Amprobe – Amprobe DMIII-Multitest Power-Quality-Recorder User Manual
Page 36

AMPROBE
DMIII MULTITEST
EN-34
6.4.3. "2-W", "3-W" and "
" faulty cases
 If the instrument detects
the
External
Power
supply
adapter
connected to instrument 
will show the message 
displayed to the right. 
EARTH
05.06.01
-
- -
Vd= ---V
Test:04
RAVG=0.74
REMOVE POWER
 
3-W
Disconnect the External 
Power Supply Adapter
FUNC CLR
 If the Instrument detect
a voltage values higher 
than 5V the instrument 
will shows the screen 
displayed to the right. 
 
EARTH
05.06.01
Warning
symbol:
Voltage
noise in input.
-
- -
Vd= 230V
Test:04
RAVG=0.74
VOLT IN INPUT
 
3-W
FUNC CLR
 The
message
"Rc
high" indicates that the 
instrument 
can't
produce the minimum 
current necessary for 
measurement. 
Check
that the terminals are 
correctly 
connected
and the Auxiliary earth 
rod connected to T4 
(yellow conductor) has 
not been inserted in a 
pebbly 
or
poorly
conductive ground. If 
necessary pour some 
water around the rod. 
EARTH
05.06.01
-
- -
Vd= 1V
Test:04
RAVG=0.74
Rc HIGH
 
3-W
Message
"Rc":
Check
Auxiliary Earth rods.
FUNC CLR
