Carrier N Style Owner's Manual
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Contents
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E - 22TROUBLE SHOOTING (Cont.)TROUBLE REASON ACTIONAir flow cannot circulate freely Remove obstructions.Dirty filters reduce air quantitycirculating.Clean air filtersDoors and/or windows are open. Close doors and windowsFan speed has been set to “Low” Set fan speed at high speed.Air flow direction is not correct Adjust airflow direction as per themode chosen.Air conditioner is not supplyingenough cooling.Selected temperature is higher than theroom temperature in the cooling mode.Correct selected temperature.Air flow cannot circulate freely Remove obstructions.Dirty filters reduce air quantitycirculating.Clean air filtersDoors and/or windows are open. Close doors and windowsFan speed has been set to “Low” Set fan speed at high speed.Air flow direction is not correct Adjust airflow direction as per themode chosen.Air conditioner is not supplyingenough heating.Selected temperature is Lower than theroom temperature in the heating mode.Correct selected temperature.Green LED is flashing System malfunction. Contact servicecenter after having made the followingchecks:• Air filters are clean.• Air circulation is not obstructed.• Outdoor unit coil is not obstructedwith a severe reduction of aircirculation.Refer to the installation manualfor fault code reading to benotified to service center.Restart air conditioner afterhaving corrected the faults.A slight mist is emitted from theindoor unit during coolingThe cool air from the indoor unit iscoming into contact with the room air.Normal operationA slight whistling noise is heardwhen the air conditioner starts orstops.This is due to the refrigerant beginningto circulate or an adjustment of therefrigerant pressures.Normal operationWater vapor (mist) emanating fromthe outdoor unit.It is normal in heat pump operation,when defrost is automatically activated.Normal operationUnpleasant smells coming fromthe indoor unit.Unpleasant smells can be caused bysubstances accumulated in the airfiltersSwitch the system OFF andcontact an authorized servicecenter to have the filters cleaned.Restart unit in the ventilation (fanonly) mode and open windows tochange room air.Strange noises coming from theindoor unit.Occasionally the indoor unit can emitsome strange short noises duringoperation or when it has stopped.These are generally due to the oftemperature changes on the plasticparts.Normal operationStarting in heating mode for heatpump systemsIf the system starts at low ambienttemperatures, it takes a little while toreach a comfortable room temperature.When the system is started by theremote control, it emits a signal beep,but the louvre does not swing and thefan does not run until the operatingtemperature has been reached.Normal operation |
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