Carpal LX24 User Manual Download Page 7

a.

 

check if the actuators work. 

b.

 

Check if the central locking system connection with car alarm is correct. 

c.

 

Check if the fuse is burn out. 

3.

 

The car alarm siren doesn’t sound when the system is triggered. 

a.

 

check if the siren is normal. 

b.

 

Check if the connection between the siren and the car alarm main unit is correct. 

c.

 

Check if it is in mute alarm mode. 

4.

 

The siren starts sharp sounding 10 seconds after the alarm system is activated, even it keeps 

sounding after it is disarmed. 

a.

 

check if the shock sensor is good. 

b.

 

Check if the shock sensor sensitivity is too high, adjust it to lower sensitivity. 

c.

 

Check if the wire connections are correct, especially the brake light, door trigger wire. And check if 
the doors are closed well. 

5.

 

The siren sounds when heavy trucks or large vehicles pass by, or the siren sounds wrong. 

a.

 

check if the shock sensor is too sensitive. Adjust it to a lower sensitivity. 

6.

 

The LED light on the transmitter is not alight, the transmitter doesn’t work. 

a.

 

check if the battery in the transmitter is lower than 10 voltage. 

b.

 

Check if the transmitter has been soaked into water. 

c.

 

Check if the transmitter has been dropped badly. 

d.

 

Use an other transmitter to check and compare then to find out if one of the transmitter is wrong and 
where is wrong. If two transmitters both don’t work normally, then please check if there are any 
faults in main unit antenna, wire connection, power supply ..etc, no need to open the transmitter . If 
finally find out it is due to the transmitter, then please buy extra transmitters to replace with the old 
ones. 

 

TECHNIC SPECIFICATION 

 

MAIN UNIT: 

Working Voltage: DC+12

V±3V 

Static Current: 

10MA 

Current in Alarming: 0.1-0.2A 
Working Temperature: -2

0℃- +80℃ 

Max. output Current: headlight: 2 X 5A. Siren: 10A. Central Locking: 10A 
Transmission Frequency: 315MHZ±0.5MHZ 
Transmission Distance: 100 meters 
 

TRANSMITTER: 

Working Voltage: DC+12

V±3V 

Working Frequency: 315MHZ±0.5MHZ 
Working Current: 

10MA 

Battery : 12V/27A 
Transmission Distance: 100 meters 
Code System: learning code 
UN-unique Code Rate: 

1 million 

 
 

Summary of Contents for LX24

Page 1: ...anced technology SYSTEM PACKAGE CONTENTS After you purchase this car alarm please check whether all systems parts are packed Please see the illustration table 1 Main unit 2 Transmitters normally two unless ordered with one 3 Special anti robbery switch green switch 4 LED status indicating light 5 Reset switch red switch 6 Shock sensor 7 Starter disable relay to immobilize the engine 8 Electronic s...

Page 2: ... siren by pressing button C on the transmitter but it will not sound when it is in mute alarm mode If it is some serious intrusion like the doors are opened by force and the engine start is attempted ignition is turned ON illegally the siren keeps continuous sound even in mute alarm mode unless pressing button B to disarm the system or pressing button C to stop siren temporarily 3 TO DISARM THE SY...

Page 3: ...e unlock and open the trunk automatically 12 POWER DISCONNECTING MEMORY This alarm has built in memory on the main unit Generally after alarm power is cut and reconnected the main unit will read back the data make the alarm resume When in arm disarm mode or anti hijack position power is off and on again the alarm will read back the original position 13 EMERGENCY OVERRIDE DISARM SYSTEM MANUALLY If ...

Page 4: ...ers code learning process 3 Press any button of the new transmitter and hold the button for 3 seconds until you hear 3 siren chirps confirming that code learning is successful this new transmitter is learned by the system 4 To program the second third or fourth transmitter codes repeat step 3 Siren chirps to confirm that each transmitter is learned A total of 4 transmitters can learn the code If a...

Page 5: ...ow PROGRAMMABLE OPERATION TABLE PROGRAMMABLE FEATURE TABLE TO SET WITH TO EXIT WITH FEATURE 1 Turn Ignition Switch from OFF to ON 2 Transmitter Operating 3 Confirmation Operation Confirmation PASSIVE ARMING LAST DOOR ARMING 3 cycles stop at ON Press Button A for 3 seconds 2 chirps 3 flashes press button B for 3 seconds 1 chirp 3 flashes IGNITION TRIGGERED DOOR LOCK UNLOCK 4 cycles stop at ON Press...

Page 6: ...grams to connect the central locking system with car alarm system though there are many different models of central locking systems but mostly they are divided into these four types A Negative Trigger Type if the car is originally equipped with a central locking system and there is a seesaw switch near dashboard which controls the other 3 door locks therefore the first thing is to find out whether...

Page 7: ...ght on the transmitter is not alight the transmitter doesn t work a check if the battery in the transmitter is lower than 10 voltage b Check if the transmitter has been soaked into water c Check if the transmitter has been dropped badly d Use an other transmitter to check and compare then to find out if one of the transmitter is wrong and where is wrong If two transmitters both don t work normally...

Page 8: ...ply 12V 4 Green Door trigger positive 5 Black Power supply 6 Pink Siren 7 Orange 8 White 9 Yellow 10 Orange black 11 white black 12 Yellow black Shock sensor Ultrasonic sensor 6 footbrake Special Anti robbery Switch Reset Switch LED indicator Relay white ACC 12V green ACC ON Brake light Footbrake No 7 12 for Central door lock connection SCHEMAIC DIAGRAM FOR CENTRAL DOOR LOCK INNER INTERFACE 8 ...

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