Panasonic Air Conditioner - LMG

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15.4. Self-diagnosis Method 15.4.1. H11 (Indoor/Outdoor Abnormal Communication) Malfunction Decision Conditions During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction Caused • Faulty indoor unit PCB. • Faulty outdoor unit PCB. • Indoor unit-outdoor unit signal transmission error due to wrong wiring. • Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units. • Indoor unit-outdoor unit signal transmission error due to disturbed power supply waveform. Troubleshooting 46
15.4.2. H14 (Indoor Intake <strong>Air</strong> Temperature Sensor Abnormality) Malfunction Decision Conditions During startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction Caused • Faulty connector connection. • Faulty sensor. •Faulty PCB. Troubleshooting 47
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: Diagnosis display Abnormality / Pro
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 and 58: 15.4.12. H98 (Indoor High Pressure
Page 59 and 60: 15.4.14. F11 (4-way valve Abnormali
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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