LA400 Manual
Page 2
... WIRING Connect the Gate Operator (Gate 1) to the Control Box Set the Bipart Delay (Model LA400-S Only) Connect the Gate Operator (Gate 2) to the Control Box (Model LA400-S Only) Junction Box (Model LA400-S Only) Connect Transformer to Control Board Earth Ground Rod Installation (Optional) Connect Batteries 1-6 1...for Secondary Entrapment Protection OPERATION AND MAINTENANCE Reset Button Remote Control Manual Release Maintenance TROUBLESHOOTING Basic Control Board Layout Wiring Diagram Diagnostic Codes Troubleshooting Chart REPAIR PARTS Control Box Gate Operator Arm How to Order Repair Parts ...
... WIRING Connect the Gate Operator (Gate 1) to the Control Box Set the Bipart Delay (Model LA400-S Only) Connect the Gate Operator (Gate 2) to the Control Box (Model LA400-S Only) Junction Box (Model LA400-S Only) Connect Transformer to Control Board Earth Ground Rod Installation (Optional) Connect Batteries 1-6 1...for Secondary Entrapment Protection OPERATION AND MAINTENANCE Reset Button Remote Control Manual Release Maintenance TROUBLESHOOTING Basic Control Board Layout Wiring Diagram Diagnostic Codes Troubleshooting Chart REPAIR PARTS Control Box Gate Operator Arm How to Order Repair Parts ...
LA400 Manual
Page 7
Read the ownerʼs manual. Have a qualified service person make repairs to operator BEFORE proceeding. TROUBLESHOOTING To protect against fire: • Replace ONLY with fuse of INJURY or DEATH. • Use the emergency release ONLY when the ...PROPERLY MAINTAINED. Failure to persons use separate entrance. • Disconnect ALL power before performing ANY maintenance. • ALL maintenance MUST be performed by a LiftMaster professional. • SAVE THESE INSTRUCTIONS. To avoid SERIOUS personal INJURY or DEATH from the gate. To reduce the risk of travel, retest the gate ...
Read the ownerʼs manual. Have a qualified service person make repairs to operator BEFORE proceeding. TROUBLESHOOTING To protect against fire: • Replace ONLY with fuse of INJURY or DEATH. • Use the emergency release ONLY when the ...PROPERLY MAINTAINED. Failure to persons use separate entrance. • Disconnect ALL power before performing ANY maintenance. • ALL maintenance MUST be performed by a LiftMaster professional. • SAVE THESE INSTRUCTIONS. To avoid SERIOUS personal INJURY or DEATH from the gate. To reduce the risk of travel, retest the gate ...
LA400 Manual
Page 31
... will blink). DIAGNOSTIC GATE 1 SET CLOSE PROGRAM CLOSE 6 When the SET CLOSE LIMIT LED blinks, press the Gate 1 right button. If the problem continues, see Troubleshooting section.) Test the limits by turning the release lever clockwise 180°, then turning the key clockwise 180°. DIAGNOSTIC GATE 1 SET CLOSE OR SINGLE...
... will blink). DIAGNOSTIC GATE 1 SET CLOSE PROGRAM CLOSE 6 When the SET CLOSE LIMIT LED blinks, press the Gate 1 right button. If the problem continues, see Troubleshooting section.) Test the limits by turning the release lever clockwise 180°, then turning the key clockwise 180°. DIAGNOSTIC GATE 1 SET CLOSE OR SINGLE...
LA400 Manual
Page 32
... 3 Press the LEARN LIMITS button (SET OPEN LIMIT LED will beep. DIAGNOSTIC GATE 1 SET CLOSE 9 Press the LEARN LIMITS button. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to blink, repeat programming. DUAL GATE (LEFT-SIDE PRIMARY OPERATOR) 1 Close the gate. 2 Engage the operator by...
... 3 Press the LEARN LIMITS button (SET OPEN LIMIT LED will beep. DIAGNOSTIC GATE 1 SET CLOSE 9 Press the LEARN LIMITS button. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to blink, repeat programming. DUAL GATE (LEFT-SIDE PRIMARY OPERATOR) 1 Close the gate. 2 Engage the operator by...
LA400 Manual
Page 33
... the gate. 2 Engage the operator by turning the release lever clockwise 180°, then turning the key clockwise 180°. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to open and close the left operator. PROGRAM CLOSE 7 When the SET CLOSE LIMITS LED blinks, press...
... the gate. 2 Engage the operator by turning the release lever clockwise 180°, then turning the key clockwise 180°. If the problem continues, see Troubleshooting section.) Test the limits by pressing the SBC to open and close the left operator. PROGRAM CLOSE 7 When the SET CLOSE LIMITS LED blinks, press...
LA400 Manual
Page 42
Jog Learn Limit Single Button Force Bipart Delay Timer-to-Close Receiver Program Remote Gate 1 - Jog Learn Limit Learn Limits Gate 2 - P1 D6 O1 2 3 4 5 N TROUBLESHOOTING » BASIC CONTROL BOARD LAYOUT BASIC CONTROL BOARD LAYOUT 20 19 17 26 1 14 13 18 12 11* 10 21 P2 R223 ALARM NO C MAGLOCK ...
Jog Learn Limit Single Button Force Bipart Delay Timer-to-Close Receiver Program Remote Gate 1 - Jog Learn Limit Learn Limits Gate 2 - P1 D6 O1 2 3 4 5 N TROUBLESHOOTING » BASIC CONTROL BOARD LAYOUT BASIC CONTROL BOARD LAYOUT 20 19 17 26 1 14 13 18 12 11* 10 21 P2 R223 ALARM NO C MAGLOCK ...
LA400 Manual
Page 43
... 19. For continued protection against fire and electrocution: • DISCONNECT power and battery BEFORE installing or servicing operator. OPEN EDGE/PHOTO EYE 4. FORCE SET 24. TROUBLESHOOTING » WIRING DIAGRAM + DIAGNOSTIC CODES To protect against fire: • Replace ONLY with fuse of same type and rating.
... 19. For continued protection against fire and electrocution: • DISCONNECT power and battery BEFORE installing or servicing operator. OPEN EDGE/PHOTO EYE 4. FORCE SET 24. TROUBLESHOOTING » WIRING DIAGRAM + DIAGNOSTIC CODES To protect against fire: • Replace ONLY with fuse of same type and rating.
LA400 Manual
Page 44
.../Safety devices from obstruction. Check DIAG code, clear obstruction. Turn applicable switches on Obstruction Reversal. 3) Operator in "Party Mode". 4) Constant Open Command (Check LED's). TROUBLESHOOTING » TROUBLESHOOTING CHART FAULT OPERATOR IS DEAD No LED lights are on . 3) Loose/disconnected wires. 4) Bad accessory device FIX Battery must be >23 V, AC or needs to...
.../Safety devices from obstruction. Check DIAG code, clear obstruction. Turn applicable switches on Obstruction Reversal. 3) Operator in "Party Mode". 4) Constant Open Command (Check LED's). TROUBLESHOOTING » TROUBLESHOOTING CHART FAULT OPERATOR IS DEAD No LED lights are on . 3) Loose/disconnected wires. 4) Bad accessory device FIX Battery must be >23 V, AC or needs to...