Column compartment temperature does not change although the set point has not been reached

Possible Cause

Remedial Action

Ambient temperature too high or setpoint lower than the specified difference to the ambient temperature

  • Reduce the ambient temperature (for example, by air-conditioning the room).

  • Select a higher temperature setpoint.

Temperature control turned off

Turn on the temperature control.

Ventilation opening obstructed

  1. Open the doors of the column compartment and wait until the fans have stopped.

  2. Inspect the ventilation openings of the column compartment for obstructions.

  3. Remove any obstructing particles from the ventilation openings.

Ambient air enters column chamber

Improper sealing of the column chamber may impair the heating performance of the column compartment.

  1. Check whether the front doors close properly.

  2. Check whether the doors seal properly.

  3. Check the door seal for damage. If the door seal is damaged, replace the door (see Replacing the Doors).

Column compartment defective

Contact Technical Support.