14.1 Troubleshooting
286
2-1 Measured val-
ues are unstable.
TC ON The temperature sensor is not appro-
priately positioned.
Move the temperature sensor
closer to the measurement target.
Position the temperature sensor so
that it is not exposed to wind.
If the response to the measurement
target’s temperature change is
slower than the temperature sen-
sor’s response, increase the
response time by covering the tem-
perature sensor with something.
The temperature sensor’s
response time is about 10 minutes
(reference value).
p.17
OFF The measurement target’s resistance
value is changing due to the tempera-
ture, for example because the room
temperature has not stabilized.
Turn ON temperature correction
(TC).
p.75
OVC OFF The measurement is affected by ther-
mal EMF.
Turn ON the OVC function.
p.82
2-2 Measured val-
ues differ from
expected values.
(A negative value
is shown.)
Zero-adjustment ON Zero-adjustment is not accurate.
Perform zero-adjustment again.
p.68
p.52
OFF Values are being affected by wiring
resistance or thermoelectric power
due to two-terminal measurement.
Perform zero-adjustment.
p.68
Scaling function ON The offset setting is incorrect.
Turn scaling OFF, or reconfigure
the setting properly.
p.77
p.52
The measurement leads are not con-
nected properly.
Check the connections.
p.51
p.52
Other: See No. 2-1 above.
p.285
No Issue Items to check Possible causes Solutions See
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