Panasonic Air Conditioner - LMG

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15.4.13. H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error code will not display (no TIMER LED blinking) but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place (when indoor pipe temperature is lower than 2°C) Malfunction Caused • <strong>Air</strong> short circuit at indoor unit • Clogged indoor unit air filter • Dust accumulation on the indoor unit heat exchanger • 2/3 way valve closed • Faulty indoor unit fan motor • Refrigerant shortage (refrigerant leakage) • Clogged expansion valve or strainer • Faulty indoor pipe temperature sensor • Faulty indoor unit PCB Troubleshooting 58
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 59
Page 1 and 2:
TABLE OF CONTENTS 1 Safety Precauti
Page 3 and 4:
1 Safety Precautions • Read the f
Page 5 and 6:
2 Specifications MODEL INDOOR OUTDO
Page 7 and 8: MODEL Indoor Operation Range Outdoo
Page 9 and 10: MODEL Outdoor Fan Type Propeller Fa
Page 11 and 12: 3 Features • Inverter Technology
Page 13 and 14: 5 Dimensions 5.1. Indoor Unit 13
Page 15 and 16: 6 Refrigeration Cycle Diagram 15
Page 17 and 18: 8 Wiring Connection Diagram 8.1. In
Page 19 and 20: 9 Electronic Circuit Diagram 9.1. I
Page 21 and 22: 10 Printed Circuit Board 10.1. Indo
Page 23 and 24: 10.2. Outdoor Unit 23
Page 25 and 26: 11.2. Indoor Unit 11.2.1. How to Fi
Page 27 and 28: 11.2.4. Connect the Cable to the In
Page 29 and 30: 11.3. Outdoor Unit 11.3.1. Install
Page 31 and 32: 12 Operation and Control 12.1. Basi
Page 33 and 34: [Heating] • According to indoor p
Page 35 and 36: 13 Protection Control 13.1. Protect
Page 37 and 38: 13.2. Protection Control For Coolin
Page 39 and 40: 14 Servicing Mode 14.1. Auto OFF/ON
Page 41 and 42: 15 Troubleshooting Guide 15.1. Refr
Page 43 and 44: 15.2. Breakdown Self Diagnosis Func
Page 45 and 46: Diagnosis display Abnormality / Pro
Page 47 and 48: 15.4.2. H14 (Indoor Intake Air Temp
Page 49 and 50: 15.4.4. H16 (Outdoor Current Transf
Page 51 and 52: 15.4.6. H23 (Indoor Pipe Temperatur
Page 53 and 54: 15.4.8. H28 (Outdoor Pipe Temperatu
Page 55 and 56: 15.4.10. H33 (Unspecified Voltage b
Page 57: 15.4.12. H98 (Indoor High Pressure
Page 61 and 62: 15.4.16. F91 (Refrigeration Cycle A
Page 63 and 64: 15.4.18. F95 (Cooling High Pressure
Page 65 and 66: 15.4.20. F97 (Compressor Overheatin
Page 67 and 68: 15.4.22. F99 (Output Over Current D
Page 69 and 70: 16.1.3. To remove discharge grille
Page 72 and 73: 16.2. Outdoor Electronic Controller
Page 77: 17.1.2. CU-CE12LKE 77
Page 82 and 83: 18 Exploded View and Replacement Pa
Page 84 and 85: 18.2. Outdoor Unit Note The above e
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Panasonic Air Conditioner - LMG

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