Manuals / Panasonic / Household Appliance / Air Conditioner

Panasonic CS-XE9PKUA, CS-XE12PKUA 15.4.27 F99 DC Peak Detection, Malfunction Decision Conditions

Models: CU-XE12PKUA CU-XE9PKUA CS-XE9PKUA CS-XE12PKUA

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15.4.27 F99 (DC Peak Detection)

Malfunction Decision Conditions

During startup and operation of cooling and heating, when inverter DC peak data is received by the outdoor internal DC Peak sensing circuitry.

Malfunction Caused

DC current peak due to compressor failure.

DC current peak due to defective power transistor(s).

DC current peak due to defective outdoor unit PCB.

DC current peak due to short circuit.

Troubleshooting

Page 81

Image 81

Panasonic CS-XE9PKUA 15.4.27 F99 DC Peak Detection, Malfunction Decision Conditions, Malfunction Caused, Troubleshooting

Contents

Indoor Unit Air ConditionerOutdoor Unit CS-XE9PKUA16. Disassembly and Assembly Instructions TABLE OF CONTENTS18. Exploded View and Replacement Parts Location of Controls and Components1. Safety Precautions 21.After completion of installation or service, confirm there is no leakage or refrigerant gas. It may generate toxic gas when the refrigerant contacts with fire Model 2. SpecificationsIndoor CS-XE9PKUAType Model IndoorCS-XE9PKUA CU-XE9PKUA Indoor Model Outdoor CS-XE12PKUACU-XE12PKUA Material Pipe Diameter Liquid / Gas šLong Installation Piping 3.FeaturesšEasy to use remote control šQuality Improvement šServiceability Improvement4. Location of Controls and Components 4.1Indoor Unit 4.2Outdoor Unit 4.3Remote Control5.1Indoor Unit 5. Dimensions5.2Outdoor Unit 6. Refrigeration Cycle Diagram 7. Block Diagram 8.1Indoor Unit 8. Wiring Connection Diagram8.2Outdoor Unit 9.1Indoor Unit 9. Electronic Circuit Diagram9.2Outdoor Unit 10. Printed Circuit Board 10.1.2Indicator Printed Circuit Board10.1 Indoor Unit 10.1.1Main Printed Circuit Board10.1.3Receiver Printed Circuit Board 10.1.4Comparator Printed Circuit Board10.1.5Human Activity Sensor Printed Circuit Board 10.2.1Main Printed Circuit Board 10.2 Outdoor Unit11.1.3Indoor/Outdoor Unit Installation Diagram 11. Installation Instruction11.1 Select the Best Location 11.1.1Indoor Unit11.2 Indoor Unit 11.2.2.1For the right rear piping 11.2.2Indoor Unit Installation11.2.2.2For the right bottom piping 11.2.2.3For the embedded pipingPage 11.2.3Connect the Cable to the Indoor Unit 11.2.3.1Wire Stripping and Connecting Requirement11.3.2.1Connecting the Piping to Indoor 11.3.1Install the Outdoor Unit11.3.2.2Connecting the Piping to Outdoor 11.3 Outdoor Unit11.3.4Connect the Cable to the Outdoor Unit 11.3.3Evacuation of the Equipment11.3.5.1Cutting and flaring the piping 11.3.5Piping Insulation12. Operation Control 12.1.1Internal Setting Temperature12.1 Basic Function 12.1.2Cooling Operation12.1.5Automatic Operation 12.2 Indoor Fan Motor Operation12.1.6Fan Operation 12.2.1Basic Rotation Speed rpmB. Feedback control 12.3 Outdoor Fan Motor Operation12.4.1Vertical Airflow 12.4 Airflow Direction12.4.2Horizontal Airflow 12.6 Quiet Operation Heating12.8 Timer Control 12.7 Powerful Mode Operation12.8.1ON Timer Control 12.8.2OFF Timer ControlDisclaimer 12.12 AUTO COMFORT and ECONAVI Operation12.12.1 Human Activity Sensor 12.12.1.1 Signal Detection12.12.1.2 Information Log 12.12.1.8 Setting Temperature and Fan Speed Shift12.12.1.3 Human Position Analysis 12.12.1.4 Human Activity Level Judgment12.12.1.9 Rhythmic Temperature Wave Operation 12.12.1.11 Human Activity Sensor Abnormality 12.12.1.10 ECONAVI and AUTO COMFORT Demo Mode12.12.1.12 Human Activity Sensor Check Mode 13.1.3IPM Power transistor Prevention Control 13.1.1Restart Control Time Delay Safety Control13. Protection Control 13.1 Protection Control For All Operations13.1.4Compressor Overheating Prevention Control 13.1.6Low Frequency Protection Control13.1.7Low Frequency Protection Control 13.2.2Cooling Overload Control 13.2.1Outdoor Air Temperature Control13.2.3Freeze Prevention Control 13.2.4Freeze Prevention Control13.3.2Outdoor Air Temperature Control 13.3.1Intake