Control Board Descriptions - Chamberlain MIRACLE-ONE Owner's Manual

C O N T R O L B O A R D S D E S C R I P T I O N S
Master/Second
1. Open or Close Relay LED
2. Control Relay LED
3. Motor Fuse (8 Amp Single) (15 Amp Master/Second)
4. J1 Battery, Surge Suppressor and Reset Button Connection
5. Strike Open LED
6. Safety Loop LED
7. Radio Receiver LED
8. Center Loop LED
9. J3 Surge Suppressor Connection
10. Central Control LED
11. Charging Power Fuse 1.5 Amp
12. Board Fuse (2 Amp Single) (3 Amp Master/Second)
13. Replace Charging Power Fuse LED
14. Replace Board Fuse LED
15. Batteries Low LED
CAUTION
To AVOID damaging the control board, replace fuses ONLY
with same type and rating specified below.
16. Charge OK LED
17. Power LED
18. Timer Active LED
19. Timer Adjustment (3 to 60 sec.) See page 26.
20. Switch - Timer, Off / On. See page 26.
21. Close Delay Overlapping Gate, Off / On, Master/Second Only.
See page 30.
22. Stop by Positive Stop Option Switch, No / Yes. See page 28.
23. Switch - Open Inside / Open Outside. See page 26.
24. Alarm Sensor LED
25. Reverse Sensor Adjustment. See page 28.
26. Reverse Sensor LED
27. System On LED
28. J4 Burglar Alarm & UL Audio Alarm Output Connector.
See page 21.
29. J2 Maglock/Solenoid Connector. See page 25.
15
Single