Page 18 of 20
75.0034.03 ULTIMO 20220120
TROUBLESHOOTING
RED LED flashes
quickly after a setup
The sensor sees the door during
setup.
Move the AIR curtains away from the door.
Ensure that the bottom of the sensor is
mounted within 5” of the bottom of the door
header.
Launch a new assisted setup.
RED LED illuminates
sporadically
The sensor vibrates.
Check if the sensor is secure. Ensure that the
header cover screws and mounting screws
are tight.
Check position of cable and sensor cover.
The sensor sees the door in a
non-threshold application.
Turn on the visible red spots and adjust the
angle of the AIR curtains.
The sensor is disturbed by
external conditions.
Change the AIR immunity filter and AIR
frequency.
RED LED flashes
quickly when
unlocking
The sensor is protected by a
password.
Enter the correct password. If you forgot
the code, cut and restore the power supply
to access the sensor without entering a
password during 1 minute.
?
RED Visible External
Monitoring (Test
Indication LED) does
not flash
Monitoring installation/setup
error.
Verify door control is capable of monitoring
and the sensor monitoring wires are properly
connected to the door control.
Verify monitoring (TEST) is ON in the sensor
settings.
Sensor malfunction.
Replace the sensor.
RED Visible External
Monitoring (Test
Indication LED) flashes
continuously
Wiring issue.
Verify wiring.
Door control not set correctly.
Verify door control monitoring set to correct
test logic according to the door control.
LT1 - Assisted Setup
Error
IR:Curtain set to 1, 2, 4, or 5,
C2 and/or C3 interfering with
door during closing cycle
Increase tilt angle of the interfering curtain
to move the curtain away from the threshold
(see pages 9 – 10).
LT2 - Assisted Setup
Error
IR:Curtain set to 1, 2, 4, or 5,
C2 and/or C3 interfering with
door during opening cycle
Increase tilt angle of the interfering curtain
to move the curtain away from the threshold
(see pages 9 – 10).
LT3 - Assisted Setup
Error
IR:Curtain set to 1, 2, 4, or 5,
C1 not on door threshold
Decrease tilt angle of the interfering curtain
to place the curtain on the threshold (see
pages 9 – 10).
N1 - Assisted Setup
Error
IR:Curtain set to 3, 6, or 7, C2
and/or C3 interfering with door
during closing cycle
Increase tilt angle of the interfering curtain
to move the curtain away from the threshold
(see pages 9 – 10).
N2 - Assisted Setup
Error
IR:Curtain set to 3, 6, or 7, C2
and/or C3 interfering with door
during opening cycle
Increase tilt angle of the interfering curtain
to move the curtain away from the threshold
(see pages 9 – 10).
troubleshooting continues on the next page
RED LED
