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Safety port three-wire
infrared fault
Emergency chain manual
release port fault
Communication failure
between door drive and
control box.
Short learning travel limit 1. Re-learn the travel limit
Air pressure switch (DW)
self-test failure
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."
The emergency stop
switch function is
triggered.
34
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?
1. Check if the manual release
port have short circuits
2. Manual release is not reset
3. Manual release switch failed
1. Re-plug the RJ45 interface
2. The door drive needs to be
powered off and restarted
3. Replace the 8P network
cable.
2. Encoder position data failure
1. Check the NC air switch (DW)
device performance.
2. Check the air leak possibility
from installation.
1. Re-learn the limit position.
2. Check the encoder connection
3. Replace the encoder
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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