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witeg Labortechnik GmbH, Refrigerated Bath Circulator
21
8 Troubleshooting Guide
Situation
Confirmations and Solutions
Power Failure
Check the supplied voltage is present.
Check the power connection and the power cord for proper
connection and integrity.
Check if the MAIN Power Switch is “ON”.
Fuse is blown.
Unit Not Heating
Check if the MAIN Power Switch is “ON”.
Check if the set temperature (SV) confirmed with the Jog-Dial
knob (by turn the Jog-Dial knob cannot change the set
temperature
– see point 6.4)
Check the Safety switch is set higher
(min. 10°C-20°C) than
the set temperature (SV).
Heating, but unit not
reaching temperature
Check the Safety switch is set higher
(min. 10°C-20°C) than
the set temperature (SV).
Problem in the sensor or main controller.
Unit Not Refrigerating
Check if t
he MAIN Power Switch is “ON”.
Check if the set temperature (SV) confirmed with the Jog-Dial
knob (by turn the Jog-Dial knob cannot change the set
temperature
– see point 6.4)
Check that the set temperature (SV) is lower than 35 °C.
Refrigerating but it do
esn’t
fall to the SV temperature
Problem with the the cooling circuit.
ERROR 1
Temperature Sensor or main controller Error.
ERROR 3
Low level error. Please fill water in.
If other
problems
arise, or
one of the above
not solves
problems
,
please contact your
official agent
or the manufacturer.
Reparations and amendments should only made by
witeg
authorized people.
Contraventions exclude the warranty.
