Water Sensing Cable
LP-LPD Water Leak Locating Panel Quick Start Guide
Page 9 of 10
Table 1. LED Indication of the Running Status of LP-LPD
Power indicator (red)
ON
Normal power-on
OFF
Abnormal power or fault of LP-LPD
Disconnection
indicator (green)
ON
Fault or improper connection of leak sensing cable
OFF
Proper connection of leak sensing cable
Leak indicator
(green)
ON
Leak
OFF
There is no leak
Table 2. LP-LPD Communication Status Indication
TX (TRANSMIT)
RX (RECEIVE)
State
Flash
Flash
The LP-LPD normally communicates with Master
OFF
Flash
The LP-LPD receives information from the Master and no
message back
OFF
Normally ON
The RS485 communication cable is reversely installed or the
communication chip malfunctions
OFF
OFF
The LP-LPD does not communicate with the master
Liquid leakage is detected when there is no obvious liquid presence. The possible reasons are as
follows (it is highly recommended to replace the affected section):
1. The sensing cable was badly contaminated by some chemical for unknown reason.
2. The sensing cable was coated with glue, epoxy and paint accidentally.
