Si-95
ii
Table of Contents
1.6
Cool/Heat Mode Switching .................................................................... 56
1.7
Low Noise Operation ............................................................................. 58
1.8
Demand Control .................................................................................... 59
1.9
Wiring Check Operation ........................................................................ 60
1.10 Indoor Field Setting ............................................................................... 61
1.11 Centralized Control Group No. Setting .................................................. 63
1.12 Setting of Master Remote Controller ..................................................... 65
1.13 Remote Controller Self-Diagnosis Function .......................................... 67
1.14 Operation of the Remote Controller’s Inspection / Test
Operation Button ................................................................................... 70
1.15 Remote Controller Service Mode .......................................................... 71
Part 4 Troubleshooting Inverter K Series ..................................73
1. Diagnosis by Malfunction Code.............................................................75
1.1
Diagnosis by Malfunction Code ............................................................. 75
1.2
Failure Diagnosis................................................................................... 76
2. Troubleshooting ....................................................................................77
2.1
Indoor Unit: Error of External Protection Device.................................... 77
2.2
Indoor Unit: PC Board Defect ................................................................ 78
2.3
Indoor Unit: Malfunction of Drain Level Control System (33H).............. 79
2.4
Indoor Unit: Fan Motor (M1F) Lock, Overload....................................... 80
2.5
Indoor Unit: Malfunction of Swing Flap Motor (M1S)............................. 81
2.6
Indoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)......................................................... 82
2.7
Indoor Unit: Drain Level above Limit ..................................................... 83
2.8
Indoor Unit: Malfunction of Capacity Determination Device .................. 84
2.9
Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe ................ 85
2.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ................. 86
2.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet...................... 87
2.12 Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller ... 88
2.13 Outdoor Unit: Actuation of Safety Device .............................................. 89
2.14 Outdoor Unit: PC Board Defect ............................................................. 90
2.15 Outdoor Unit: Actuation of High Pressure Switch.................................. 91
2.16 Outdoor Unit: Actuation of Low Pressure Sensor.................................. 92
2.17 Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E)......................................................... 93
2.18 Outdoor Unit: Abnormal Discharge Pipe Temperature.......................... 94
2.19 Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)............. 95
2.20 Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T) ............ 96
2.21 Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe ........... 97
2.22 Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger ..... 98
2.23 Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor............. 99
2.24 Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor............... 100
2.25 Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T) ........ 101
2.26 Low Pressure Drop Due to Refrigerant Shortage
or Electronic Expansion Valve Failure................................................. 102
2.27 Negative Phase, Open Phase ............................................................. 103
2.28 Malfunction of Transmission Between Indoor Units ............................ 104
2.29 Malfunction of Transmission Between Remote Controller
and Indoor Unit .................................................................................... 105
2.30 Malfunction of Transmission Between Outdoor Units.......................... 106
SI-95.BOOK Page ii Friday, March 31, 2000 10:59 AM
