COMMON FAULTS
&
SOLUTIONS
Operator is not working.
LCD screen is not bright.
Position missing.
While learning, the digital display
Digital display
LED light will flash quickly for 10 times.
Digital display
Operator is not working.
Digital display
LED is always on.
When remoting the door, operator stops
automatically after running 10cm.
Digital display
Operator does not work.
Hear the relay ‘kaka’ sound.
Digital display
Operator stops automatically after
running 10cm.
Digital display
Door is opening only.
Door will not close.
Digital display
The door is fully open, automatically
closes after some time.
LED lights flash 4 times.
When the door stops, the caution light
is always on.
Digital display
Operator does not work or stop working.
1. Power supply
2. Plug wire is loose
System error.
Travel less than 30cm or more than 9m.
The Garage door system is in poor
condition and needs maintenance.
The gear motor cannot self-lock
properly.
Fail to learn the up and down limit
setting / Improperly learn the up and
down limit setting.
The control panel is broken or the power
supply board is broken.
Hall sensor wire is loosed or damaged.
The wire between gear motor and board
is loose.
The wire between gear motor and board
is plugged inversely.
Photo cell function has been effective
without connecting any photo cell
device.
Automatic closing function is turned on.
The power board is broken.
Insufficient voltage.
1. Check if the motor socket is energised
2. Check fuse
3. Check if the low-voltage wire of
transformer is connected to the power
board
4. Check if the ribbon cable is plugged in
5. Check if there is 26V AC at the
transformer low-voltage side, if there is
26V AC, replace the PCB, if not, replace the
transformer
Re-set the limit traveling.
Re-set the limit traveling.
The garage door and motor need total
maintenance.
Replace the gear motor.
Learn “UP” and “DOWN” limit traveling again
follow the manual.
Replace the control board or power board.
Open the cover, check the Hall sensor wire,
re-plug or replace.
Open the cover and check the wire between
gear motor and board.
Power off firstly, open the cover and reverse
the plug wire between gear motor and
board. Re-set limit traveling.
Turn off the photo cell function if there is
not any photo cell device connected.
(Refer the instruction manual)
2. Check if the photo cell is connected
correctly, or if there is any obstruction
between the photo cell.
Set the automatic closing time, or turn off
the automatic closing function.
(Refer the instruction manual)
Replace the power board.
Check the power supply.
Fault Appearance
Fault Cause
Solutions
27
