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Panasonic CS-CE9JKE 15.4.8. H28 (Outdoor Pipe Temperature Sensor Abnormality)

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15.4.8. H28 (Outdoor Pipe Temperature Sensor Abnormality)

Malfunction Decision Conditions

During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are

used to determine sensor errors.

Malfunction Caused

• Faulty connector connection.

• Faulty sensor.

• Faulty PCB.

Troubleshooting

Contents

Main Air Conditioner Indoor Unit Outdoor Unit CS-CE9JKE CU-CE9JKE CS-CE12JKE CU-CE12JKE TABLE OF CONTENTS Page 1 Safety Precautions Page 2 Specifications Page Page Page Page Page 3 Features Page Page Page Page Page Page Page Page Page Page 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 11.2. Indoor Unit 11.2.1. How to Fix Installation Plate 11.2.3. Indoor Unit Installation 11.2.2. To Drill a Hole in the Wall and Install a Sleeve of Piping Page 11.2.4. Connect the Cable to the Indoor Unit 11.3. Outdoor Unit 11.3.1. Install the Outdoor Unit 11.3.2. Connect the Piping 11.3.3. Evacuation of the Equipment 11.3.4. Connect the Cable to the Outdoor Unit 11.3.5. Pipe Insulation 12 Operation and Control 12.1. Basic Function 12.1.5. Automatic Operation 12.1.6. Fan Operation 12.2. Indoor Fan Motor Operation 12.3. Outdoor Fan Motor Operation 12.4. Airflow Direction 12.4.1. Vertical Airflow 12.4.2. Horizontal Airflow 12.5. Timer Control 12.5.1. ON Timer Control 12.5.2. OFF Timer Control 12.6. Auto Restart Control 12.7. Indication Panel 13 Protection Control 13.1. Protection Control For All Operations 13.1.1. Restart Control (Time Delay Safety Control) 13.1.2. 30 Seconds Forced Operation 13.1.3. Total Running Current Control 13.1.5. Compressor Overheating Prevention Control 13.1.6. Low Pressure Prevention Control (Gas Leakage Detection) 13.1.7. Low Frequency Protection Control 1 13.1.8. Low Frequency Protection Control 2 13.2. Protection Control For Cooling & Soft Dry Operation 13.2.1. Outdoor Air Temperature Control 13.2.2. Cooling Overload Control 13.2.3. Freeze Prevention Control 1 13.2.4. Freeze Prevention Control 2 13.3. Protection Control For Heating Operation 14 Servicing Mode 14.1. Auto OFF/ON Button 14.2. Remote Control Button 15 Troubleshooting Guide 15.1. Refrigeration Cycle System 15.1.1. Relationship between the condition of the air conditioner and pressure and electric current 15.2. Breakdown Self Diagnosis Function 15.2.1. Self Diagnosis Function (Three Digits Alphanumeric Code) 15.3. Page 15.4. Self-diagnosis Method 15.4.1. H11 (Indoor/Outdoor Abnormal Communication) 15.4.2. 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) 15.4.9. H30 (Compressor Discharge Temperature Sensor Abnormality) Page 15.4.11. H97 (Outdoor Fan Motor - DC Motor Mechanism Locked) 15.4.12. H98 (Indoor High Pressure Protection) 15.4.13. H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) 15.4.14. F11 (4-way valve Abnormality) 15.4.15. F90 (Power Factor Correction Protection) 15.4.16. F91 (Refrigeration Cycle Abnormality) Page 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) Page Page Page Page 16.2. Outdoor Electronic Controller Removal Procedure Page Page Page Page Page Page Page Page 17.2. Sensible Capacity Chart O CU-CE12JKE O CU-CE9JKE Page Page Page [PHAAM] Printed in Malaysia SFYW0905-00