Chamberlain LA500UL Wiring Diagram

To reduce the risk of INJURY or DEATH:
• DISCONNECT power and battery BEFORE installing or servicing operator.
• Replace ONLY with fuse of same type and rating.
• To be compliant with UL325 and industry safety guidelines, qualified monitored
external entrapment protection devices such as photoelectric sensors or edge
sensors are required to be installed with this operator at each entrapment zone.
Use ONLY LiftMaster approved entrapment protection devices (refer to the
accessory page of manual).
• See manual prior to servicing regarding maintenance and required safety testing.
Diagnostic Codes
TO VIEW THE CODES:
Press and hold ...then press and ...then press and hold OPEN
STOP... hold CLOSE... until "Er" shows.
The operator will show the code sequence number followed by the code number:
A SECOND LATER....
CODE SEQUENCE NUMBER CODE NUMBER
The first number shown is the most The second number shown after the code
recent code (example: "01"). The sequence number is the code itself
display will show the sequence of (31-99, example" "31").
codes that occurred starting with "01"
and going up to code "20".
CODE COLOR KEY:
LiftMaster System External Entrapment Protection
Installed System
Inherent Entrapment Protection
Informational
CODE MEANING SOLUTION
Main control board has experienced an internal Disconnect all power, wait 15 seconds, then
31 failure. reconnect power (reboot). If issue continues,
replace main control board.
32 Linear Drive Disengaged (Arm 1) Disengage then re-engage arm. Check wiring and
connections.
33 Linear Drive Disengaged (Arm 2)
Max-Run-Time Exceeded Error Check for an obstruction, then reprogram the
35
limits.
Product ID Error Was the control board just replaced? If so, erase
limits, enter limit setup mode and set limits. If
36 not, disconnect all power, wait 15 seconds, then
reconnect power before changing product ID
harness.
Product ID Failure Unplug product ID harness then plug back in.
Disconnect all power, wait 15 seconds, then
37
reconnect power before replacing product ID
harness.
38 Hard Stop Limit (Arm 1) Limit may be set too tightly against a non-
resilient hard stop (re-adjust limit). Operator may
Hard Stop Limit (Arm 2)
39
be at end of travel (re-adjust mounting).
Battery overvoltage Too much voltage on the battery. Check harness.
40 Make sure there is NOT a 24V battery on a 12V
system.
Battery overcurrent Possible short of the battery charge harness.
41 Check harness. Make sure you do NOT have a
12V battery on a 24V system.
No battery at boot up Check battery connections and installation.
Replace batteries if depleted to less than 20V on
42 a 24V system or less than 10V on a 12V system.
Make sure there is NOT a single 12V battery on a
24V system.
43 Exit Loop Error Failure or missing loop (SHORT or OPEN -
LiftMaster Plug-in Loop Detector only) Check
44 Shadow Loop Error
loop wiring throughout connection. May be a
Interrupt Loop Error
short in the loop, or an open connection in the
45
loop.
46 Wireless edge battery low Replace batteries in wireless edge.
51 Pass-point not detected (Arm 1) Check yellow pass-point wiring. If limits are not
accurate, reprogram.
52 Pass-point not detected (Arm 2)
Brownout occurred AC/DC board supply dipped below allowable
level. Review power supply and wiring. If
53
rebooting, ensure enough time for discharge of
power to force a fresh boot.
Wireless Second Operator Communication Error Check the second operator for power. If OFF,
restore power and try to run the system. If
54
powered, deactivate the wireless feature and then
reprogram the second operator.
Minimum number of monitored entrapment Review monitored entrapment protection device
protection devices not installed. connections. This swing gate operator will
60 operate only after installation of a minimum of
one external safety device in either the open or
close direction.
CLOSE EYE/INTERRUPT held more than 3 Check wired input on main control board; check
61
minutes for alignment or obstruction.
62 CLOSE EDGE held more than 3 minutes
63 OPEN EYE/EDGE held more than 3 minutes
CLOSE EYE/INTERRUPT held more than 3 Check wired input on expansion board; check for
64
minutes alignment or obstruction.
65 CLOSE EYE/EDGE held more than 3 minutes
66 OPEN EYE/EDGE held more than 3 minutes
Wireless edge triggered more than 3 minutes Check wired input for wiring issue or
67
obstruction.
68 Wireless edge loss of monitoring Check wireless edge inputs.
Wireless edge triggered IF an obstruction occurred, no action required. If
69 an obstruction did NOT occur, check inputs and
wiring.
CLOSE EYE/INTERRUPT triggered, causing IF an obstruction occurred, no action required. If
70
reversal, preventing close, or resetting TTC an obstruction did NOT occur, check alignment,
inputs, and wiring on main control board.
CLOSE EDGE triggered, causing reversal,
71
preventing close, or canceling TTC
OPEN EYE/EDGE triggered, causing reversal or
72
preventing opening
CLOSE EYE/INTERRUPT triggered, causing IF an obstruction occurred, no action required. If
73
reversal, preventing close, or resetting TTC an obstruction did NOT occur, check alignment,
inputs, and wiring on expansion board.
CLOSE EYE/EDGE triggered, causing reversal
74
and preventing close or canceling TTC
OPEN EYE/EDGE triggered, causing reversal or
75
preventing opening
Close input (EYE/EDGE) communication fault Check inputs and communication method
80
from other operator between operators, either wired bus or radio.
Ensure operator is powered. May have to erase
Open input (EYE/EDGE) communication fault
the wireless communication and reprogram the
81
from other operator
two operators.
Close input (EYE/EDGE) communication fault Check the connections between the main board
82
(expansion board) and the expansion board.
