Chamberlain SL 1000-XI User Manual
Page 25
Rev C
Doc
6001194
(01-20259)
22 of 36
22. THERE IS SLACK IN THE GATE
1. Chain is too loose.
2. The hardware interconnecting the operator to the gate is not tight.
3. Set screws on the sprocket are not tight.
23. ATG (ANTI-TAILGATE) DOES NOT WORK
1. ATG is disabled.
2. Entry system is connected to Manual Open by mistake.
3. Safety loop or loop detector is not working properly.
24. SAFETY LOOP DOES NOT ACT PROPERLY
1. Improper gate type setting (programming step 1).
2. Bad loop sensor or loop detector.
3. Bad connection between the loop sensor, loop detector and the Control Board.
25. MAGLOCK DOES NOT WORK
1. Bad connection between Maglock, its power supply and the Control Board.
2. Bad Control Board (relay on the Control Board does not close).
3. Bad Maglock or Maglock power supply.
4. Large gap between gates.