Lumel N30U User Manual

42
7. ERROR CODES
After switching the meter to the network or during the work, messages
about errors can appear.
Messages about errors and their reasons are presented below.
Error message Description
Overflow of upper value of the measuring range value
or the programmed indication range. The message can
also mean a break in the sensor circuit (thermocouples or
resistance thermometers).
Overflow of lower value of the measuring range value or
the programmed indication range. The message can also
mean a shorting in the sensor circuit (thermocouples or
resistance thermometers).
ErFrt
Communication error with the data memory. Contact the
service workshop.
ErPar
Parameter error. Wrong configuration data.
Manufacturer’s settings will be restored after pressing any
button.
ErdEF
Default settings have been restored. Press any button to
transit to a normal work.
ErFPL
Error of measured values stored by the meter (measured,
maximal and minimal values). Press any button to transit
to a normal work. After pressing the button during 1 sec,
the ErdEF message will be displayed.
7020 7510
Measured
value
O
Measured value - not recalculated
in relation to the individual character-
istic, a.s.l.
7022 7511 EMF O
mV
EMF measured on meter terminals,
when measuring temperature by
means of thermocouples.
7024 7512 Resistance O Ohm
Resistance measured on the mean
line – only for the resistance measure-
ment or when measuring temperature
by means of resistance thermometers
(RTD)
Table 11
Table 12

Lumel N30U Specifications

General

Brand	Lumel
Model	N30U
Category	Measuring Instruments
Language	English