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Problem Possible Causes and Solutions
The display shows
err 6
and
flashes
SenSor
Defective control sensor. The control sensor may be shorted, open or otherwise
damaged. Perform the Factory Reset Sequence described above. If this does not fix
the problem, contact a Hart Scientific Authorized Service Center.
The display shows
err 7
Heater control error. Initialize the unit by performing the Factory Reset Sequence
as described above. If the unit repeats the error code, turn the unit off and allow the
unit to sit at least one-half hour. Turn the unit back on. If the unit repeats the error
code, turn off the unit and contact contact a Hart Scientific Authorized Service Cen
-
ter for a return authorization and for instructions on returning the unit.
Temperature read
-
out is not the actual
temperature of the
well
May need calibration. With the unit stable, slowly rotate the unit. If no change oc
-
curs, the unit may need to be calibrated. Contact contact a Hart Scientific Authorized
Service Center.
RF energy emissions. If the display changes more than twice the normal display
deviation, another unit in the area could be emitting RF energy. Move the unit to a
different location and rotate the unit again. If the temperature is correct in this new
area or deviates differently than the first are, RF energy is present in the room. If you
have to perform the test in the effected area, use the comparison test to eliminate
any possible errors.
12.2 CE Comments
12.2.1 EMC Directive
Hart Scientific’s equipment has been tested to meet the European Electromag-
netic Compatibility Directive (EMC Directive, 89/336/EEC). The Declaration
of Conformity for your instrument lists the specific standards to which the unit
was tested.
12.2.2 Low Voltage Directive (Safety)
In order to comply with the European Low Voltage Directive (73/23/EED),
Hart Scientific equipment has been designed to meet the IEC 1010-1 (EN
61010-1) and IEC 1010-2-010 (EN 61010-2-010) standards.
9103 Dry-Well
User’s Guide
46
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