LiftMaster HCTDCUL HCTDCUL Wiring Diagram

DIAGNOSTICS

EYE

ONLY

EYE/

EDGE

EYE/

EDGE

COM

1

2

3

OPEN

CLOSE

SBC

OPN

CLS

STP

COM

CLOSE

10W 12V

+

-

--

3

2

1

AUXILIARY RELAYS

LOOPS

Shadow Loop

Exit Loop

Interrupt Loop

Normally Open

Common

Normally Closed

Normally Open

Common

Normally Closed

SWITCH SETTINGS

1

2

3

RELAY 1

RELAY 2

OFF

Relay always off

Relay always off

OFF

OFF

OFF

OFF

ON

Energizes at open limit

Energizes at open limit

OFF

OFF

ON

Energizes when not at

close limit

Energizes when not at

close limit

OFF

ON

ON

Energizes when motor is on

Energizes when motor is on

ON

OFF

OFF

Energizes 3 seconds prior

and during gate motion

Energizes 3 seconds prior

and during gate motion

ON

OFF

ON

Energizes with AC or

solar power

Energizes with battery

power

ON

ON

OFF

Energizes when gate is

tampered with

Energizes when gate is

tampered with

ON

ON

ON

LEDs will blink cycle count

Not used

Solar (Optional)

7AH Batteries

J15 Plug

on Solar Battery

Harness

(K94-36891)

Diode

CONTROLS

ACCESSORY

POWER

ENTRAPMENT

PROTECTION

24 Vdc

switched

OR

OR

24 Vdc

always on

Photoelectric Sensors

for open or close cycle

Photoelectric Sensor


Edge Sensor

for open or close

cycle

Edge Sensor

for open or close

cycle

Photoelectric Sensor


Expansion

Board

(see below)

Control Board

COAXIAL CABLE

ANTENNA

Control Station


for close cycle

Edge Sensor

for close cycle

OR

Edge Sensor

for open cycle


for open cycle

ENTRAPMENT

PROTECTION

LOOPS

Fire Department

CONTROLS

Jumper

N.C.

Solar Panels (Optional)

20W minimum - 60W maximum,

wired in series

The BIPART DELAY switch is used to select the opening speed.

BIPART DELAY OFF (default) = 8 in./sec. open speed.

BIPART DELAY ON

(fast) = 11 in./sec. open speed .

External Reset Button

Jumper

N.C.

APS ENCODER

Black

Red

BRIDGE

RECTIFIER

Orange

Black

Red

Black

Red

Orange

ALARM

Power Wiring Connector

Power Wiring

Sockets

(120 Vac factory default)

EMI BOARD

Input Power Connection

TRANSFORMER

Battery

12V 7AH

Battery

12V 7AH

Gray

Blue

Brown

Purple

HOT

NEUTRAL

GROUND

CONTROL BOARD

J15 Plug

White

White

Black

Red

Red

RESET BUTTON

Motor

PRODUCT ID

Black

Green

Green

White

White

Red

Piggy Back

AC Power

Switch

PLUG-IN LOOP DETECTOR

Model LOOPDETLM

Access

Control

Device

Shadow Loop

Exit Loop

Interrupt Loop

Wireless Edge Kit

Model LMWEKITU

These switches determine if

the corresponding photoelectric

sensor or edge sensor will

function for the OPEN or CLOSE.

These switches

control how the

Auxiliary Relays

will function.

Red light ON/FLASH

Red light OFF

Red light ON/FLASH

n/a

Red light ON

Red light OFF

Red light ON/FLASH

Green light OFF

Green light ON

Green light OFF

Green light OFF

n/a

Green light OFF

Green light ON

RED

/

GREEN

LIGHT FUNCTIONALITY

1

2

3

Red light

wired to AUX RELAY 1.

Green light

wired to AUX RELAY 2.

AUX RELAY 1 SWITCHES

OFF

Red light OFF*

OFF

OFF

CLOSED

GATE STATE

AUX RELAY 2 SWITCHES

Green light OFF

1

2

3

ON

ON

ON

OPENING

OPEN

CLOSING

Deﬁned Mid Stop

Undeﬁned Mid

Stop

Timer more than

5 seconds

Timer less than

5 seconds

* For red light ON when gate/door is closed, set switch 1 on AUX RELAY 1 to ON

Control Stations

LiftMaster.com

© 2018, LiftMaster

All Rights Reserved

01-39240-12

WIRING DIAGRAM

Model HCTDCUL

Press and hold

STOP...

...then press and

hold CLOSE...

...then press and hold OPEN

until "Er" shows.

CODE SEQUENCE NUMBER

The first number shown is the most recent

code (example: “01”). The display will show

the sequence of codes that occurred starting

with “01” and going up to code “20”.

CODE NUMBER

The second number shown after the code

sequence number is the code itself

(31-99, example” “31”).

