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Chapter 3 Troubleshooting
Chapter 3
Troubleshooting Guide
Symptom
Cause of Problem
I pressed the ON key on
DaqPRO
and it
did not turn on.
•
Try charging the battery, it may be weak.
•
You are using an unsuitable AC/DC adaptor (refer
to page 9).
•
The internal 3V disk battery is dead.
DaqLab was unable to connect to
DaqPRO
.
•
DaqPRO
is turned off.
•
The communication cable is not connected
properly.
•
The communication cable is not connected to the
correct PC COM Port.
•
There is no available Serial COM Port.
DaqPRO
and DaqLab displays a warning
message:
Illegal sensor
•
DaqPRO
measured a voltage drop of over 5V
across an input that was selected as one of the
following types: 50mV, TCK, TCJ, TCT, PT
100 or
NTC.
•
DaqPRO
measured a reversed voltage drop of over
-1V across an input that was selected as one of the
following types: 50mV, TCK, TCJ, TCT or 10V.
When detecting the
DaqPRO,
DaqLab
displays a warning message that the
logger
’
s calibration file is lost.
•
The DaqPRO has lost its calibration settings or its
S/N has been reset to zero for an unknown reason.
•
You must load the factorydefaults.daq file from the
DaqLab directory to restore the calibration settings
and restore the S/N.
•
You can also load the .cal file containing more
recent calibration settings than the factory defaults.
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