Chamberlain BG 3000-B1 Installation And Operation Instructions Manual page 27

Barrier gate operator
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10. GATE DOESN'T STOP AT THE LIMIT
1. Limit cams are out off adjustments.
2. Limit switch cable is disconnected either from the control board or the limit switches.
3. Bad limit switch.
11. GATE IS TOO SLOW
1. Low input AC voltage
2. Hardened or frozen gate hinges.
3. Slipping belt.
12. GATE DOESN'T STAY OPEN/CLOSED WITH MANUAL/FIRE INPUTS
1. Manual inputs or Fire were only activated momentarily not continuously.
13. GATE DOES NOT CLOSE AUTOMATICALLY
1. Reclose timer setting is OFF.
2. The entry system is connected to Manual open by mistake.
3. An input is continuously activated (stuck ).
14. OPERATOR DOESN'T RESPOND TO COMMANDS FOR A MINUTE
1. A fault has occurred and Retry is set to OFF.
15. ALTERNATE ACTION DOES NOT WORK
1. ATG and Reclose Timer are ON.
2. Entry system is connected to the Manual Input by mistake.
16. GATE DOES NOT OPEN TO THE CORRECT DIRECTION
1. The power was not cycled after changing the setting of switch S2.
2. Limit switches are miswired.
17. AN OPEN GATE DOES NOT CLOSE AT POWER UP
1. An input is continuously activated (Stuck).
2. The gate was not on the open limit switch when the power went out.
3. TIMER on switch S1 is set to OFF.
18. GATE DOES NOT MOVE AFTER POWER OUTAGE
1. Bad Power Fail Option battery.
2. Miswired DC motor inputs.
3. Bad connection between the Power Fail Option harness connector and the Control Board.
4. Power Fail Option Open direction (switch S3) is not set to the correct position.
5. Battery is connected backwards, causing resettable fuse on the control board to open.
Rev C
Doc 6001287 (01-20284)
22 of 40

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