Open input (EYE/EDGE) communication fault
83
(expansion board)
Non-monitored device detected on the wireless Non-monitored contact closure devices are not
safety system supported. Make sure connected devices are
84
monitored. Check edges for proper orientation
and resistive end cap connection.
91 Force Reversal (Operator 1) Check for obstruction. If no obstruction, check
that the mechanical assembly is engaged and
Force Reversal (Operator 2)
free to move. See section on Limit and Force
92
Adjustment, and Obstruction Test in the manual.
93 RPM / STALL Reversal (Operator 1) Check for obstruction. If no obstruction, check
the operator wiring and that the mechanical
RPM / STALL Reversal (Operator 2)
assembly is engaged and free to move. Replace
94
APE assembly.
99 Normal Operation No action required
COAXIAL CABLE ANTENNA
Control Board
DIAGNOSTICS
DIAGNOSTICS
DIAGNOSTICS
DIAGNOSTICS
DIAGNOSTICS
DIAGNOSTICS
(see below)
(see below)
PLUG-IN LOOP DETECTOR
Model LOOPDETLM
Expansion Board
(Optional Accessory)
POWER
POWER
EYE EYE
1 1
ONLY ONLY
EYE/ EYE/
2 2
EDGE EDGE
EYE/ EYE/
3 3
EDGE EDGE
COM
COM
SBC
SBC
OPN
OPN
CLS
CLS
STP
STP
COM
COM
SHADOW INTERUPT EXIT
SHADOW INTERUPT EXIT
SHADOW INTERUPT EXIT
LOOPS
AUXILIARY RELAYS
Interrupt Loop
SHADOW INTERUPT EXIT
Shadow Loop
Exit Loop
Transformer
EMI BOARD
Blue
Brown
Gray
Purple
120 120 240 240
Power Wiring Sockets
Black
(120 Vac factory default)
Red
Black
Red
Bridge
Rectifier
AC Power
Switch Earth Ground Rod
Input
Power \ Connection
POWER
POWER
EYE
1
ONLY
EYE/
POWER 2
EDGE
EYE/
3
EYE
1 EDGE
ONLY
EYE/
COM
2
EDGE
EYE/
3
EDGE
Wireless Edge Kit
COM
SBC
EYE
Model LMWEKITU
1
ONLY
OPN
SBC
EYE/
2
EDGE
OPN CLS
EYE/
3 CLS
EDGE
STP
STP
COM
N.C.
COM
COM
Control Stations
SBC
Jumper
OPN
POWER
CLS
STP
COM
SWITCH SETTINGS
EYE
1
ONLY
EYE/
2
EDGE
RELAY 1 RELAY 2
1 2 3
EYE/
3
EDGE
OFF OFF OFF Relay always off Relay always off
COM
OFF OFF ON Energizes at open limit Energizes at open limit
SBC
OFF ON OFF Energizes when not at Energizes when not at
OPN
close limit close limit
CLS
OFF ON ON Energizes when motor is on Energizes when motor is on
STP
ON OFF OFF Energizes 3 seconds prior Energizes 3 seconds prior
COM
and during gate motion and during gate motion
ON ON OFF Energizes with AC or Energizes with battery
DIAGNOSTICS
solar power power
ON OFF ON Energizes when gate is Energizes when gate is
tampered with tampered with
ON ON ON LEDs will blink cycle count Not used
CONTROL BOARD
J15 Plug
Red
Diode
Battery
12V 7AH
Battery
Black
12V 7AH
10W 12V
Optional 33AH Battery Configuration
For 33AH battery configuration please use harness K94-37236.
The Large Solar Control Box (XLSOLARCONTUL) can be used with
Black
either 7AH or 33AH batteries.
WIRING DIAGRAM
Control Station
Fire Department
Access Control Device
Photoelectric Sensors
for close cycle
Photoelectric Sensors
Edge Sensor
for open cycle
for open cycle
Edge Sensor
for close cycle
OR
Maglock Solenoid Lock
(Optional) (Optional)
(not provided)
OR
24 Vdc
switched
24 Vdc
always on
Photoelectric Sensors
Photoelectric Sensor
for open or close cycle
for open or close cycle
OR
Photoelectric Sensor
for open or close cycle
OR
RED/GREEN LIGHT FUNCTIONALITY
Red light wired to AUX RELAY 1. Green light
AUX RELAY 1 SWITCHES
GATE STATE
1 OFF 2 OFF 3 OFF
DIAGNOSTICS Red light OFF*
CLOSED
OPENING Red light ON/FLASH
Red light OFF
OPEN
CLOSING Red light ON/FLASH
Defined Mid Stop
n/a
Undefined Mid
Red light ON
Stop
Timer more than
Red light OFF
5 seconds
Timer less than
Red light ON/FLASH
5 seconds
* For red light ON when gate is closed, set switch 1 on AUX RELAY 1 to ON
CONTROL BOARD
PRIMARY SECONDARY
PRODUCT
OPERATOR OPERATOR
Universal Solar Harness Kit
(K94-37236) (Optional)
Solar Panels (Optional)
20W minimum - 60W maximum,
wired in series
10W 12V Black
Red
Red Black
Red
Model LA500UL
Exit Loop
Shadow Loop
Interrupt Loop
(not provided)
Edge Sensor
for open or close
cycle
Edge Sensor
for open or close
cycle
wired to AUX RELAY 2.
AUX RELAY 2 SWITCHES
1 ON 2 ON 3 ON
Green light OFF
Green light OFF
Green light ON
Green light OFF
n/a
Green light OFF
Green light ON
Green light OFF
ID
Red
ALARM
Black
RESET BUTTON
PLUG-IN TRANSFORMER
(Optional)
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