Daikin SkyAir RZR-TA Series Service Manual

Also see for SkyAir FAQ18TAVJU: Service manual Installation manual Operation manual

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Daikin SkyAir RZR-TA Series Service Manual Manual pdf 220 page image

Troubleshooting by Error Codes SiUS281811E214 Part 6 Service DiagnosisNote(s)Reference4.25 Remote Sensor AbnormalityError Code C9ApplicableModelsFTQ-TAMethod of ErrorDetectionThe error is detected by remote sensor temperature.Error DecisionConditionsWhen the remote sensor becomes disconnected or shorted while the unit is running.SupposedCauses Defective indoor unit thermistor (R1T) for room temperature Defective indoor unit PCBTroubleshooting1. Connector and indoor unit PCBCHECK 11 Refer to page 270.Is theoptional remote sensoris installed?Field setting10(20)-2 is set to 03.Connectoris connected to theindoor unit PCB(1).Resistanceis normal whenmeasured afterdisconnecting the sensorfrom the indoor unitPCB.CautionBe sure to turn off the power switch before connecting or disconnectingconnectors, or parts may be damaged.Set to 03.Replace the indoor unit PCB.NO NOYES YESReplace the indoor unit PCB.Connect the sensor and turn ONagain.NONOReplace the sensor (R1T).YESYESCHECK 11Model Connector for remote sensor PCBFTQ-TA X4A A1P