39
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
