The LHB3000-B501 indoor alarm host, developed by Shenzhen Haoren (Longhorn) Co., Ltd., is a next‑generation smart alarm product with a large LCD display, voice prompts and multiple control methods. It supports wired and wireless zones, relay output, network communication and remote monitoring.
This manual provides step‑by‑step instructions for installation, wiring board connections, wireless controller usage, menu navigation, common operations such as arming, disarming, emergency help, programming, and troubleshooting, along with technical specifications and FAQ. This manual is written in Chinese.
| Dimensions | 181mm x 130mm x 28mm |
|---|---|
| Working Voltage | DC 12 V |
| Static Current | 60 mA |
| Music Alarm Current | <200 mA |
| Operating Temperature | -10 °C to +55 °C |
| Wireless Reception Frequency | 315 MHz, 433 MHz |
| Wireless Sensitivity | -103 dB |
| Alarm Upload Speed | 9600 bps |
Check that all connectors on the B801 board are inserted into the correct pins.
Loose end‑resistors or a faulty detector can trigger false alarms.
A communication fault or disabled network setting will prevent the network indicator from lighting.
Replace the controller’s battery, as a dead battery will stop it from working.