LiftMaster LA400 Support Question
LiftMaster LA400 Support Question
Find answers below for this question about LiftMaster LA400.Need a LiftMaster LA400 manual? We have 3 online manuals for this item!
Question posted by tcallenconstruction on August 7th, 2021
What Does The Code Rpm Reversal Mean For A La400 Liftmaster Gate Operator
the diagnostic light blinks five times , the gate does not respond in any wa
Current Answers
Answer #1: Posted by Odin on August 7th, 2021 2:07 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,660
Member since:
April 10th, 2010 Points: 41,236,660
See both answers by Michael Hannigan at https://www.justanswer.com/home-improvement/8zfmt-liftmaster-la400-gate-opener-rpm-reversal-message.html.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related LiftMaster LA400 Manual Pages
LA400 Manual - Page 1
The operator can be used in Class I, Class II and Class III applications.
2 YEAR WARRANTY
Radio Receiver Built on Board
315 MHz LA400 & LA400-S
MEDIUM DUTY SWING GATE OPERATOR
OWNER'S MANUAL
MeBtOoLaaxplrtC(giXooennLMatrl)ol
Serial # Primary Arm Serial # Secondary Arm Serial # Control Box Installation Date
The LA400 is intended for use with vehicular swing gates.
LA400 Manual - Page 2
...-to-Open) Attach Brackets to Gate Operator Determine Mounting Location Measuring and Marking for the Gate Bracket Position Gate Operator on Gate Test Gate Travel Secure Post Bracket to Gate Post Secure Gate Bracket to Gate Warning Sign Placement Standard Control Box Large Metal Control Box (XLM)
WIRING
Connect the Gate Operator (Gate 1) to the Control Box Set the Bipart Delay (Model LA400-S Only...
LA400 Manual - Page 3
...-in a home of one independent secondary means of the three UL325 classes. Contact sensors such as a multi-family housing unit (five or more single family units) hotel, garage, retail store or other locations not intended to service the general public.
SAFETY ACCESSORY SELECTION
All UL325 compliant LiftMaster gate operators will accept external entrapment protection devices...
LA400 Manual - Page 7
... the non-contact sensors. Pedestrians MUST use only LiftMaster part #K74-30762 for vehicles ONLY. NO ONE SHOULD CROSS THE PATH OF THE MOVING GATE.
• Test the gate operator monthly. Failure to gate hardware. • The entrance is not moving. • KEEP GATES PROPERLY MAINTAINED.
The gate MUST reverse on contact with fuse of travel, retest the...
LA400 Manual - Page 8
...; Plug-in Transformer (1)
LA400-S (SECOND GATE OPERATOR ARM)
• Motor ...Gate Width: Maximum Gate Weight: Protection Class: Travel Speed: Rated Operating Time: Temperature:
Main Supply (Control) Dedicated Circuit: Absorbed Power: Protection Fuse Battery:
100 per day 24 Vdc 2A 48 Watts 26 Vac, 29VA or 36 Vdc, 40VA 16 feet (4.9 m) 550 lbs. (249.5 kg) NEMA 3R 14-18 seconds for a 90° opening...
LA400 Manual - Page 14
....
1
Pin
Post Bracket Assembly Hairpin Clip
Pin
2
Gate Bracket
Hairpin Clip
13
ASSEMBLE GATE POST BRACKET (PULL-TO-OPEN)
1 Assemble gate post bracket by placing Pull-to-Open bracket on the following pages display a typical Left-Hand Gate installation. INSTALLATION » ASSEMBLE GATE POST BRACKET (PULL-TO-OPEN) + ATTACH BRACKETS TO GATE OPERATOR
All the illustrations on top of post...
LA400 Manual - Page 16
... than 100°) and hold operator against gate.
2 Place the operator arm against gate post at the desired position. The gate operator (arm) must be mounted several places on gate for mounting options.
1 Open the gate to -Open bracket and post bracket and secure with clamp. INSTALLATION » POSITION GATE OPERATOR ON GATE
POSITION GATE OPERATOR ON GATE
NOTE: The post bracket assembly...
LA400 Manual - Page 17
...-to-Open bracket.
3 Ensure that the piston does not bottom out.
2
1/2" (1.3 cm)
3
Do not allow piston to the gate post using hardware. Remove the clamp and the operator, set aside. 1
2 Drill adequate holes in the gate post.
3 Secure the post bracket to fully extend or fully retract.
1/2" (1.3 cm)
SECURE POST BRACKET TO GATE POST The gate operator...
LA400 Manual - Page 18
... are large enough for the second gate before proceeding to verify that it opens and closes fully. Fence Gate Post
1
Gate
Gate Travel Path
If installing a 2nd operator, repeat the previous installation steps for the gate bracket mounting hardware.
2 Secure the gate operator to the gate with cable ties. Some installations may move the gate to the next page.
17
Inside...
