Daikin FLKS25BAVMB Service Manual

Also see for Inverter FLXS35BAVMB9: Service manual Service Manual Removal Procedure Operation manual

Contents

Daikin FLKS25BAVMB Service Manual Manual pdf 4 page image

SiBE05-722EEiii Table of Contents3.10 Defrost Control .......................................................................................503.11 Electronic Expansion Valve Control .......................................................513.12 Malfunctions ...........................................................................................54Part 5 Remote Controller ............................................................ 551. Remote Controller .................................................................................56Part 6 Service Diagnosis............................................................. 581. General Problem Symptoms and Check Items .....................................592. Troubleshooting with LED .....................................................................602.1 Indoor Unit..............................................................................................602.2 Outdoor Unit ...........................................................................................603. Service Diagnosis .................................................................................614. Troubleshooting ....................................................................................644.1 Error Codes and Descriptions ................................................................644.2 Indoor Unit PCB Abnormality .................................................................654.3 Freeze-up Protection Control / Heating Peak-cut Control ......................664.4 Fan Motor (AC Motor) or Related Abnormality.......................................674.5 Thermistor or Related Abnormality (Indoor Unit)....................................694.6 Refrigerant Shortage ..............................................................................704.7 Low-voltage Detection or Over-voltage Detection..................................724.8 Signal Transmission Error (Between Indoor Unit and Outdoor Unit)......744.9 Unspecified Voltage (Between Indoor Unit and Outdoor Unit) ...............764.10 Outdoor Unit PCB Abnormality...............................................................774.11 OL Activation (Compressor Overload) ...................................................794.12 Compressor Lock ...................................................................................814.13 DC Fan Lock ..........................................................................................824.14 Input Overcurrent Detection ...................................................................834.15 Four Way Valve Abnormality..................................................................844.16 Discharge Pipe Temperature Control.....................................................864.17 High Pressure Control in Cooling ...........................................................874.18 Compressor System Sensor Abnormality ..............................................884.19 Position Sensor Abnormality ..................................................................894.20 DC Voltage / Current Sensor Abnormality..............................................914.21 Thermistor or Related Abnormality (Outdoor Unit).................................924.22 Electrical Box Temperature Rise............................................................944.23 Radiation Fin Temperature Rise ............................................................974.24 Output Overcurrent Detection ..............................................................1005. Check ..................................................................................................1025.1 Thermistor Resistance Check ..............................................................1025.2 Hall IC Check .......................................................................................1035.3 Power Supply Waveforms Check.........................................................1035.4 Electronic Expansion Valve Check.......................................................1045.5 Four Way Valve Performance Check ...................................................1055.6 Inverter Unit Refrigerant System Check...............................................1055.7 Inverter Analyzer Check .......................................................................1065.8 Rotation Pulse Check on the Outdoor Unit PCB ..................................1085.9 Installation Condition Check.................................................................1095.10 Discharge Pressure Check...................................................................1095.11 Outdoor Fan System Check .................................................................110