Measuring
39
3.11 Display Symbols, Error Messages
Function
Display Meaning Notes
Voltage cannot be
measured
Frequency outside 46-65 Hz
or DC voltage or no voltage
Overrange Voltage greater than 500 V
Frequency greater than 457
Hz
No measurement
possible, frequency
outside permissible
range
Frequency less than 15,3 Hz
or DC voltage or voltage less
than 0,1 V
No measurement
possible, battery
voltage too low
Replace batteries
No measurement
possible, voltage
between sonde and PE
connection greater than
70 V
Sonde connection carries
voltage greater than 70 V
with respect to PE
connection e.g. noise
voltage, mains voltage etc.
before
pressing
„Start“
key
No measurement
possible, probe
connection not OK
In position R
A: : no probe
connected
In position
R
ISO: probe
connected
Voltage less than 101 V (FI,
R
E
, R
S) possibly connection
missing
after
pressing
„Start“
key
No measurement
possible, as voltage
outside permissible
range
Voltage too high
FI, R
A
: voltage>253 V
R
LOOP
: voltage>435 V
R
ISO
: voltage> 50 V
R: voltage>3 V bzw.
current>50 mA
Legend: = flashing display
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