intermittently. Therefore, the detector can detect whether the wire has
current and whether there is line failure.
(2)
．
Table for pliers and corresponding lights
Identification of pliers
symbol of light
R
（
Red
）
only R-S lights up
S
（
yellow
）
R-S and S-T light up
T
（
Blue
）
only S-T lights up
VI.
Replacing Battery
Please pay attention to the polarity of battery!
1. Before replacing battery, must move pliers away from the detected wires.
Don
’
t replace battery during testing.
2. Press key
“
OFF
”
to shut off the detector (Figure A)
3. Loose a screw on the rear cover of battery and then open the
rear cover (Figure B)
4. Replace with brand-new qualified batteries. Please pay attention to the
polarity and specifications of battery (Figure C).
5. Close the rear cover and tighten the screw (Figure D).
6. Press key
“
ON
”
. Check if the detector can start normally, otherwise repeat
step 3 or check if the capacity of battery is sufficient.
VII. FAQ
failures
possible reasons
solutions
Fail
to
be
power-on (the
LCD backlight
is
off,
no
display)
no battery
Install
the
qualified
batteries
violate the specifications of
battery
Replace with the batteries
up to specifications
low battery capacity
replace with brand-new
qualified batteries
reverse placement of battery
Reinstall
the
batteries
according to their correct
polarities
loose contact of batteries
adjust
the
place
of
batteries and reinstall
them
Continue:
failures
possible reasons
solutions
Fail
to
be
power-on
(the
LCD backlight
is
off,
no
display)
fail to close the rear cover
of battery
close the rear cover of
battery tightly
loose contact or breakage of
power lines in batteries
Re-weld or replace power
lines
Loose contact of power-on
button
Replace the power-on
button
bad membrane switch
replace the membrane
switch
bad LCD
Repair or replace LCD
bad elements on circuit
board
Repair or replace the
circuit board
the
LCD
backlight is on
after
being
power-on,
but
no display
low battery capacity
Replace
with
the
brand-new
qualified
batteries
bad LCD
Repair or replace LCD
bad elements on circuit
board
Repair or replace the
circuit board
Be
power-on
and conduct the
detection
normally,
low battery capacity
Replace
with
the
brand-new
qualified
batteries
bad LCD
Repair or replace LCD
Continue:
failures
possible reasons
solutions
but the display
of
LCD
becomes dark
bad elements on circuit
board
Repair or replace the
circuit board
Be
normally
power-on, but
fail to conduct
the detection
The three detected phase
wires have no current
Not
the
problem
in
detector,
the
phase
sequence
can
’
t
be
detected until the detector
is electrified
Pliers fail to clamp the
detected phase wires
Re-clamp the phase wires
based on the manual
’
s
requirement
The lead wire of pliers is
broken
Replace the lead wire of
pliers
low battery capacity
Replace
with
the
brand-new
qualified
batteries
bad LCD
Repair or replace LCD
bad elements on circuit
board
Repair or replace the
circuit board
VIII. Assembly Drawing
IX.
Packing list
1
．
detector
1 piece
2
．
carrying box 1piece
3
．
strap
1 piece
4
．
"AA" size Mg-alloy batteries
（
R6P
）
2 pieces
5
．
user manual 1 piece
6
．
warranty card
1 piece
7
．
certification 1 piece
