Trouble shooting
Symptoms
Causes
Troubles shooting
Remedy
Door leaves open
or close
un-smoothly
Opening or closing
speed is set too slow
Too much resistance
when no power.
Check the data of opening
and closing speed.
Adjust the opening or
closing speed.
Any damager or loosen at
hangers, floor guide or
anti-drop device.
Fix the parts strongly.
Fixe the guide at the
right position.
Fix the anti-drop device.
Any obstacle on the track.
Clean the track.
Door leaves hit
each other when
closing
Stopper is fixed not
strongly.
Check the stopper.
Adjust the stopper’s
position and fix it.
Closing speed is too
fast and the buffer
distance when
closing is too small.
Check the closing speed
and buffer distance when
closing on controller.
Turn down the closing
speed, and turn up the
buffer distance when
closing.
Door not working
No power input.
Check the outside input
power.
Connection the power.
Check the fuse of power
switch.
Change a new fuse.
Door is locked.
Check the lock is working
or not.
Un-lock the door.
Connection between
motor and controller
is not good.
Check the connection is
good or not.
Connect them strongly.
Inter-lock is working.
Check it works as inter-lock
or not.
Waiting another door close.
Door does not close
Sensor is working.
Check the sensor is broken
or not.
Check any stuff at the
detecting area.
Check the sensor is fixed stably.
Use a new sensor.
Clean the detecting area.
Fix the sensor well.
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