77700-084
Rev.
G
07/02
Page
13
of
13
75.0073 Nov 01 [Rev 8/8/2002]
TROUBLESHOOTING
SENSOR WILL NOT SET-UP UPON INITIAL POWERING
1. Check terminal 1 & 2 for proper voltage - 24 Volts AC/DC + 10%.
2. Make certain that the field of detection is all clear during the set-up and that all lenses are installed on the sensor. If detection of
movement is encountered upon initial set-up, the sensor will continuously flash Green at +/- 2 Hz. The sensor will also not set-up if
permanent stationary objects are extremely close to the sensor. Ensure that, not only the detection field is clear, but also that the
sensor is mounted properly. If the optional mounting block is not used, and the backside of the sensor is less than 3” to the face of
the door, it may be in saturation due to the door. Install the optional mounting block if necessary.
3. Ensure that all wiring connections have been properly made. Refer to wiring diagrams on Page 4,5 and 6.
SENSOR WILL NOT SET-UP AFTER PROGRAMMING
1. Ensure that no movement is occurring within the field of detection. If the sensor detects movement beyond 20 seconds in its field
while set-up is taking place, the Green LED will begin flashing at a slower rate of + 1 Hz to indicate an unsuccessful set-up. If this
occurs, check to ensure that the backside of the sensor is more than 3” to the face of the door, it may be in saturation due to the
door. If there is adequate distance, increase the angle of detection to 10° and try the set-up again. Make sure that all lenses are in
place before initiating a set-up.
2. If the sensor successfully completes a set-up upon powering, but then will not set-up after programming, reset all parameters to the
factory default by pressing
followed by number 3 or simultaneously pressing PB1 & PB2 at the right side of the sensor (see
page 11).
3. Start the programming procedure over, if successful set-up cannot be obtained thereafter, replace faulty sensor.
DOOR WILL NOT OPEN ONCE SET-UP HAS BEEN COMPLETED
1. Check to ensure that there is no detection occurring at the sensor. If the Red LED is on steady, there is detection. Make sure there
have been no changes in the field of detection since set-up. If permanent changes have occurred, launch a new set-up and re-test
door.
2. Check the setting of the Relay Mode. Relay should be set to Active Mode for most applications. Refer to page 7 “To Inquire About
A Setting.” When the relay is in the Active Mode, the relay contacts will be closed when the Red LED is on, and open when the
Red LED is off. If the relay output, when tested with an Ohm Meter, is closed regardless of the Red Led, and the Relay Mode is set
to “Active Mode”, replace faulty sensor.
3. Disconnect safety wire from door control. Activate door - if door still does not open, the fault lies within the automatic door control,
not the sensor. If door does open, re-connect wires.
DOOR WILL NOT CLOSE OR SENSOR WILL NOT INHIBIT DURING CLOSING
1. If the Red LED is illuminated, launch a new set-up for the “door open” position. If Red LED goes out after Set-Up, walk-test the
pattern and tune if necessary.
2. If Red LED comes back on when door goes open after new set-up, the sensor may not be going into the “door open” pattern.
3. Ensure that the wires are connected properly.
GREEN LED FLASHES STEADILY AT A RATE OF+ 2Hz
If the sensor has tried to launch a new set-up after the expiration of the Automatic Learn Time due to a permanent change in the
field of detection, and there is continual movement in the field, the sensor will flash the Green Led indefinitely until movement has
stopped. This may also occur if there is an object that is extremely close to the sensor, thereby causing saturation. Once the object
or movement has been eliminated, clear the field of detection. The sensor should set-up within 5 seconds and the Green LED
should go out. Walking in and out of the detection field should cause the Red LED to come on and go out respectively thereafter.
RED LED FLASHES SLOWLY AT A RATE OF + 1 Hz
1. Unsuccessful set-up has occurred. Complete a new set-up according to Quick Reference Guide procedures on Page 2.
2. If problem persists, return all parameters to the factory defaults by pressing
followed by number 3 or simultaneously pressing
PB1 & PB2 at the right side of the sensor (page 9).
3. Launch a new set-up. If Red LED continues to flash slowly, replace faulty sensor.
RED LED DOES NOT FLASH WHEN UNLOCKING FROM THE REMOTE CONTROL
1. Replace faulty batteries in remote control
2. If problem persists, the remote control or the sensor may be faulty. If possible, test the remote control on a working sensor. If
remote control works, replace faulty sensor. If not, replace the remote control. At this point set-up may be accomplished according
to page 10, “Non Remote Set-Up”.
DO NOT
leave any problem unresolved. If you must wait for the following workday to call Dor-O-Matic, leave the door inoperable until
satisfactory repairs can be made.
NEVER
sacrifice the safe operation of the automatic door or gate for an incomplete solution.
