Environmental conditions of the chiller are not within spec

Check environmental conditions. Ensure that the environmental conditions comply with the installation specifications. See chiller and projector installation manual for detailed installation requirements.

In case of a new installed chiller let the complete system acclimatize.

Malfunction temperature sensor.

Check value with communicator: in case of unrealistic values check cabling. Otherwise replace the DMD cooling expansion module or the Pump assembly (depends on error message <C>).