Panasonic PAW-VP1000LDHW Installation Manual

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68 DHW PAW-VP - Installation manual – 2020-05Error Codes PACi & ECOi9Error group Symptoms Possible causes / Remedy Wired remotecontroller displayActivation of protec-tive deviceFaulty wiring connections of (ceiling) indoor unit panel P09Activation of float switch wiring Faulty drain pump P10Drainage failureContact failure of float switch wiringWHE water freezing alarm WHE water freezing error P11Valve error Valve errorRefrigerant circuit errorWrong installation for refrigerant piping and wiringP13O 2 sensor error O 2 sensor detected P14Discharge temperature protective alarm Compressor discharge temperature trouble P03Activation of high pressure switch Compressor discharge pressure trouble P04Power supply failure Open phase detectedAC power supply troubleP05Insufficient gas Insufficient gas level detected P15Compressor overcurrent trouble P16Fan motor locked/reversed airflow detected Outdoor unit fan motor troubleOutdoor unit fan troubleP22WHE water pump interlock OFF alarm WHE pump interlock error (EXCT Error) P23Inverter compressor trouble P29Group control trouble Indoor unit in group control trouble P31Activation of current control compressor’sprotective devicePrimary (input) overcurrent detected H01PAM trouble (overcurrent/overvoltage),Activation of compressor’s protective devicePAM trouble H02Primary current control, Activation of com-pressor’s protective devicePrimary current CT sensor failure H03HIC trouble HIC troubleDC voltage not detectedH31Thermistor fault Indoor unit thermistor open/short Indoor heat exchanger temperature sensor (E1) trouble F01Indoor heat exchanger temperature sensor (E2) trouble F02Indoor air temperature sensor (TA) trouble F10Outdoor unit thermistoropen/shortCompressor discharge temperature sensor (TD) trouble F04Outdoor heat exchanger temperature sensor (C1) trouble F06Outdoor heat exchanger temperature sensor (C2) trouble F07Outdoor air temperature sensor (TO) trouble F08Compressor suction temperature sensor (TS) trouble F12Monvolatile memory failure Indoor unit EEPROM trouble F29Outdoor unit EEPROM trouble F31i NoteFor full Trouble Diagnosis details please refer to the outdoor unit Technical Data & ServiceManual.Alarm codes for indoor/outdoor units PACi R32 (continued)