44
Photo Eye N/C contact monitoring -
1. Verify that DS1 dip switch 10 is ON press down on the right hand
side.
2. Verify that dip switch DS1 switch 8 (photo eye monitor) is ON press
down on the right hand side.
3. Turn dip switch DS1 3 and 4 OFF. Allows power to be applied to
photo eye.
4. Press and hold the LED indicator button located on the control
board.
5. Verify that D11 LED (Photo eye N/C 2nd entrapment) located bottom
left corner of the control board is ON.
6. If not verify alignment between photo eye transmitter and receiver.
Correct if necessary.
7. If not then check wire connection from photo eye for proper
connection. See page 18.
8. If D11 is ON verify that the D11 Led goes OFF when photo eye
beam is broken.
9. If D11 does not turn OFF when beam is broken then photo eye is
bad.
3. Emergency release
knob cannot be
pulled.
1. If the emergency release knob cannot be pulled, rst verify that it is
not already pulled by trying to roll the gate. If gate will not move, try
to pull the emergency release knob while agitating the gate (shake
gate in direction of travel).
2. Emergency release knob that is difcult to pull represents something
is in a bind. Check the gate wheels and guide rollers. Verify the
chain is on all the rollers and not twisted or overly tight.
NOTE: DO NOT ATTEMPT TO MODIFY ANY SCREWS ON
THE DRIVE SHAFT.
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