Panasonic Understanding 4 Way Valve Problems and F11 Error Code in Air Conditioning Systems

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15.4.14. F11 (4-way valve Abnormality)

Malfunction Decision Conditions

•When heating operation, when indoor pipe temperature is below 10°C

•When cooling operation, when indoor pipe temperature is above 45°C

Malfunction Caused

•Connector in poor contact

•Faulty sensor

•Faulty outdoor unit PCB

•4-way valve defective

Troubleshooting

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Contents Table of Contents Exploded View and Replacement Parts List Safety Precautions Page Specifications Model Indoor CS-CE9JKE Outdoor CU-CE9JKEType Propeller Fan Material Motor Type Model Indoor CS-CE9JKE Outdoor CU-CE9JKE Model Indoor CS-CE12JKE Outdoor CU-CE12JKE Cool/Fan M3/min ft3/min Model Indoor CS-CE12JKE Outdoor CU-CE12JKE Features Easy to use remote control Quality ImprovementIndoor Unit Outdoor Unit Remote Control Location of Controls and ComponentsDimensions Indoor UnitOutdoor Unit Refrigeration Cycle Diagram Block Diagram Wiring Connection Diagram Outdoor Unit Electronic Circuit Diagram Outdoor Unit Printed Circuit Board Main Printed Circuit BoardPower Printed Circuit Board Indicator Printed Circuit Board Outdoor Unit Select the Best Location Installation InstructionIndoor/Outdoor Unit Installation Diagram Indoor UnitTo Drill a Hole in the Wall and Install Sleeve of Piping How to Fix Installation PlateIndoor Unit Installation This can be used for left rear piping and bottom piping also Connect the Cable to the Indoor Unit Cutting and Flaring the PipingConnect the Piping Install the Outdoor UnitEvacuation of the Equipment Connect the Cable to the Outdoor Unit Pipe InsulationOperation and Control Basic FunctionAutomatic Operation Indoor Fan Motor OperationFan Operation Airflow Direction Outdoor Fan Motor OperationVertical Airflow Auto Restart Control Timer ControlIndication Panel Protection Control Protection Control For All OperationsLow Pressure Prevention Control Gas Leakage Detection Compressor Overheating Prevention ControlLow Frequency Protection Control Cooling Overload Control Outdoor Air Temperature ControlProtection Control For Cooling & Soft Dry Operation Freeze Prevention ControlProtection Control For Heating Operation Servicing Mode Auto OFF/ON ButtonReset AC Remote Control ButtonReset RC TimerTroubleshooting Guide Refrigeration Cycle SystemLow Pressure High Pressure Breakdown Self Diagnosis Function Self Diagnosis Function Three Digits Alphanumeric CodeError Codes Table Protection control JudgementPower source or compressor lock Self-diagnosis Method 15.4.1. H11 Indoor/Outdoor Abnormal Communication15.4.2. H14 Indoor Intake Air Temperature Sensor Abnormality 15.4.3. H15 Compressor Temperature Sensor Abnormality 15.4.4. H16 Outdoor Current Transformer Open Circuit 15.4.5. H19 Indoor Fan Motor DC Motor Mechanism Locked 15.4.6. H23 Indoor Pipe Temperature Sensor Abnormality 15.4.7. H27 Outdoor Air Temperature Sensor Abnormality 15.4.8. H28 Outdoor Pipe Temperature Sensor Abnormality Malfunction Decision Conditions 15.4.10. H33 Unspecified Voltage between Indoor and Outdoor 15.4.11. H97 Outdoor Fan Motor DC Motor Mechanism Locked 15.4.12. H98 Indoor High Pressure Protection Malfunction Caused 15.4.14. F11 4-way valve Abnormality 15.4.15. F90 Power Factor Correction Protection 15.4.16. F91 Refrigeration Cycle Abnormality Multi Models Only15.4.17. F93 Compressor Rotation Failure 15.4.18. F95 Cooling High Pressure Abnormality 15.4.19. F96 IPM Overheating 15.4.20. F97 Compressor Overheating 15.4.21. F98 Input Over Current Detection 15.4.22. F99 Output Over Current Detection Disassembly and Assembly Instructions To remove front grille To remove power electronic controllerTo remove discharge grille Page Page Outdoor Electronic Controller Removal Procedure Operation Characteristics Technical DataCU-CE9JKE Page Page Page CU-CE12JKE Page Page Page Sensible Capacity Chart CU-CE12JKEExploded View and Replacement Parts List Chassy Complete Outdoor Unit Chassy ASS’Y