Chamberlain ESTATE SERIES SW 2000-X3 - Manual (Page 33)

27 of 42 Doc 01-20099 Rev F
13. GATE DOES NOT CLOSE AUTOMATICALLY
1. Reclose timer is disabled.
2. The entry system is connected to Manual Open input.
3. An input is continuously activated (stuck).
14. ALTERNATE ACTION DOES NOT WORK
1. ATG and Reclose Timer are enabled.
2. Entry system is connected to the Manual Open input.
15. GATE DOES NOT OPEN TO THE CORRECT DIRECTION
1. The power was not cycled after changing the setting of switch S2.
16. THERE IS SLACK OR PLAY IN THE GATE
1. Chain is too loose.
2. The hardware interconnecting the operator to the gate is not tight.
3. The large mounting bolt or the jam nut for the cap arm are not tight.
4. Set screws on the sprocket is not tight.
17. ATG (ANTI-TAILGATE) DOES NOT WORK
For safety reasons, ATG is not functional with Gate Types SWING and LINEAR.
18. INTERRUPT 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.
19. SHADOW LOOP IS INEFFECTIVE
1. The gate is not at either the open or close limit.
2. Bad loop sensor or loop detector.
3. Bad connection between the loop sensor, loop detector and the Control Board.
20. 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.
21. MASTER/SLAVE SYSTEM
Units work as stand-alone:
1. Miswired or disconnected Master/Slave interconnect cable.
2. Improper Master/Slave program settings.
3. Bad control board.