Megohmmeter Model 6505 - User Manual
19
3.8 ERROR MESSAGES
0.1M
1M
10M
100M
1G
10G
100G
1T
V
■
The insulation resistance is too low.
■
Check your connections. The
+
and
-
terminal of the instrument may be
short-circuited.
0.1M
1M
10M
100M
1G
10G
100G
1T
V
■
The insulation resistance is outside
the measurement range.
■
Check your connections. One of the
terminals of the instrument may be
disconnected, or the value measured
is > 4 T
Ω
.
V
AC
■
The voltage present on the terminals
is greater than 25 V
AC
or 35 Vpeak.
■
The instrument will alert you but
does not prevent making the
measurement.
V
AC
■
The voltage present on the terminals
is too high for a measurement to be
made:
peak V > 0.4 Un.
The test voltage, Un, is indicated by
the setting of the switch.
■
Eliminate the voltage and restart the
measurement.
■
Indicates that the protective fuse of
the
G
terminal is defective.
■
Replace the fuse as indicated in
§ 5.2.
