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the buzzer sounded means the tested objective is with AC
90~1000V. If the indicator did not come on and no buzzer
sounded, it means the tested objective with AC power less than
90V or there is no AC power on it.
Maintenance & Trouble shooting：
Warning
Turn off the Transmitter or Receiver and disconnect all test leads
before replacing the battery.
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
The signal from
transmitter can not be
detected by receiver
No signal received
from transmitter on
Live
telecommunication
device testing
Incorrect cable
mapping result
Trouble shooting
Shortage of battery power: Check the
battery on both transmitter and receiver. If
the battery voltage is less than 6.5V, please
replace with a new battery.
Make sure the switch position on receiver is
"SCAN" or "LED". The SCAN function will
not work if the switch is at another position.
Device damaged: please return the product
to the place you purchased for
maintenance.
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 for
maintenance.
Improper connection of networking or
telephone cables: please reconnect the
cables toRJ45/ RJ11 compatible
connectors.
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