Daikin EKHBRD011AAV1 Installation Manual

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Installation manual33 EKHBRD011~016AAV1+Y1Indoor unit for air to water heat pump system4PW54465-1AError codesWhen a safety device is activated, the user interface LED will beflashing, and an error code will be displayed.A list of all errors and corrective actions can be found in the tablebelow.Reset the safety by pushing the y button.In case this procedure for resetting the safety is not successful,contact your local dealer.Errorcode Failure cause Corrective actionA1 Failure of writing memory(EEPROM error)Contact your local dealer.A6 Malfunction of pump in watercircuit (M1P)• Make sure waterflow ispossible (open all valves in thecircuit).• Force clean water through theunit.A9 R410A expansion valve error(K1E)• Check wiring connections.• Contact your local dealer.AJ Capacity error Contact your local dealer.C1 Bad ACS communication Contact your local dealer.C4 R410A liquid thermistor error(R3T)• Check wiring connections.• Contact your local dealer.C5 Domestic hot water tankthermistor error (R2T)• Check wiring connections.• Check if the domestic hotwater option is turned active(refer to field setting [6-00].• Contact your local dealer.C9 Returning water thermistor error(R4T)• Check wiring connections.• Contact your local dealer.CA Leaving water thermistor error(R5T)• Check wiring connections.• Contact your local dealer.CJ Remote controller thermostatthermistor errorContact your local dealer.E1 Compressor PCB error Contact your local dealer.E3 High pressure error (S1PH) • Check wiring connections onoutdoor unit and indoor unit.• Make sure the circuit is filledwith water (no air inside)• Make sure the domestic hotwater tank is filled with water.• Make sure water flow ispossible (open all valves in thecircuit).• Make sure the water filter isnot blocked.• Make sure all refrigerant stopvalves are open.• Contact your local dealer.E3 Thermal cut-out error (Q2L) • Reset the thermal cut-out.• Contact your local dealer.E4 Low pressure error (B1PL) • Check wiring connections onoutdoor unit and indoor unit.• Contact your local dealer.E5 Overload activation ofcompressor (M1C)Contact your local dealer.E9 R134a expansion valve error(K2E)• Check wiring connections.• Contact your local dealer.F3 Discharge temperature error Contact your local dealer.J3 Discharge thermistor error (R6T) • Check wiring connections.• Contact your local dealer.J5 R134a liquid thermistor error • Check wiring connections.• Contact your local dealer.JA R134a high pressure sensorerror (B1PH)• Check wiring connections.• Contact your local dealer.JC R134a low pressure sensor error(B1PL)• Check wiring connections.• Contact your local dealer.L1 Compressor inverter PCB error Contact your local dealer.L4 Fin thermistor error • Check wiring connections.• Contact your local dealer.L5 Compressor inverter PCB error Contact your local dealer.L8 Compressor inverter PCB error Contact your local dealer.L9 Compressor inverter PCB error Contact your local dealer.LC Inverter communication problem Contact your local dealer.LH Converter error Contact your local dealer.P1 Main compressor PCB error Contact your local dealer.PJ Bad combination invertercomponentsContact your local dealer.U2 Power supply error • Check wiring connections.• Contact your local dealer.U4 QA transmission problem Contact your local dealer.U5 Remote controller error Contact your local dealer.UA Type connection problem • Wait till initialisation betweenoutdoor unit and indoor unit isfinished (after power ON, waitat least 12 minutes).• Contact your local dealer.UC Address duplication error Contact your local dealer.UF Transmission problem withoutdoor unitContact your local dealer.UF QA wiring problem Contact your local dealer.UH Address error Contact your local dealer.Errorcode Failure cause Corrective action