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TROUBLE SHOOTING GUIDE
Problem Possible Causes Solution
BU has no
transmission
Mic sensitivity is too low Adjust mic sensitivity higher
using up button 8
Battery has run down or switching
power supply improperly connected
Replace with new battery or
check connection
BU always on Mic sensitivity is too high Adjust mic sensitivity lower
using down button 8 such that
transmitter become voice
activated
Out -of-range alarm
always on
BU battery has run down Replace with new battery or use
switching power supply
Distance between BU and PU
exceeds the operating range
Move the BU and PU closer
together
Pairing is not successful Perform pairing again
Always showing low
battery alert
Battery has run down Recharge battery using charger
stand or replace with new
battery or use AC adapter
No battery inside PU Put battery pack into battery
compartment
Battery pack is damaged Replace with new battery pack
Battery life is short Night light is permanently switched
on
Switch off night light
Many static noise and
interference
BU is located near other electrical
appliances
Remove the electrical
appliances or re -locate the BU
far away from source of
interference
Too short
communication range
Many steel structures between BU
and PU
Re -locate BU & PU
BU battery has run down Replace with new battery or use
AC adapter as power supply
CT-2400_Manual_04.pdf 39 28/4/14 6:03 pm
39


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