Daikin FCQ18PVJU Service Manual

Also see for SkyAir FAQ18PVJU: Service manual Engineering data Engineeiring data Service manual Operation manual

Contents

Daikin FCQ18PVJU Service Manual Manual pdf 72 page image

SiUS28-902_a65 TroubleshootingPart 7Troubleshooting1. Symptom-based Troubleshooting .........................................................672. Troubleshooting by Remote Controller .................................................702.1 The INSPECTION / TEST Button .......................................................... 702.2 Self-diagnosis by Wired Remote Controller ........................................... 712.3 Self-diagnosis by Wireless Remote Controller....................................... 722.4 Operation of the Remote Controller’s Inspection /Test Operation Button ............................................................................ 752.5 Remote Controller Service Mode ........................................................... 762.6 Remote Controller Self-Diagnosis Function ........................................... 783. Troubleshooting by Indication on the Remote Controller ......................853.1 “A0” Indoor Unit: Error of External Protection Device ............................. 853.2 “A1” Indoor Unit: P.C.B. Defect............................................................... 863.3 “A3” Indoor Unit: Malfunction of Drain Level Control System (S1L)........ 873.4 “A6” Indoor Unit: Fan Motor (M1F) Lock, Overload ................................ 893.5 “A7” Indoor Unit: Malfunction of Louver Motor (M1S) ............................. 903.6 “A9” Indoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E) ......................................................... 923.7 “AF” Indoor Unit: Drain Level above Limit ............................................... 943.8 “AJ” Indoor Unit: Malfunction of Capacity Determination Device ............ 953.9 “C4” Indoor Unit: Malfunction of Thermistor (R2T) forHeat Exchanger ..................................................................................... 963.10 “C5” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ........... 973.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air .......... 983.12 “CA” Indoor Unit: Malfunction of Thermistor for Discharge Air ................ 993.13 “CJ” Indoor Unit: Malfunction ofThermostat Sensor in Remote Controller ............................................ 1003.14 “E1” Outdoor Unit: P.C.B. Defect .......................................................... 1013.15 “E3” Outdoor Unit: Actuation of High Pressure Switch ......................... 1023.16 “E4” Outdoor Unit: Actuation of Low Pressure Sensor ......................... 1043.17 “E5” Inverter Compressor Motor Lock................................................... 1063.18 “E7” Malfunction of Outdoor Unit Fan Motor ......................................... 1083.19 “E9” Outdoor Unit: Malfunction of Moving Part ofElectronic Expansion Valve (Y1E) ....................................................... 1093.20 “F3” Outdoor Unit: Abnormal Discharge Pipe Temperature ................. 1113.21 “F6” Outdoor Unit: Refrigerant Overcharged ........................................ 1123.22 “H9” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air .... 1133.23 “J3” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T).... 1143.24 “J5” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) forSuction Pipe 1, 2 .................................................................................. 1153.25 “J6” Outdoor Unit: Malfunction of Thermistor (R4T) forOutdoor Unit Heat Exchanger .............................................................. 1163.26 “JA” Outdoor Unit: Malfunction of High Pressure Sensor ..................... 117