Daikin RXYQ-TA Series Service Manual

Also see for RXYQ120TATJU: Installation manual Operation manual

Contents

Daikin RXYQ-TA Series Service Manual Manual pdf 301 page image

SiUS341615E Troubleshooting by Error CodeService Diagnosis 2883.67 System not Set yetError Code UFApplicableModelsAll indoor unit modelsAll outdoor unit modelsMethod of ErrorDetectionOn check operation, the number of indoor units in terms of transmission is not corresponding to thatof indoor units that have made changes in temperature.Error DecisionConditionsThe error is determined as soon as the abnormality aforementioned is detected through checkingthe system for any erroneous connection of units on the check operation.SupposedCauses Improper connection of transmission wiring between indoor-outdoor units and outdoor-outdoorunits Failure to execute check operation Defective indoor unit PCB Stop valve is not openedTroubleshootingIsindoor-outdoorand outdoor-outdoor unittransmission wiringnormal?Isindoor - outdoorand outdoor - outdoor unittransmission wiringnormal?Replace the indoor unit PCB.Wiring check operation maynot have been carried outsuccessfully.After fixing incorrect wiring,press and hold the RESETbutton on the outdoor unitmain PCB for 5 seconds.∗ The unit will not run for up to12 minutes.YESNOYESNONOYESIs the checkoperationcarried out?Open the stop valve.YESNOAre the stopvalves opened?CautionBe sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.