Trouble Shooting - Fluke 9103 User Manual

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Trouble Shooting

If problems arise while operating the instrument, this section provides some
suggestions that may help you solve the problem. A wiring diagram is also
included.
Troubleshooting
In the event that the instrument appears to function abnormally, this section
may help to find and solve the problem. Several possible problem conditions
are described along with likely causes and solutions. If a problem arises, please
read this section carefully and attempt to understand and solve the problem. If
the problem cannot otherwise be solved, contact an Authorized Service Center
(see Section 1.3 on page 3) for assistance. Be sure to have the model number
and serial number of your instrument available.
Problem Possible Causes and Solutions
Incorrect tempera-
Incorrect calibration parameters. Incorrect R0, ALPHA, DELTA, and BETA param-
ture reading
eters. Find the value for R0, ALPHA, DELTA, and BETA on the Report of Calibration
that was shipped with the instrument. Reprogram the parameters into the instrument
(see Section 7.13, Calibration Parameters). Allow the instrument to stabilize and ver-
ify the accuracy of the temperature reading.
Controller locked up. The controller may have locked up due to a power surge or
other aberration. Initialize the system by performing the Factory Reset Sequence.
Factory Reset Sequence. Hold the SET and EXIT buttons down at the same time
while powering up the instrument. The instrument displays shows '-init-', the model
number, and the firmware version. Each of the controller parameters and calibration
constants must be reprogrammed. The values can be found on the Report of Test
that was shipped with the instrument.
The instrument Incorrect scan and scan rate settings. The scan and scan rate settings may be
heats or cools too set to unwanted values. Check the Scan and Scan Rate settings. The scan may be
quickly or too off (if the unit seems to be responding too quickly). The scan may be on with the
slowly Scan Rate set low (if unit seems to be responding too slowly).
An "o" is displayed
External switch test is open. The displayed temperature is frozen keeping the
at the left of the
set-point from scanning. Turn the switch test off by pressing the "DOWN" button of
display
the front panel.
The display shows Controller problem. The error messages signify the following problems with the
any of the follow- controller.
ing: err 1, err
Err 1 - a RAM error
Err 2 - a NVRAM error
2, err 3, err
4, or err 5
Err 3 - a Structure error
Err 4 - an ADC setup error
Err 5 - an ADC ready error
Initialize the system by performing the Factory Reset Sequence describe above.
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