Air Temperature Control13.3 Protection Control For Heating Operation 13.2.6Odor Cut Control14.1 Auto OFF/ON Button 14. Servicing Mode14.2.2RESET RC 14.2 Remote Control Button14.2.3RESET AC 14.2.4TIMER15.1 Refrigeration Cycle System 15. Troubleshooting GuideCondition of the 15.2.2To Make a Diagnosis 15.2 Breakdown Self Diagnosis FunctionProblem 15.3 Error Codes TableDiagnosis AbnormalityIndoor high pressure 15.4 Self-diagnosisMethod Troubleshooting15.4.1H11 Indoor/Outdoor Abnormal Communication Malfunction Decision ConditionsTroubleshooting 15.4.2H12 Indoor/Outdoor Capacity Rank MismatchedMalfunction Decision Conditions Malfunction CausedšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsTroubleshooting 15.4.5H16 Outdoor Current TransformerMalfunction Decision Conditions Malfunction CausedMalfunction Decision Conditions TroubleshootingMalfunction Caused šOperation stops due to Hall IC malfunctionšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsMalfunction Decision Conditions TroubleshootingMalfunction Caused šWrong models interconnectedšFaulty connector connection šFaulty sensor 15.4.13 H36 Outdoor Gas Pipe Sensor AbnormalityšFaulty PCB TroubleshootingšFaulty PCB šFaulty connector connection šFaulty sensorTroubleshooting Malfunction Decision ConditionsMalfunction Decision Conditions TroubleshootingMalfunction Caused šOperation stops due to Hall IC malfunctionMalfunction Decision Conditions TroubleshootingMalfunction Caused šIndoor heat exchanger thermistorTroubleshooting Malfunction Decision ConditionsMalfunction Caused Troubleshooting 15.4.18 F11 4-wayValve Switching FailureMalfunction Decision Conditions Malfunction CausedTroubleshooting RemarkMalfunction Decision Conditions Malfunction CausedTroubleshooting 15.4.20 F90 Power Factor Correction ProtectionMalfunction Decision Conditions Malfunction CausedTroubleshooting 15.4.21 F91 Refrigeration Cycle AbnormalityMalfunction Decision Conditions Malfunction CausedšFaulty Outdoor PCB šFaulty compressor 15.4.22 F93 Compressor Rotation FailureTroubleshooting Malfunction Decision ConditionsTroubleshooting šDuring operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistorMalfunction Decision Conditions Malfunction CausedTroubleshooting 15.4.24 F96 IPM OverheatingMalfunction Decision Conditions Multi Models onlyšFaulty compressor tank temperature sensor 15.4.25 F97 Compressor OverheatingšFaulty outdoor unit PCB šFaulty compressor TroubleshootingšExcessive refrigerant šFaulty outdoor unit PCB 15.4.26 F98 Input Over Current DetectionTroubleshooting Malfunction Decision ConditionsTroubleshooting 15.4.27 F99 DC Peak DetectionMalfunction Decision Conditions Malfunction Caused16. Disassembly and Assembly Instructions 16.1.1To remove front grille16.1.2To remove electronic controller Figure 16.1.3To remove discharge grille16.1.4To remove control board FigureFigure Figure Figure Figure 1 Remove the 4 screws of the Top Panel 17. Technical Data 17.1 Operation Characteristics17.1.1CS-XE9PKUA CU-XE9PKUA Remote condition: High fan speed Comp. Hz: Fc šPiping Length CharacteristicRemote condition: High fan speed Comp. Hz: Fh šHeating CharacteristicCondition Indoor temperature: 68F 20C DBT šPiping Length CharacteristicOutdoor temperature 47F 8C DBT, 43F 6C WBT Remote condition High fan speed Comp. Hz Fh17.1.2CS-XE12PKUA CU-XE12PKUA šCooling CharacteristicRemote condition: High fan speed Comp. Hz: Fc Remote condition: High fan speed Comp. Hz: Fc šPiping Length CharacteristicRemote condition High fan speed Comp. Hz Fh šHeating CharacteristicCondition Indoor temperature: 68F 20C DBT šPiping Length CharacteristicOutdoor temperature: 47F 8C DBT, 43F 6C WBT Remote condition: High fan speed Comp. Hz: Fh17.2 Sensible Capacity Chart šCU-XE9PKUAšCU-XE12PKUA 18. Exploded View and Replacement Parts List 18.1 Indoor Unit18.1.1CS-XE9PKUA CS-XE12PKUA REF. NO SAFETYPART NAME & DESCRIPTION CS-XE9PKUAšAll parts are supplied from PAPAMY, Malaysia Vendor Code: 18.2 Outdoor Unit PART NAME & DESCRIPTION SAFETY REF. NOCU-XE9PKUA CU-XE12PKUAPrinted in Malaysia FY0513-0