FBXXX Field Temperature Block
70
Problem Causes and Solutions
Temperature readout is not
the actual temperature of the
well OR Incorrect temperature
reading
Operating Parameters. Insure that all operating parameters for the
Temperature Block, reference thermometer, and/or probe parameters
match the Report of Certication that was sent with the instrument
and/or probe.
Electrical Interference. Look for sources of electrical interference,
such as motors, welders, generating equipment nearby, or ground
loops. Try shielding wires, removing ground loops, or changing
location.
(FB150) Probes stuck in the
well at low temperatures
Moisture. If the Temperature Block has been used at low
temperatures for extended periods of time, moisture may have built
up in the well forming ice at low temperatures. Set the temperature
high enough to melt ice to remove probes. Set the set-point to
+100°C and allow the moisture to evaporate out of the system.
(FB150) Insert stuck in well If maintenance has not been performed on the insert as described
in the Maintenance Section and the insert cleaned periodically, hard
water build-up on the insert may cause it to stick.
Have the unit in a cold environment – less 21°C. Set the unit to
100°C. While the unit is heating, at approximately 50°C to 70°C, pull
on the insert.
If this does not remove the insert, contact an Authorized Service
Center.
-R Model Only
The Ref Probe shows an
abnormal temperature or “……”
Check the Probe type setting in the Reference Probe Setup menu
is correct. Check all associated parameters. Check that the 4 probe
wires are connected and not shorted inside of the connector.
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