7. Troubleshooting
7.1 Problem situations
Table 5 Troubleshooting table
Problem
Possible cause
Solution
Measurement output seems
incorrect
Installation location is not
representative of actual
conditions you want to
measure
Verify the installation location
and relocate the probe if
necessary.
Heat conduction along probe
head and cable is interfering
with measurement accuracy
Follow the installation
recommendations for cases
when temperature of measured
environment differs greatly
from ambient. See
Probe is in need of adjustment
Calibrate and adjust the probe.
See
Probe status indicator LED is
red
Probe is in error state
Connect the probe to Insight
software or an Indigo
transmitter and read the error
message(s). See
.
Values of measurement
parameters stop changing for a
few minutes
Probe is performing a sensor
heating function such as
chemical purge or waiting for
the sensor to cool down
Wait for the function to
complete and measurement
parameters to be available
again
7.2 Error messages
The error messages are categorized according to the severity of the status:
•
Critical errors
are fatal to the operation of the device. It may not be able to respond to
communication at all, and will not measure correctly.
•
Errors
prevent normal operation of the device. Depending on the problem, errors may
resolve themselves. For example, a completely wet humidity sensor may cause a humidity
measurement error.
•
Warnings
do not prevent normal operation but may indicate possible problems.
•
Status
indicates a known state of the unit.
HMP3, HMP4, HMP5, HMP7, HMP8, HMP9, MMP8, TMP1 User Guide
M212022EN-D
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