensure the correct button on the transmitter is being
pressed.
One transmitter works
but the other/s do not
Faulty transmitter
Flat battery
Replace transmitter
Replace battery
The chain moves but
the door remains
stationary
The opener is disengaged
Re-engage the opener
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
Make sure you can see the door when you use the
transmitter.
Check the battery status by pressing a button
(flashing or no light requires battery to be changed)
Aim the transmitter through the windscreen.
The Courtesy light does
not work
LED has failed
Change LED.
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.
Ensure the door runs smoothly before increasing the
force pressure.
Ensure the beam path is not obstructed. Check the
Alignment.
Auto Close not working
Safety Beam or wiring faulty
Repair Safety Beam or replace wiring.
Re-align optics. See Safety Beam instructions.
The door stops or
moves very slowly under
battery
(Optional Battery Back
Up Accessory)
The batteries may have little OR 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.