A SECOND LATER

....

The operator will show the code sequence number followed by the code number:

Diagnostic Codes

TO VIEW THE CODES:

LiftMaster System

Installed System

Informational

External Entrapment Protection

Inherent Entrapment Protection

CODE

MEANING

SOLUTION

31

Main control board has experienced an internal

failure.

Disconnect all power, wait 15 seconds, then

reconnect power (reboot). If issue continues,

replace main control board.

34

Absolute Position Encoder Error, not getting

position information from encoder

Check APE assembly and wiring connections.

Replace the APE assembly if necessary.

35

Max-Run-Time Exceeded Error

Check for an obstruction, then reprogram the limits.

36

Product ID Error

Was the control board just replaced? If so, erase

limits, enter limit setup mode and set limits. If not,

disconnect all power, wait 15 seconds, then

reconnect power before changing product ID

harness.

37

Product ID Failure

Unplug product ID harness then plug back in.

Disconnect all power, wait 15 seconds, then

reconnect power before replacing product ID

harness.

38

Hard Stop Limit

Limit may be set too tightly against a non-resilient

hard stop (re-adjust limit). Operator may be at end

of travel (re-adjust mounting).

40

Battery overvoltage

Too much voltage on the battery. Check harness.

Make sure there is NOT a 24V battery on a 12V

system.

41

Battery overcurrent

Possible short of the battery charge harness. Check

harness. Make sure you do NOT have a 12V battery

on a 24V system.

42

No battery at boot up

Check battery connections and installation. Replace

batteries if depleted to less than 20V on 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 loop

wiring throughout connection. May be a short in the

loop, or an open connection in the loop.

44

Shadow Loop Error

45

Interrupt Loop Error

46

Wireless edge battery low

Replace batteries in wireless edge.

50

Door out of balance detected

Check counterbalance springs condition and setting.

53

Brownout occurred

AC/DC board supply dipped below allowable level.

Review power supply and wiring. If rebooting,

ensure enough time for discharge of power to force

a fresh boot.

60

Minimum number of monitored entrapment

protection devices not installed

Review monitored entrapment protection device

connections. Vertical gate/door operators require

the installation of the first external monitored

entrapment protection device in the close direction

to function.

61

CLOSE EYE/INTERRUPT held more than 3

minutes

Check wired input on main control board; check for

alignment or obstruction.

62

CLOSE EDGE held more than 3 minutes

63

OPEN EYE/EDGE held more than 3 minutes

64

CLOSE EYE/INTERRUPT held more than 3

minutes

Check wired input on expansion board; check for

alignment or obstruction.

65

CLOSE EYE/EDGE held more than 3 minutes

66

OPEN EYE/EDGE held more than 3 minutes

67

Wireless edge triggered more than 3 minutes

Check wired input for wiring issue or obstruction.

68

Wireless edge loss of monitoring

Check wireless edge inputs.

69

Wireless edge triggered

IF an obstruction occurred, no action required. If an

obstruction did NOT occur, check inputs and wiring.

70

CLOSE EYE/INTERRUPT triggered, causing

reversal, preventing close, or resetting TTC


obstruction did NOT occur, check alignment, inputs,

and wiring on main control board.

71

CLOSE EDGE triggered, causing reversal,

preventing close, or canceling TTC

72

OPEN EYE/EDGE triggered, causing reversal or

preventing opening

73

CLOSE EYE/INTERRUPT triggered, causing

reversal, preventing close, or resetting TTC


obstruction did NOT occur, check alignment, inputs,

and wiring on expansion board.

74

CLOSE EYE/EDGE triggered, causing reversal

and preventing close or canceling TTC

75

OPEN EYE/EDGE triggered, causing reversal or

preventing opening

82

Close input (EYE/EDGE) communication fault

(expansion board)

Check the connections between the main board and

the expansion board.

83

Open input (EYE/EDGE) communication fault

(expansion board)

84

Non-monitored device detected on the wireless

safety system

Non-monitored contact closure devices are not

supported. Make sure connected devices are

monitored. Check edges for proper orientation and

resistive end cap connection.

91

Force Reversal

Check for obstruction. If no obstruction, check that

the mechanical assembly is engaged and free to

move. See section on Limit and Force Adjustment,

and Obstruction Test in the manual.

93

RPM / STALL Reversal

Check for obstruction. If no obstruction, check the

operator wiring and that the mechanical assembly is

engaged and free to move. Replace APE assembly.

99

Normal Operation

No action required

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.

CODE COLOR KEY:

TO SCROLL THROUGH THE SAVED CODES:

Press the OPEN button to cycle to the most recent code ("01"). Press the CLOSE button

to cycle to the oldest code (up to “20”).

LiftMaster HCTDCUL HCTDCUL Wiring Diagram

LiftMaster HCTDCUL Manual

LiftMaster HCTDCUL manual content summary: