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00 INDEX AND FOREWORD
METHOD FOR TESTING SUNLIGHT SENSOR............................................................................ 80-48
TEST (TRIPLE) PRESSURE SWITCH FOR REFRIGERANT............................................................... 80-49
METHOD FOR TESTING (TRIPLE) PRESSURE SWITCH FOR REFRIGERANT ......................... 80-49
TEST RELAYS...................................................................................................................................... 80-50
METHOD FOR TESTING RELAYS ................................................................................................ 80-50
AIR CONDITIONER TROUBLESHOOTING CHART 1 ......................................................................... 80-51
AIR CONDITIONER TROUBLESHOOTING CHART 2 ......................................................................... 80-52
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE........................................................... 80-55
FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit............................. 80-57
FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit ............................. 80-58
FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit ........................................ 80-59
FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit ........................................ 80-61
FAILURE CODE [879CKA] Ventilating Sensor Open Circuit.................................................................. 80-63
FAILURE CODE [879CKB] Ventilating Sensor Short Circuit.................................................................. 80-64
FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit............................................. 80-65
FAILURE CODE [879EMC] Ventilation Damper Malfunction ................................................................. 80-67
FAILURE CODE [879FMC] Air Mix Damper Malfunction ....................................................................... 80-68
FAILURE CODE [879GKX] Refrigerant Pressure Input Signal Out of Range ........................................ 80-69
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE).
.......................................................................................................................................................... 80-71
A-2 TROUBLESHOOTING OF COMPRESSOR SYSTEM (AIR IS NOT COOLED) .............................. 80-72
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS
ABNORMAL) ..................................................................................................................................... 80-73
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER............................................... 80-74
TROUBLESHOOTING USING GAUGE PRESSURE............................................................................ 80-75
CONNECTION OF SERVICE TOOL ..................................................................................................... 80-78
METHOD FOR CONNECTING SERVICE TOOL ........................................................................... 80-78
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITION-
ER PIPINGS...................................................................................................................................... 80-80
HANDLE COMPRESSOR OIL .............................................................................................................. 80-82
90 CIRCUIT DIAGRAMS ............................................................................................................................... 90-1
CONTENTS ............................................................................................................................................ 90-2
HYDRAULIC CIRCUIT DIAGRAM .......................................................................................................... 90-3
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM .................................................................. 90-3
HYDRAULIC CIRCUIT DIAGRAM (1/2) ........................................................................................... 90-7
HYDRAULIC CIRCUIT DIAGRAM (2/2) ........................................................................................... 90-9
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM.........................................................................90-11
ELECTRICAL CIRCUIT DIAGRAM ....................................................................................................... 90-13
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM............................................................... 90-13
ELECTRICAL CIRCUIT DIAGRAM (1/16)...................................................................................... 90-17
ELECTRICAL CIRCUIT DIAGRAM (2/16)...................................................................................... 90-19
ELECTRICAL CIRCUIT DIAGRAM (3/16)...................................................................................... 90-21
ELECTRICAL CIRCUIT DIAGRAM (4/16)...................................................................................... 90-23
ELECTRICAL CIRCUIT DIAGRAM (5/16)...................................................................................... 90-25
ELECTRICAL CIRCUIT DIAGRAM (6/16)...................................................................................... 90-27
ELECTRICAL CIRCUIT DIAGRAM (7/16)...................................................................................... 90-29
ELECTRICAL CIRCUIT DIAGRAM (8/16)...................................................................................... 90-31
ELECTRICAL CIRCUIT DIAGRAM (9/16)...................................................................................... 90-33
ELECTRICAL CIRCUIT DIAGRAM (10/16) .................................................................................... 90-35
ELECTRICAL CIRCUIT DIAGRAM (11/16) .................................................................................... 90-37
ELECTRICAL CIRCUIT DIAGRAM (12/16) .................................................................................... 90-39
ELECTRICAL CIRCUIT DIAGRAM (13/16) .................................................................................... 90-41
ELECTRICAL CIRCUIT DIAGRAM (14/16) .................................................................................... 90-43
ELECTRICAL CIRCUIT DIAGRAM (15/16) .................................................................................... 90-45
ELECTRICAL CIRCUIT DIAGRAM (16/16) .................................................................................... 90-47
INDEX..................................................................................................................................................................1
D155AXI-8
INDEX
00-21
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