Chamberlain SL 1000-X3 - Manual (Page 30)

Rev J Doc 01-20098 Page 30 of 44
4. IF STUCK-LIMIT LED IS TURNED ON
1. A limit switch is stuck closed.
2. The belt was broken before the start of the gate movement.
3. Stalled motor at open or close limit.
4. Bad limit switch.
5. IF MAX RUN TIME LED IS TURNED ON
1. Limit cams do not engage the limit switches.
2. The belt or chain has been broken.
3. The belt slips during gate movement.
4. Limit switch cable is disconnected.
5. Bad limit switch.
6. Stalled
motor.