van 't Hoffstraat 12
2665 JL Bleiswijk, THE NETHERLANDS
T. 31 (0) 10 522 43 73
tv12ltman Rev. 3.01 UK 0821
E-mail: [email protected]
Website: www.tamson.com
Tamson Instruments bv
Page 22/30
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VAT: NL 80 66 34 984 B01
Bank account no.:
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Chamber of commerce 27 16 95 41
9
TROUBLE SHOOTING
9.1
Application errors
All Tamson products are well designed and thoroughly
tested before shipping. This will not fully prevent small
problems in the field. Following will help you to locate
commonly known problems and how to fix them. In case
of doubt please check your local dealer or Tamson
instruments bv.
9.2
Bath malfunction
-
The pump motor is not running and electronics
are dead.
Check mains and main fuse.
Check over-
temperature protection see “Temperature
control and setting” page 15.
-
Motor is not turning
The motor fuse is activated. Restart the motor by
pressing the motor fuse. This fuse is located at the
backside of the top casing. Also check viscosity of the
bath fluid. High viscosity will activate the motor fuse.
Electrical defect.
Motor capacitor defective, replace capacitor or contact
local dealer or Tamson instruments bv
9.3
Problems with set point
-
Heater LED is not burning, motor is turning and
temperature rises above set point.
Set point too near to room temperature. Cooling of the
bath is needed.
-
Temperature doesn’t reach set point, motor turns
fast.
Bath fluid evaporates too quickly. Use other fluid.
Heater malfunctions. Measure mains electrical current
output. Low power consumption indicates a problem with
the heating element.
Cooling capacity is too high. Reduce cooling.
-
Temperature not stable
See explanation “Bath temperature does not become
stabl
e” page 25.
9.4
Faulty temperature reading or temperature
offset
-
The temperature readout on the display does not
correspond to the temperature measured.
PT100 is defective,
