Panasonic CS-RZ35WKRW Service Manual

Also see for CS-RZ25WKRW: Operating instructions

13418.4.10 H27 (Outdoor Air Temperature Sensor Abnormality)Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperaturesensor are used to determine sensor errors.Malfunction Caused Faulty connector connection. Faulty sensor. Faulty PCB.TroubleshootingCheck the connector connection:Is the measured resistance of the outdoor air temperaturesensor matches the value specified in its characteristicchart?Is the connector connection normal?When abnormality indication starts again.For safety reason and to prevent componentbreakdown, always switch off the powerbefore remove and connect the component.Turn off the power.Check the connector connection.Defect in outdoor air temperature sensor.Replace the outdoor air temperature sensor.Defect in outdoor unit PCB.Replace the outdoor unit PCB.NONOYESYESCheck the outdoor air temperature sensor:Plug out connector from the outdoor unit PCB.Measure the resistance of the outdoor air temperaturesensor.Connector poor contact.Correct the connection.010-10 10 20 30 40 500203040506070Temperature (°C)Resistance (K Ω)Sensor (Thermistor)Characteristics1212Outdoor Air SensorOutdoor Heat ExchangerSensor