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witeg Labortechnik GmbH, WCB Circulation Water Bath
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7 Maintenance and cleaning
Please read the whole safety instructions before you start to maintain or clean the
device.
Pull the power plug out of the electrical outlet.
Only use care cleaning agents and soft cleaning rags.
Organic lotions, strong chemicals and rough cleaning rags can damage the device.
If you not want to use the device for a long time, pull of the power plug and keep it dry in
the package.
Only use original spare parts.
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-Shuttle
knob (by turn the Jog-Shuttle 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.
ERROR 1
Temperature Sensor Error.
ERROR 2
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.
