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 nhidalgo on August 1st, 2022
Can't Set Limits
When pressing learn limits button to save after setting limits, open limit light flashes again, starting the process all over again. The limits never save.
Current Answers
Answer #1: Posted by SonuKumar on August 2nd, 2022 8:07 AM
SonuKumar
Member since:
May 9th, 2021 Points: 16,621,290
Member since:
May 9th, 2021 Points: 16,621,290
Reset the control board by pressing the reset button. After the operator is reset, normal functions will resume. time you can activate the Party Mode.
reset
https://www.manualslib.com/manual/414080/Chamberlain-La400.html?page=40
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Related LiftMaster LA400 Manual Pages
LA400 Manual - Page 2
... DIP Switch Limits Force Adjustment Timer-to-Close
PROGRAMMING
Remote Controls Keyless Entry Erase All Codes Test
ADDITIONAL FEATURES
DIP Switch Settings Control Inputs Loop Inputs Photo/Edge Inputs (P6-7-8 and 9) Safety Accessories for Secondary Entrapment Protection
OPERATION AND MAINTENANCE
Reset Button Remote Control Manual Release Maintenance
TROUBLESHOOTING
Basic Control Board Layout Wiring...
LA400 Manual - Page 8
...cm)
53.5" (136 cm)
CARTON INVENTORY Carton inventory is doubled except for a 90° opening 4 Minutes -20° C to + 50° C -4° F to -Open Bracket (1) • Hex Bolt 5/16"-18 X 1-1/2" (5) • Square Neck Carriage Bolt...; Battery (2) • Plug-in Transformer (1)
LA400-S (SECOND GATE OPERATOR ARM)
• Motor Cable - Six Conductor, 40 feet (12.2 m) • Junction Box -
LA400 Manual - Page 21
...12 V
SET OPEN LIMIT
GATE 2
BR
GR
GATE 1
WH
YL
SET CLOSE LIMIT
LEARN LIMITS
BL
RD
GATE 2
FORCE
ON OFF
AUTO OPEN LOW BATT
OFF MAX
LEARN XMITTER
ON
OFF
LOCK /
BIPA RT DELAY
CLOSE EDGE
SET OPEN LIMIT
OPEN EDGE/ PHOTO
GATE 1
SET CLOSE LIMIT
LEARN LIMITS
OPEN PHOTO
GATE 2
FORCE
ON OFF
CLOSE PHOTO AUTO OPEN LOW BATT
OFF MAX
SINGLE BUTTON
TIMER TO CLOSE
OPEN
CONTROL INPUTS...
LA400 Manual - Page 22
... POWER
12 V
BR GR WH YL BL RD 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
CONTROL INPUTS
SINGLE BUTTON
RESET
OFF MAX
STOP CTRL PWR CTRL PWR
SHADOW...
LA400 Manual - Page 24
... PROPERTY
Primary Gate - This would happen if there was an ornamental overhang on one gate will need to open first and close second. WIRING » SET THE BIPART DELAY (MODEL LA400-S ONLY)
SET THE BIPART DELAY (MODEL LA400-S ONLY)
In some dual gate installations, one gate or if using a
solenoid lock, for the control box...
LA400 Manual - Page 26
... and knock out using a screwdriver and hammer. WIRING » JUNCTION BOX (MODEL LA400-S ONLY)
JUNCTION BOX
The following items are required to be used for the
watertight ...Secure with 3/4" NPT threaded port holes
• Screws • PVC Conduit
1
1 Open the junction box by removing screws (4) and set aside.
2 Select holes to complete the junction box installation:
• 4 x 4 ...
LA400 Manual - Page 28
...On
On
On
On
On
Off
Off Off Off
Off
Off
Off
Off
Air (1) Conditioner
Main Room
LA400
Bathroon. Eug. Manu. 2 Rm
27
This will create more space in a dry location that...
Conditioner Comp. Local codes and conditions must be plugged into the receptacle inside the house or garage. WIRING » CONNECT TRANSFORMER TO CONTROL BOARD
CONNECT TRANSFORMER TO CONTROL BOARD
NOTE: All power...
LA400 Manual - Page 31
... position. LEARN LIMITS button
SET OPEN LIMIT
R2 K2 U4
D4 D2
RESET BUTTON
4 Press the Gate 1 right button to move gate to start over. 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 blink, repeat programming. SET OPEN LIMIT
SET CLOSE LIMIT
The control board beeps and the SET OPEN LIMIT and SET CLOSE LIMIT LEDs...
LA400 Manual - Page 32
...GATE 1 so it will start moving before the other , the gate that is overlapping must be exited at any time by pressing the RESET button. Programming times-out automatically after 60 seconds of inactivity.
DIAGNOSTIC
GATE 1
SET CLOSE
9 Press the LEARN LIMITS button. PROGRAM OPEN
3 Press the LEARN LIMITS button (SET OPEN LIMIT LED will beep. Control board
SET
SET
GATE 2
will blink). If...
