Daikin FTXV25AV1B Service Manual

Daikin FTXV25AV1B Service Manual Manual pdf 55 page image

SiK01100347TroubleshootingTroubleshootingTroubleshooting for Main Malfunction(1) Malfunction of Indoor ambient temperature sensor is open,short circuitMalfunction of Indoor evaporator temperature sensor is open,short circuitStartIsthe wiring terminal between thetemperature sensor and the controllerloosened or poorly contacted?Insert the temperaturesensor tightlyyesIs malfunctioneliminatedIs there short circuit due to trip-over ofthe parts?Make the parts uprightyesIs malfunctioneliminatedReplace the mainboardwith the same model.EndnonoIs thetemperature sensor normal accordingto the ResistanceTable?noReplace it with atemperature sensorwith the same modelnoyesyesIs malfunctionremovednoyesyesnoMalfunctionNameIndicator Display (duringblinking, ON 0.5s and OFF 0.5s)OperationIndicatorCoolIndicatorHeatingIndicatorIndoor ambienttemperature sensoris open,short circuitOFF 3Sand blinkonceIndoor evaporatortemperature sensoris open,short circuitOFF 3Sand blinktwice