LA400 Manual - Page 19
Mount the control box as high as possible for best radio reception.
1 Remove screws and open the control box.
1
2 Disconnect the reset button, alarm, and coaxial connector.
3 Loosen screws to remove the control board and mounting bracket.
4...Outs
7
A. INSTALLATION » STANDARD CONTROL BOX
MOUNT THE CONTROL BOX
The control box MUST be mounted within 5 feet (1.5 m) of the gate operator.
LA400 Manual - Page 22
...GATE 2
LEARN XMITTER
ON
OFF
LOCK /
BIPA RT DELAY
CLOSE EDGE
OPEN EDGE/ PHOTO
OPEN PHOTO
SET OPEN LIMIT
GATE 1
CLOSE PHOTO
SET CLOSE LIMIT
LEARN LIMITS
FORCE
GATE 2
ON OFF
AUTO OPEN LOW BATT
OFF MAX
SINGLE BUTTON
TIMER TO CLOSE
OPEN...
21 The second receptacle can be removed to power up additional gate operator accessories. See Accessories page. One of the control box based...
LA400 Manual - Page 25
... 32V
P1
U4
MAX
C13
C4
F6 F2
GATE 1
BRN GRN WHT YEL BLU RED
GATE 2
BRN GRN WHT YEL BLU RED
2
Operator Cable
4
Extension Cable
PVC Conduit
24 WIRING » CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY)
CONNECT THE GATE OPERATOR (GATE 2) TO THE CONTROL BOX (MODEL LA400-S ONLY) Before digging, contact local underground utility...
LA400 Manual - Page 26
... nut and watertight connector. WIRING » JUNCTION BOX (MODEL LA400-S ONLY)
JUNCTION BOX
The following items are required to complete the junction box installation:
• 4 x 4 Junction Box with connector nut. 3
Junction Box Cover
Junction Box
KKnoncokckOOutut JJuunncctitoionnBBooxx
5'W(1it.h5inm)
Gate Operator (Gate 2)
Junction Box Extension Cable
ConCnoencnetcotorr Nut
6
Nut...
LA400 Manual - Page 31
... the gate.
2 Engage the operator by pressing the SBC to the desired CLOSED position.
LEARN LIMITS button
SET OPEN LIMIT
OFF
D9 Z3 Z4
U3 D4
D1 D2
R2 R1 F3 K2
D6
4 Press the Gate 1 left button to move gate to the desired OPEN position. DIAGNOSTIC
GATE 1
SET CLOSE
PROGRAM CLOSE
6 When the SET CLOSE LIMIT LED blinks...
LA400 Manual - Page 32
.... Control board
SET
SET
GATE 2
will blink). DIAGNOSTIC
GATE 1
SET CLOSE
9 Press the LEARN LIMITS button. SET OPEN LIMIT
SET CLOSE LIMIT
The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs stop blinking, programming is now complete. (If the SET OPEN LIMIT LED continues to move the right operator into the OPEN position.
6 SET
CLOSE...
LA400 Manual - Page 33
... will blink). ADJUSTMENT » LIMITS
LIMITS
NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other gate; LEARN LIMITS button
SET OPEN LIMIT
R2 K2 U4
D4 D2
RESET BUTTON
4 Press the GATE 1 left operator. DIAGNOSTIC
GATE 1
SET CLOSE
5 Press the GATE 2 left button to open the right operator...
LA400 Manual - Page 43
... 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
... 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 ...
LA400 Manual - Page 44
... in "Party Mode". 4) Constant Open Command (Check LED's). Clear all Open/Safety devices from obstruction. Check for circuit board. TROUBLESHOOTING » TROUBLESHOOTING CHART
FAULT
OPERATOR IS DEAD No LED lights are on .
OPERATOR DOES NOT RUN Operator does not respond to resume normal operation.
GATE STOPS AND REVERSES (Force Reversal)
RPM REVERSAL
POSSIBLE CAUSE
1) No voltage to...
LA400 Manual - Page 46
...OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES. ... COVER NON-DEFECT DAMAGE, DAMAGE CAUSED BY IMPROPER INSTALLATION, OPERATION OR CARE (INCLUDING, BUT NOT LIMITED TO ABUSE, MISUSE...CALL OUR TOLL FREE NUMBER
1-800-528-2806
www.liftmaster.com
WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION...
LA400 Manual - Page 47
...The model LA400 requires two batteries. To order visit www.liftmaster.com 46
Can be welded onto gate or post. 12 Vdc operation, solenoid-...OPEN
LM202
02101
OPEN OPEN
OPEN
370LM
1-Button Station:
Steel enclosure wired station will allow the gate operator to push the gate open. SECURITY✚® Keyless Entry :
Enables homeowner to integrate with gate, providing for the operator...
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