LA400 Manual - Page 33
...release lever clockwise 180°, then turning the key clockwise 180°.
SET CLOSE LIMIT
LE LIMITS
6 Press the LEARN LIMITS
SET
SET
GATE 2
OPEN
CLOSE
button.
DIAGNOSTIC
GATE 1
SET CLOSE
5 Press the GATE 2 left button to GATE 1 so it will start moving before the other , the gate that is overlapping must be set as the primary gate (GATE 1). • If one gate is overlapping...
LA400 Manual - Page 34
...stop . If the TTC is equipped a with a rigid object.
The gate must be fully open for the timer feature to activate and close the gate. The range is 0 to 180 ...flash once for a binding or sticking gate.
• If one control (force or travel limits) is factory set to a person or a vehicle. TO ADJUST THE FORCE
1 Using the 3-button remote or the Single Button Control (SBC) button...
LA400 Manual - Page 35
...NOT PROVIDED)
1
Remote Control LEARN XMITTER Button
1 Press LEARN XMITTER button and release (LED will activate twice.
The LED will flash and the alarm output will light up ).
2 Enter a 4-digit personal identification number (PIN) of your choice on the keypad.
1
Remote Control LEARN XMITTER Button
LEARN XMITTER
K5
LEARN
R1 XMITTER
2
3 Press the ENTER button on the keypad.
The LED...
LA400 Manual - Page 38
...closing gate to the open limit. Upon removing the obstruction, the gate will reactivate at the open limit.
37
blue
brown
CLOSE EDGE
OPEN EDGE PHOTO
brown blue brown blue
OPEN PHOTO
brown
blue
brown... this input while the gate is moving off of the open or close .
It will continue to open. Order part number LA400-BOX to loop detector manufacturer instructions for connections. If a...
LA400 Manual - Page 39
...optional)
MAGLOCK NO C NC
(not provided)
Flashing Strobe (optional) Siren (optional)
Fault Alarm
...SAVE ON MAGLOCK
LEARN R1 XMITTER
SINGLE NO
DUAL MODE NC EDGE
2 F3
NO
NC PHOTO
S1
K2
DIAGNOSTIC
GATE 1
K1
Q9
SET OPEN
LIMIT
SET CLOSE LIMIT
LEARN LIMITS...
F6 F2
SINGLE BUTTON
RESET
STOP
POWER
...
VOLTAGE +24 Vdc
Emitter with the LA400 to control box depending on wire gauge...
LA400 Manual - Page 40
... is made while programming the limits press the reset button to leave the gate(s) in a safe place. To set Party Mode: open position for normal daily operation and you can be disengaged from the gate.
Operator is normal and has
1
no effect on the outside of time you wish to start over. The operator is located...
LA400 Manual - Page 42
...K5 L1
1 S8
R2
OFF OFF
ON SAVE ON MAGLOCK
LEARN R1 XMITTER
SINGLE NO
DUAL MODE NC EDGE
2
F3
NO
NC PHOTO
S1
K2
DIAGNOSTIC
GATE 1
K1
Q9
SET OPEN
LIMIT
SET CLOSE LIMIT
LEARN LIMITS
R2Ø7
Z2Ø R227
J18
R224...R35
D9
C12
D27 Z3
Z4
U3
C11
OFF MAX
F7
C13
C4
F6 F2
SINGLE BUTTON
RESET
STOP
POWER
COM COM
SHADOW
LOOP INPUTS
INTERRUPT
CHGR OVLD
COM
F1 20A 32V
...
LA400 Manual - Page 43
...
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...
LA400 Manual - Page 44
... Limits instructions.
Clear gate from obstruction. See Installation section of wires. Clear all Open/Safety devices from obstruction. See Bipart Delay section for instructions. Use remote control/SBC to any commands. Replace accessory device.
43 OPERATOR DOES NOT RUN Operator does not respond to resume normal operation. GATE STOPS Gate starts to Single Button...
LA400 Manual - Page 46
... COVERED HEREBY. warrants to the first purchaser of consequential, incidental or special damages, so the above limitation may not apply to contain a defect covered by this product. THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS WITH, OR RELATING TO, THE GARAGE DOOR OR GARAGE DOOR HARDWARE, INCLUDING BUT NOT LIMITED TO THE DOOR SPRINGS, DOOR ROLLERS, DOOR ALIGNMENT OR HINGES.
LA400 Manual - Page 47
...Button Mini-Remote Control with sensing probe is housed in case of an emergency. Can be released in a small relay type housing so it is lost. Recommended for increasing the effective range of cable.
The model LA400...-activated release.
OPEN
LM202
02101
OPEN OPEN
OPEN
370LM
1-Button Station:
Steel enclosure wired station will allow the gate operator to push the gate open. CPS-LN4
...
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