Sonel MPI-506 User Manual

MPI-506 – USER MANUAL
49
5 Troubleshooting
Before sending the instrument for repairs, call our service. Perhaps the meter is not damaged,
and the problem has been caused by some other reasons.
The meter can be repaired only at outlets authorized by the manufacturer.
Troubleshooting of typical problems during the use of the meter is described in the table below.
Measurement
function
Symptom
Cause
Action
All
The meter will not switch off
with the button.
The
symbol appears
during voltage measurement.
The meter switches off during
preliminary test.
Discharged or incorrectly
placed batteries.
Check if the batteries are placed cor-
rectly; replace / charge the batteries.
If this has not helped, send the me-
ter for repair.
Measurement errors after the
meter has been transferred
from cold environment to
warm and humid one.
No acclimatization.
Do not make measurement until the
meter reaches the ambient tempera-
ture (about 30 minutes) and dries.
Fault loop and
RCD
Successive results in the
same measurement point are
significantly different.
Incorrect connections in the
tested installation.
Check and remove the defects.
Mains with a lot of disturb-
ance or unstable voltage.
Make more measurements, average
the results.
Fault loop
The meter indicates the val-
ues close to zero or zero irre-
spective of the measurement
location, and displayed val-
ues are significantly different
than expected.
Incorrectly chosen test leads
in the meter settings.

Sonel MPI-506 Specifications

General

Brand	Sonel
Model	MPI-506
Category	Measuring Instruments
Language	English