82 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.
www.esis.com.au
Ph 02 9481 7420
Fax 02 9481 7267
esis.enq@esis.com.au
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