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COMMON FAULT & SOLUTIONS
Fault appearance
Fault cause
Solutions
Opener without any
action
1. Power supply
2. Plug wire are loosing
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 IR Beam.
Or IR Beam function is available
but with no IR Beam connected.
Check IR Beam, move away the obstruction.
Cancel the IR Beam function if there’s no IR
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 closed
completely
In operation with safety reverse
function. Because some old
doors with not well balanced
springs or there’s some block
1. Check the door springs or any blocks
2. Re-set the travel limit.
3. Increase the force value of safety reverse.
Transmitter doesn’t
work
1. Flat battery
2. Antenna is loosed or not well
extended
3. Interference around nearby
1. Replace new battery
2. Extend the antenna on the opener
3. Get rid of interference
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 “Ξ”,
opener does not work
1. Motor is damaged
1.Pull the release cord down firmly.
*
2. Replace new motor
LED displays “Ξ”,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
The LED lamp
flash,and displaying “A”
flash
Opener working circles exceeds
the maximum safety and need
for maintenance
*
Suggest you contact the maintainers to
conduct security check
Note: Only the qualified professional person can carry out the maintenance marked with “
*”.