Dantherm CDF 40 Service Manual

Also see for CDF 40: Service manual Quick installation Manual Service Kit Instructions

Dantherm CDF 40 Service Manual Manual pdf 22 page image

22Maintenance and care: Trouble shootingTrouble shootingThe CDF can display a number of Information and Error Messages to help finding a fault.Every single message and associated problems are explained in the following sections.Display DescriptionAbrh The relative humidity is out of range.• The display will automatically return to standard view when the relativehumidity is within range again.ABt The ambient temperature is out of range.• The display will automatically return to standard view when the temperatureis within range again.LOSS The connection to the Remote Panel is lost.• When the connection is reestablished the error message can be cleared bypressing OK.SEr It is time for service inspection.• When a new service interval is set, the display will return to standard view.PaIr The unit tries to connect to a remote control.• The display will automatically return to standard view after some seconds.Display DescriptionSEnS This message indicates a sensor fault and will cause the unit to stop.Press either Up or Down to determine which sensor is faulty. Thefaulty sensor can be:Condensor sensor (displayed COnd)Evaporator sensor (displayed EVAP)Humidity sensor (displayed rh°t)If no button is pressed for 10 seconds it will return to SEnS.LP If the Code LP (Low Pressure detection) is shown, the fault must be found andrectified. (See also “Fault finding” on page 23)HP If the Code HP (High Pressure detection) is shown, the fault must be found andrectified. (See also “Fault finding” on page 23)The errors described above automatically lock the unit.Press OK and access the unlock sequence in order to dismiss the error.Display messagesInformationmessagesError messagesCOndEUAPorh tOK