Daikin CTXG50EV1BS Operation Manual

Also see for CTXG50EV1BS: Service manual Installation manual User manual Service manual

28FAULT DIAGNOSIS BY REMOTE CONTROLLERIn the ARC433B41, the temperature display sections on the main unit indicate corresponding codes.1. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication flashes on the temperature display section.2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.• The code indication changes as shown below, and notifies with a long beep.NOTEFault diagnosis.CODE MEANINGSYSTEM00 NORMALUA INDOOR-OUTDOOR UNIT COMBINATION FAULTU0 REFRIGERANT SHORTAGEU2 DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGEU4 FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)INDOOR UNITA1 INDOOR PCB DEFECTIVENESSA5 HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTORA6 FAN MOTOR FAULTC4 FAULTY HEAT EXCHANGER TEMPERATURE SENSORC7 FRONT PANEL OPEN/CLOSE FAULTC9 FAULTY SUCTION AIR TEMPERATURE SENSOROUTDOORUNITEA COOLING-HEATING SWITCHING ERRORE1 CIRCUIT BOARD FAULTE5 OL STARTEDE6 FAULTY COMPRESSOR START UPE7 DC FAN MOTOR FAULTF3 HIGH TEMPERATURE DISCHARGE PIPE CONTROLF6 HIGH PRESSURE CONTROL (IN COOLING)H0 SENSOR FAULTH6 OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSORH8 CT ABNORMALITYH9 FAULTY SUCTION AIR TEMPERATURE SENSORJ3 FAULTY DISCHARGE PIPE TEMPERATURE SENSORJ6 FAULTY HEAT EXCHANGER TEMPERATURE SENSORL3 ELECTRICAL PARTS HEAT FAULTL4 HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINKL5 OUTPUT OVERCURRENTP4 FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR1. A short beep and two consecutive beeps indicate non-corresponding codes.2. To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code displayalso cancel itself if the button is not pressed for 1 minute.TIMER CANCEL buttonIt cancels the timer setting.

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