Check earth connections
and press start again.
(*5)
(*4)
Lights up in red
No
Yes
Yes
Yes
(1). Preliminary measurement
No
(4). Insulation resistance between L/N and PE.
Lights up
in green
Value of (2),(4) and (5) will be alternately displayed on the LCD.
No
Re-start
Can proceed to the next step
by pressing the Start switch
again even if the result was
a fail
Start
Class I Test Flowchart
Lights up in red
Lights up
in green
No
Re-start
(2). Protective conductor resistance.
Lights up in red
Re-start
(*6)
(5). Leakage current between L/N and PE.
No
RPE≦20Ω?
“no”→“Con” is displayed
alternately on the LCD.
RPE≦0.1Ω?
(0.1Ω<RPE<0.3Ω?)
Lights up in green or
if the resistance
is:between >0.1 and
< 0.3Ω it lights orange
“no” →“Con”→“value” will
be repeated on the LCD.
(*7)
(3). Appliance switch test
Is the appliances
switched on?
“oFF”→“ ? ” is displayed
alternately on the LCD.
Yes
Leakage
Current
Leakage
Current
PASS
LEAK≦0.75mA?
Stop the test and
“no”→“LEA”→“value” will be
repeated on the LCD.
LnE
≧
1MΩ ?
Lights up in red
“no”→“LnE”→“value” will be
repeated on the LCD.
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