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Fault
appearance
Fault cause
Solutions
Opener without any
action
1. Power supply
2. Plug wire is loose
1. Check the power supply to openers.
2. Carefully open the motor cover, check all plug wire on control boards.
Opener doesn
’t work,
LED displays
“-”
Faulty learning of
“UP” or “DOWN”
travel limit
Learn
“UP” and “DOWN” travel limit again follow the manual
The door can only open,
can not close
In operation with photo beam.
Or photo beam function is available but
with no photo beam connected.
Check photo beam, move away the obstruction.
Cancel the photo beam function if there
’s no photo beam connected. (follow the
instruction manual)
Open and close action is
reversed
Reversed connection of the positive
and negative of motor wire to the
control board.
*
Power off firstly, open the motor cover and reverse the positive and negative of
motor wire on the control board. Re-set the travel limit.
Door auto reverse to full
open before closing
completely
In operation with safety reverse
function. Obstruction or door
maintenance required
1. Check the door springs and for any obstructions
2. Re-set the travel limit.
3. Increase the force value of safety reverse.
Transmitter doesn
’t work
1. Flat battery
2. Antenna is loose or not well
extended
3. Interference around nearby
1. Replace new battery
2. Extend the antenna on the opener
3. Eliminate signal interference ( door bells, baby monitor, alarm etc)
Can not match new
transmitters
1. Memory is full
2. New transmitters are not compatible
with opener
1.
Press and hold on
“CODE” button for more than 8 seconds until the LED flashes
“C”, delete all stored codes, then match new transmitters again.
2. Choose our transmitters only.
LED displays
“
C
”, opener
does not work
1. Motor plug wire is loose
2. Control board is damaged
1. Re-insert motor plug wire
*
2. Replace new control board
LED displays
“
H
”, opener
does not work
1. Motor is damaged
*
1. Replace new motor
LED displays
“
H
” after
opener operates several
centimeters only
1. Hall element wire plug loose
between hall element and control
board.
2. Hall element or control board is
damaged
1. Check the wire plug
*
2. Check the hall element
*
3. Replace control board
Note: Only the qualified professional person can carry out the maintenance marked with
“
*”
.