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Panasonic CS-E12NKUAW, CS-E9NKUAW, CU-E12NKUA, CU-E9NKUA 16.4.22 F93 (Compressor Rotation Failure)

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16.4.22 F93 (Compressor Rotation Failure)

Malfunction Decision Conditions

A compressor rotation failure is detected by checking the compressor running condition through the position

detection circuit.

Malfunction Caused

 Compressor terminal disconnect

 Outdoor PCB malfunction

Troubleshooting

Contents

Main Indoor Unit Outdoor Unit CS-E9NKUAW CS-E12NKUAW CU-E9NKUA CU-E12NKUA TABLE OF CONTENTS Page 1. Safety Precautions Page 2. Specification Page Page 3. Features Page Page 5.2 Outdoor Unit 6. Refrigeration Cycle Diagram Page Page Page Page Page 10. Printed Circuit Board 10.1 Indoor Unit Page Page 11. Installation Instruction 11.1 Select the Best Location 11.1.1 Indoor Unit 11.1.2 Outdoor Unit 11.1.3 Indoor/Outdoor Unit Installation Diagram Page 11.2.4 Connect the Cable to the Indoor Unit 11.2.5 Wiring Stripping and connecting requirement 11.2.5.1 Cutting and flaring the piping 11.3 Outdoor Unit 11.3.1 Install the Outdoor Unit 11.3.2 Connect the Piping 11.3.2.1 Connecting the piping to indoor 11.3.2.2 Connecting the piping to outdoor 11.3.2.3 Connecting the piping to outdoor multi 11.3.2.4 Gas Leak Checking 11.3.3 Evacuation of the equipment 11.3.3.1 Connect the Cable to the Outdoor Unit 11.3.3.2 Piping Insulation 12. Operation Control 12.1 Basic Function 12.1.4.2 Automatic Operation 12.2 Indoor Fan Motor Operation 12.2.1 Basic Rotation Speed (rpm) 12.3 Outdoor Fan Motor Operation 12.4 Airflow Direction 12.4.1 Vertical Airflow 12.4.2 Horizontal Airflow 12.5 Quiet Operation (Cooling Mode/Cooling Area of Dry Mode) 12.6 Quiet Operation (Heating) 12.7 Powerful Mode Operation 12.8 Timer Control 12.8.1 ON Timer Control 12.8.2 OFF Timer Control 12.9 Auto Restart Control 12.10 Indication Panel 13. Operation Control (For Multi Split Connection) 13.1 Cooling operation 13.1.1 Thermostat control 13.2 Soft Dry Operation 13.2.1 Thermostat control 13.4 Automatic Operation 13.5 Indoor Fan Motor Operation 13.5.1 Residual Heat Removal Control 13.6 Powerful Mode Operation 13.7 Auto restart control 14. Protection Control 14.1 Protection Control For All Operations 14.1.1 Restart Control (Time Delay Safety Control) 14.1.2 30 Seconds Forced Operation 14.1.3 Total Running Current Control 14.2 Protection Control For Cooling & Soft Dry Operation 14.2.1 Outdoor Air Temperature Control 14.2.2 Cooling Overload Control 14.2.3 Freeze Prevention Control 1 14.2.4 Freeze Prevention Control 2 14.2.5 Dew Prevention Control 1 14.2.6 Protection Control For Heating Operation 14.2.6.1 Intake Air Temperature Control 14.2.6.2 Outdoor Air Temperature Control 14.2.6.3 Overload Protection Control 14.2.6.4 Low Temperature Compressor Oil Return Control 14.2.6.5 Cold Draught Prevention Control 14.2.6.6 Deice Operation 15. Servicing Mode 15.1 Auto Off/On Button 15.2 Remote Control Button 15.2.1 SET Button 15.2.2 RESET (RC) 15.2.3 RESET (AC) 15.2.4 TIMER 16. Troubleshooting Guide 16.1 Refrigeration Cycle System Page 16.2 Breakdown Self Diagnosis Function 16.2.1 Self Diagnosis Function (Three Digits Alphanumeric Code) 16.2.2 To Make a Diagnosis 16.2.3 To Display Memorized Error Code (Protective Operation) 16.2.4 To Clear Memorized Error Code after Repair (Protective Operation) Page Page 16.4 Self-diagnosis Method 16.4.1 H11 (Indoor/Outdoor Abnormal Communication) 16.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched) 16.4.3 H14 (Indoor Intake Air Temperature Sensor Abnormality) 16.4.4 H15 (Compressor Temperature Sensor Abnormality) 16.4.5 H16 (Outdoor Current Transformer Open Circuit) 16.4.6 H19 (Indoor Fan Motor DC Motor Mechanism Locked) 16.4.7 H23 (Indoor Pipe Temperature Sensor Abnormality) 16.4.8 H27 (Outdoor Air Temperature Sensor Abnormality) 16.4.9 H28 (Outdoor Pipe Temperature Sensor Abnormality) 16.4.10 H30 (Compressor Discharge Temperature Sensor Abnormality) 16.4.11 H32 (Outdoor Heat Exchanger Temperature Sensor 2 Abnormality) 16.4.12 H33 (Unspecified Voltage between Indoor and Outdoor) 16.4.13 H36 (Outdoor Gas Pipe Sensor Abnormality) 16.4.14 H37 (Outdoor Liquid Pipe Temperature Sensor Abnormality) 16.4.15 H97 (Outdoor Fan Motor DC Motor Mechanism Locked) 16.4.16 H98 (Indoor High Pressure Protection) 16.4.17 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) 16.4.18 F11 (Indoor Pipe Temperature Sensor Abnormality) 16.4.19 F17 (Indoor Standby Units Freezing Abnormality) 16.4.20 F90 (Power Factor Correction Protection) 16.4.21 F91 (Refrigeration Cycle Abnormality) 16.4.22 F93 (Compressor Rotation Failure) 16.4.23 F95 (Cooling High Pressure Abnormality) 16.4.24 F96 (IPM Overheating) 16.4.25 F97 (Compressor Overheating) 16.4.26 F98 (Input Over Current Detection) 16.4.27 F99 (Output Over Current Detection) 17. Disassembly and Assembly Instructions 17.1 Indoor Electronic Controllers, Cross Flow Fan and Indoor Fan Motor Removal Procedures 17.1.1 To remove front grille 17.1.1.1 To remove power electronic controller Page Page Page 79 18. Technical Data 18.1 Operation Characteristics 18.1.1 CS-E9NK CU-E9NK Page Page Page 18.1.2 CS-E12NK CU-E12NK Page Page Page 19. Exploded View and Replacement Parts List 19.1 Indoor Unit Page 19.2 Outdoor Unit 90