witeg Labortechnik GmbH WIS-10, Operating Manual

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witeg Labortechnik GmbH, WIS Shaking Incubator
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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-
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 or temperature is
fluctuated

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
(WIS-##R)
 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 that the set temperature (SV) is lower than 35 °C.
Refrigerating but it does
n’t fall to
the SV temperature
(WIS-##R)

Problem with the the cooling circuit.
Unit Not Shaking
 Check if the MAIN Power Switch is “ON”.

Check if the set RPM confirmed with the Start button.
ERROR 1

Temperature Sensor or main controller Error.
ERROR 2

Error of the shaking operation.
ERROR 3

Door open alarm and appears when you open the door.

If Error 3 develops during door closed, check the Limit
Switch is pressed properly.
ERROR 4
(WIS-##R)

Error message when the present Temperature is 10°C
higher than the Set Temperature.