LiftMaster LA400 LA400 Manual - Page 43

TROUBLESHOOTING » WIRING DIAGRAM + DIAGNOSTIC CODES To protect against fire and electrocution: • DISCONNECT power and battery BEFORE installing or servicing operator. For continued protection against fire: • Replace ONLY with fuse of same type and rating. WIRING DIAGRAM Solenoid Lock (optional) MAGLOCK NO C NC Maglock (optional) MAGLOCK NO C NC (not provided) Flashing Strobe (optional) (not provided) 1. ANTENNA INPUT 2. CLOSE EDGE 3. OPEN EDGE/PHOTO EYE 4. OPEN PHOTO EYE 5. CLOSE PHOTO EYE 6. 24VDC ACCESSORY OUTPUT 7. CONTROL INPUTS/EXIT LOOP 8. LOOP INPUTS, SAFETY/SHADOW 9. TRANSFORMER INPUT 10. SECOND - OPERATOR ARM CONNECTION 11. 24VDC ACCESSORY OUTPUT 12. MASTER OPERATOR ARM CONNECTION 1 ANTENNA CONNECTION 13. MAGLOCK/SOLENOID OUTPUT 14. FAULT ALARM OUTPUT 15. BATTERY INPUT #1 16. BATTERY INPUT #2 17. DIP SWITCH, S1 18. LEARN XMITTER 19. MASTER GATE JOG 20. LIMIT SET 21. SECOND GATE JOG 22. SBC (SINGLE BUTTON CONTROL) 23. FORCE SET 24. BIPART DELAY SET 25. TIMER TO CLOSE SET BLUE YELLOW J 1 BLACK RED BLACK RED Siren (optional) Fault Alarm GATE 1 GATE 2 14 13 B R N G R N W HT YE L B L U R E D 12 11 B R N G R N W HT YE L B L U R E D 10 (OR OPTIONAL EARTH GROUND WIRE) YELLOW/GREEN GROUND P1 D6 O1 2 3 4 5 N P2 R223 ALARM NO C MAGLOCK NO C NC Z1 GATE 1 BRN GRN 10A 32V D1ÿ WHT YEL BLU RED Z12 J19 K6 K5 L1 17 1 S8 R2 OFF OFF ON SAVE ON MAGLOCK LEARN SINGLE DUAL MODE R1 XMITTER NO NC EDGE NO NC PHOTO 2 S1 F3 K2 18 19 DIAGNOSTIC K1 Q9 SET OPEN LIMIT 20 GATE 1 SET CLOSE LIMIT LEARN LIMITS R2ÿ 7 Z2ÿ R227 J18 R224 Z22 R92 U4 R91 R94 R93 CLOSE EDGE OPEN EDGE/ PHOTO Z9 OPEN PHOTO Z8 CLOSE PHOTO 24V ACCESSORY R9ÿ POWER 24V GATE 2 BRN GRN WHT YEL BLU RED 10A 32V R4 C2 J4 D15 R196 24 VAC/ INPUT MOV2 GATE 2 TIMER RUNNING 22 COM OVLD OVLD SWITCHED ACCESSORY POWER R1ÿ 1 21 24 FORCE BIPART DELAY TIMER TO SINGLE CLOSE BUTTON OPEN CONTROL INPUTS R1ÿÿ 23 F4 ACCESSORY OVLD K4 F5 D21 K3 D8 Q22 D22 MIN MAX OFF MAX R35 D9 C12 D27 Z3 Z4 U3 OFF MAX F7 C13 C4 SINGLE BUTTON RESET 25 S T O P COM POWER COM SHADOW LOOP INPUTS INTERRUPT C 1 1 CHGR OVLD F6 F2 F1 20A 32V COM MOV1 JMPR2 DB1 C64 U2 R9 D1 JMPR1 D4 D2 FUSE OPEN BATT 2 BATT 1 2 OR EDGE 3 OR EDGE EDGE CPS-LN4 OR EDGE 4 PHOTO OR PHOTO CPS-LN4 OR 5 CPS-LN4 OR OR PHOTO PHOTO 6 24VDC OUTPUT SWITCHED OFF IN LOW POWER MODE OPEN (EXIT LOOP) SINGLE BUTTON RESET S T O P COMMON (+24VDC) COMMON (+24VDC) 7 SHADOW LOOP INTERRUPT LOOP COMMON (+24VDC) 8 NOTE: Yellow/green wire must 9 be disconnected when earth ground rod is installed. 16 15 NOTE: Batteries must be connected to operate. # OF BLINKS 1 2 3 4 5 DIAGNOSTIC CODES MEANING No Stop Switch Connected Gate 1 Arm Disengaged Gate 2 Arm Disengaged Both Gate Arms Disengaged RPM Reversal # OF BLINKS 6 7 8 9 10 42 MEANING Force Reversal Processor Reset ROM Check Failed RAM Check Failed EEPROM Check Failed - Reset Limits