KERUI G18 - User Manual

Questions and Answers

L
lopezmariaAug 2, 2025
What to do if KERUI G18 Security System host can’t read SIM card?
- R
  Robert AndersonAug 2, 2025
  If your KERUI Security System host can't read the SIM card, here are several possible solutions: * Ensure a SIM card is inserted. * Cancel the PIN code if it's set on the SIM card. * Move to a location with a stronger GSM signal. * Replace the SIM card if it has scratches. * Set the alarm phone number and message alarm number. * Charge the SIM card if the balance is insufficient or out of date. * Activate the message function if it's off.
D
Deborah WoodAug 8, 2025
Why is the transmitter distance for my KERUI G18 Security System shortened?
- D
  Danielle PriceAug 8, 2025
  The transmitter distance for your KERUI Security System might be shortened due to: * A nearby emitter sending signals, so find and eliminate the interfering source. * Insufficient power supply to the host's standby battery, therefore check if the power supply is plugged in well. * If the above steps don't work, it could be that the host receiver has stopped working.
D
Diana HerreraAug 14, 2025
What to do if KERUI Security System remote controller does not work?
- C
  Carmen Williams DDSAug 14, 2025
  If the remote controller for your KERUI Security System isn't working, it could be due to several reasons: * The coding is unmatched with the host; try re-coding. * The remote controller has insufficient power; change the battery to one of the same type. * The battery pieces have poor contact or are corroded; eliminate any dirt caused by corrosion on the pieces.
D
Dale JohnsonAug 20, 2025
What to do if KERUI G18 PIR sensor does not work?
- E
  Ebony SandovalAug 20, 2025
  If the PIR sensor for your KERUI Security System isn't working, consider the following: * The coding might be unmatched with the host, so try re-coding. * The sensor may have insufficient power; change the battery to one of the same type. * Check for poor contact or corrosion on the battery pieces and eliminate any dirt caused by corrosion.
P
Paul HutchinsonAug 26, 2025
How to solve the problem of no dialing for alarm in KERUI G18?
- M
  Monica GarrisonAug 26, 2025
  If your KERUI Security System is not dialing for alarm, you can try the following: * Perform an arming operation. * Reset the system according to the instruction book. * Adjust the location of parts. * Try re-coding.

Summary

Chapter Three Operation & Setting

3.1 Initial Power-on

Step-by-step guide for powering on the G18 alarm system host.

3.2 Arm

Explains the arming function, modes, and how to activate it.

3.3 Disarm

Details the disarming function and its effect on the system.

3.4 Home Arm

Describes the Home Arm mode for partial security.

3.5 Emergency Alarm

How to activate an emergency alarm using the remote control.

3.6 Set Phone No.

Configuration of various phone numbers for the alarm system.

3.6.1 Set Alarm Phone No.

Instructions for setting the primary alarm phone numbers.

3.7 Accessories

Introduction to adding and managing system accessories.

3.7.1 Add Remote Control

Step-by-step guide to pairing remote controls with the host.

3.7.3 Add Detectors

Instructions for adding various types of detectors to the system.

3.8 System Set

Main entry point for system configuration settings.

3.8.1 Delay Set

Settings for delay times for arming and alarming.

3.8.1.1 Delay Arm Set

Configuring the delay time for arming the system.

3.8.1.2 Delay Alarm Set

Configuring the delay time before an alarm triggers.

3.8.2 Password Set

Settings related to system and keypad passwords.

3.8.2.1 System Password

How to change the main system password.

3.8.4 Siren Setting

Configuration options for the built-in siren.

3.8.4.1 Internal Siren Volume

Adjusting the volume of the internal siren.

3.8.9 Low Battery and Anti-tamper Setting

Settings for low battery alerts and anti-tamper functions.

3.8.9.2 Anti-tamper Switch

Enabling or disabling the anti-tamper switch function.

3.8.9.3 Illegal Arm

Preventing arming if sensor signals are not received.

3.8.10 Restore Factory Setting

3.8.10.1 Partial Restoration

3.8.10.2 Full Restoration

3.10 Zone Management

3.10.3 Set Zone Type

3.12.1 Alarm Records

Chapter Four SMS Setting and Command Chart

Chapter Five APP

5.1 App Downloading

5.2 Add Host Account

Chapter Six Receiving Alarms and Remote Control

6.1 Handling Method After Receiving Alarm

6.2 Remote Control Operation Method

Chapter Eight Install Detectors

8.1 Installation and Usage of Door Sensor

8.2 Installation and Use of PIR Motion Detector

Chapter Nine Troubleshooting

KERUI G18 Specifications

General

Model	G18
Type	GSM Alarm System
Network	GSM
Frequency	850/900/1800/1900MHz
Wireless Frequency	433MHz
Remote Control	Yes
Mobile App Support	Yes
Display	LCD Screen
Remote Controls Supported	8
Phone Numbers Supported	6
Standby Current	<55mA
Alarm Current	<450mA
Wireless Range	Up to 100 meters
Alarm Volume	110dB
Sensors Supported	Smoke detector
Zones	99 zones
Working Temperature	-10°C to 50°C
Working Humidity	≤95% (non-condensing)