CS-XE9EKE, CU-XE9EKE, CS-XE12EKE, CU-XE12EKE - Panasonic Air Conditioner Service Manual (repair manual). Page 2

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12 Protection Control ---------------------------------------------- 37

12.1. Time Delay Safety Control ----------------------------- 37
12.2. 30 Seconds Forced Operation ------------------------ 37
12.3. Total Running Current Control ------------------------ 37
12.4. IPM (Power transistor) Protection Control (DC

Peak detection -------------------------------------------- 37

12.5. Compressor Overheating Prevention Control----- 37
12.6. Outdoor High Pressure Prevention Control

(Cooling and Dry operations) ------------------------- 37

12.7. Compressor Protection Control (Refrigeration

Cycle Abnormality)--------------------------------------- 37

12.8. Four-way Valve Operation Detection Control

(Switching Abnormality between Cooling and
Heating)----------------------------------------------------- 38

12.9. Anti-Freezing Control (Cooling and Dry

operations) ------------------------------------------------- 38

12.10. Outdoor Air Temperature Control -------------------- 38

12.11. Indoor Intake Air Temperature Control

(Heating operation) -------------------------------------- 38

13 Servicing Mode -------------------------------------------------- 39

13.1. Auto OFF/ON Button ------------------------------------ 39
13.2. Various Setting Mode ----------------------------------- 40
13.3. Individual Correspondence Mode -------------------- 41
13.4. Select Remote Control Transmission Code ------- 42

14 Demo Mode ------------------------------------------------------- 43
15 Troubleshooting Guide---------------------------------------- 44

15.1. Refrigeration Cycle System --------------------------- 44
15.2. Relationship Between The Condition of The

Air Conditioner and Pressure and Electric
Current ------------------------------------------------------ 45

15.3. Breakdown Self Diagnosis Function ---------------- 46
15.4. Error Codes Table---------------------------------------- 47
15.5. Movable Front Panel Malfunction  ------------------- 48
15.6. Initial Operation After Installation--------------------- 48
15.7. Error During Filter Cleaning Operation ------------- 48
15.8. Error During Ventilation Operation ------------------- 48

16 Disassembly and Assembly Instructions --------------- 49

16.1. Indoor Electronic Controller, Auto Cleaning,

Cross Flow Fan and Fan Motor Removal
Procedures------------------------------------------------- 49

16.2. Filter Cleaning Device Complete Removal

Instructions------------------------------------------------- 53

16.3. Ventilation Device Removal Instructions ----------- 55
16.4. Gear Removal Instructions ---------------------------- 56
16.5. Outdoor Propeller Fan and Fan Motor -------------- 57

17 Technical Data---------------------------------------------------- 59

17.1. CS-XE9EKE CU-XE9EKE ----------------------------- 59
17.2. CS-XE12EKE CU-XE12EKE -------------------------- 67
17.3. Sensible Capacity Chart-------------------------------- 75

18 Exploded View and Replacement Parts List ----------- 76

18.1. Indoor Unit ------------------------------------------------- 76
18.2. Outdoor Unit ----------------------------------------------- 78