Maintenance & Trouble shooting
：
Warning
Turn off the Transmitter or Receiver and disconnect all test
s before replacing the battery.
lead
Caution
To avoid damaging the case, do not use solvents or
abrasive cleansers. Clean the case with a soft cloth
dampened with water or a mild soap solution.
Trouble shooting
Possible Problems
Trouble shooting
1. Shortage of battery power: Check the
batter on both transmitter and receiver.
If the battery voltage is less than 6.5V,
please replace with a new battery.
2.
Make sure the switch position on
receiver is “OFF” or “LED”. The SCAN
function will not work if the switch is at
“NCV” position.
The signal from
transmitter can not be
detected by receiver
3.
Device damaged: please return the
product to the place you purchased the
product for maintenance.
No signal received from
transmitter on Live
telecommunication
device testing
There might be conflict between the signal
from telephone office and the signal from
transmitter. Please turn off the telephone
exchange device.
LED indicator broken: please return the
product to the place you purchased the
aintenance.
product for m
Incorrect cable mapping
result
Improper connection of networking or
telephone cables: please reconnect the
cables toRJ45/ RJ11 compatible
connectors.
Others
Device damaged: please return the
product to the place you purchased the
product for maintenance.
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