The maintenance alarm
cycle reaches
1. Notify maintenance personnel
to maintain the door and drive
Safety port three-wire
infrared fault
1. The three-wire
infrared electric photo eye is
blocked
2. Three-wire infrared
electric photo eye failure
3. Is the three-wire
infrared electric photo eye a
product of our company?
Communication failure
between door drive and
control panel.
1. Re-plug the 8P
ribbon cable
2. The door drive
needs to be powered off and
restarted
3. Replace the 8P
ribbon cable
Short learning travel limit
1. Re-learn the travel
limit
2. Encoder position
data failure
Air pressure switch (DW)
self-test failure
1. Check the NC air switch (DW)
device performance.
2. Check the air leak possibility
from installation.
During the self-learning of
the travel limit, if the rotor
is blocked or the encoder
is faulty, the buzzer will
sound once and display
"EE."
1. Re-learn the limit
position.
2. Check the encoder
connection
3. Replace the encoder
The emergency stop
switch function is
triggered.
1. Check whether the
emergency stop switch is
pressed
2. Whether the
emergency stop switch uses a
normally closed (NC) switch
3. Whether the
external port STOP
short-circuit connection is
loose
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