Installation manual
20
GDO-8V2 EasyRoller® II Owner Installation Instructions
Door Status Indicators
Symptom Possible cause Remedy
Door will not operate Mains power not switched on.
Door is obstructed.
Door is locked or motor jammed.
Door tracks/hardware damaged.
Switch on mains power.
Remove obstruction.
Unlock door or remove jam.
Door requires service/repair by 
qualifi ed technician.
Door starts to close but 
automatically reverses to 
open position
Adverse weather conditions (wind 
or cold) causing door to stiffen and 
become tight in the tracks.
Possible obstruction in the 
doorway.
Increase force margin setting 
See Step 8.3 on page 13. Or re-
calculate force margin.
Remove obstruction.
Door operates from drive unit 
(OPERATE) button but not from 
transmitter*
See note
Transmitter code not stored in 
memory.
Flat battery.
Code transmitter in to openers 
memory. Refer step 9.1 on page 
16
Replace battery - A23 Alkaline 12V.
Door will not open or close fully. Door limits position need to be 
reset.
Door limits position need to be 
reset. See Page 14.
Door is overshooting or not 
reaching limits.
Datum position not set correctly. Reset datum position. See Step 6.2 
Page 13
Cannot set limits. Datum position not set correctly. Reset datum position. See Step 6.2 
Page 13
Door not working with PE installed. PE Beam or wiring faulty.
PE Beam not aligned correctly.
PE Beam is obstructed.
Door obstructed when closing.
Repair PE Beam or replace wiring.
Re-align optics. See PE 
Instructions.
Remove obstruction from the path 
of PE.
Remove obstruction.
PLEASE NOTE:
Some areas may be prone to excessive radio interference brought on by devices such as cordless telephones, 
wireless stereo headphones and baby monitors. It is possible that these devices could cause a degree of 
interference such as to greatly reduce the range of the transmitter. In such an instance please contact your 
Automatic Technology dealer for an alternative frequency replacement kit. As this is not a warrantable situation 
but an environmental issue charges may apply for the changeover.
Trouble shooting










