Omron K7GE-MG User Manual page 158

7 Troubleshooting
No. When
15 During
communications
16 During
communications
7 - 6
Problems
The read measurement value
sometimes becomes 0 MΩ.
Automatic measurement is not
performed at the usual time.
(The read measurement value
is the same as the previous
measurement, and the
measurement time is the
same as the previous
measurement.)
Cause
Reading may have The easiest
occurred at the time countermeasure is to
when the measurement discard the 0 MΩ data if
value was not confirmed there is no problem with
(during measurement the measurement value
standby or automatic when it is read again
measurement). after waiting until the
measurement is
complete. For a stricter
read timing, ensure that
the measurement value
is always a confirmed
value by reading when
the Main Unit status
output during
measurement turns
from ON to OFF or, for
communications, poll
the automatic
measurement bit of the
K7GE-MG status
variable and perform
reading when it turns
from ON to OFF.
The measurement may If measurement failed,
have failed or stopped. refer to troubleshooting
No.7 and take
You can check the failed
or stopped corrective measures.
measurement by the If measurement
measurement failed bit stopped, refer to
troubleshooting No.6
or measurement
stopped bit of the and take corrective
channel status variable. measures.
The external contacts Check the external
connected to the trigger contacts for contact
input terminal may not defects.
be working properly.
The system may be at a You can use the
level other than the Operation Level bit of
Operation Level (such the K7GE-MG status
as the Initial Setting variable to check
Level) due to a key whether it is at the
operation. Operation Level. Make
sure that the K7GE-MG
is not at the Operation
Level, and execute a
Software Reset
Command to return it to
the Operation Level.
Insulation Resistance Monitoring Device User's Manual (N224)
Correction Reference
6-3 Variable
Area Map on
page 6-5
6-3 Variable
Area Map on
page 6-5
-
6-3 Variable
Area Map on
page 6-5