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Low liquid level
The oat switch will trip if the liquid gets below a safe level; the display will change to “LLL”. The heater will be
switched off. Fill the bath to above the minimum level and the display will return to the ‘present’ temperature; the
unit will again work.
Sensor fault indicator
If there should, for any reason, be a sensor fault, the bottom indicator will light. The power to the heater will have
been switched off and the unit will begin to return to ambient even if the heater light is on (the light staying on or
not depends on which circuit has sensed a fault).
After Use
When you have nished heating samples, remember that parts of the unit and the samples may be very hot. Take the
precautions listed earlier. We recommend that the samples should be allowed to cool to 50°C before being removed
from the bath. They will still have to be handled with care.
Should you want to remove the unit from the bath, it too should be allowed to cool to 50°C before being removed.
Remember the bridge, the lid (if used), the bath and all other parts close to the bath will be hot while it is in use.
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