INSTALLATION MANUAL / MI0315.1
www.jnf.pt
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9. TROUBLESHOOTING
SYMPTOMS
CAUSES
ITEMS CHECKED
REMEDY
door opens/closes
unsmoothly
opening/closing
speed is set too
slow
check the opening/
closing speed
speed up the opening/closing
speed
learning speed is
too fast
check the learning
speed
slow down the learning speed
too much
resistance
check whether
there is something
on the door’s
working way
clear the obstacle away
hits the door frame
suddendly when
closing
buffer speed when
opening/closing is
too fast
slow down the buffer speed
when opening/closing
stopper is loosen
fix the stopper
door does not
work
no power
check the power
switch connection
terminal from
motor to controller
connect the power
learning speed is
too slow
speed up the learning speed
door is locked
check whether the
door is locked
unlock the door
obstacle in the pull
bar guide
check the pull bar
guide
remove the obstacle
resistance force is
too strong
power off, push the door leaf.
make sure the door works
smoothly
door can not
open
there is an obstacle
in the path
remove the obstacle
learning speed is
too slow
adjust the learning speed (faster)
EN
Summary of Contents for IN.21.900
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