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SiUS28-902_a
iii
Table of Contents
3.9
“
C4
” Indoor Unit: Malfunction of Thermistor (R2T) for
Heat Exchanger ..................................................................................... 96
3.10 “
C5
” Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes ........... 97
3.11 “
C9
” Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air .......... 98
3.12 “
CA
” Indoor Unit: Malfunction of Thermistor for Discharge Air ................ 99
3.13 “
CJ
” Indoor Unit: Malfunction of
Thermostat Sensor in Remote Controller ............................................ 100
3.14 “
E1
” Outdoor Unit: P.C.B. Defect .......................................................... 101
3.15 “
E3
” Outdoor Unit: Actuation of High Pressure Switch ......................... 102
3.16 “
E4
” Outdoor Unit: Actuation of Low Pressure Sensor ......................... 104
3.17 “
E5
” Inverter Compressor Motor Lock................................................... 106
3.18 “
E7
” Malfunction of Outdoor Unit Fan Motor ......................................... 108
3.19 “
E9
” Outdoor Unit: Malfunction of Moving Part of
Electronic Expansion Valve (Y1E) ....................................................... 109
3.20 “
F3
” Outdoor Unit: Abnormal Discharge Pipe Temperature ................. 111
3.21 “
F6
” Outdoor Unit: Refrigerant Overcharged ........................................ 112
3.22 “
H9
” Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air .... 113
3.23 “
J3
” Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T).... 114
3.24 “
J5
” Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for
Suction Pipe 1, 2 .................................................................................. 115
3.25 “
J6
” Outdoor Unit: Malfunction of Thermistor (R4T) for
Outdoor Unit Heat Exchanger .............................................................. 116
3.26 “
JA
” Outdoor Unit: Malfunction of High Pressure Sensor ..................... 117
3.27 “
JC
” Outdoor Unit: Malfunction of Low Pressure Sensor ...................... 119
3.28 “
L1
” Outdoor Unit: Malfunction of P.C.B. .............................................. 121
3.29 “
L4
” Outdoor Unit: Malfunction of
Inverter Radiating Fin Temperature Rise ............................................. 122
3.30 “
L5
” Outdoor Unit: Inverter Compressor Abnormal............................... 123
3.31 “
L8
” Outdoor Unit: Inverter Current Abnormal ...................................... 124
3.32 “
L9
” Outdoor Unit: Inverter Start up Error ............................................. 126
3.33 “
LC
” Outdoor Unit: Malfunction of Transmission between
Inverter and Control P.C.B. .................................................................. 127
3.34 “
P4
” Outdoor Unit: Malfunction of
Inverter Radiating Fin Temperature Rise Sensor................................. 128
3.35 “
U0
” Outdoor Unit: Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure ..................................................... 129
3.36 “
U2
” Power Supply Insufficient or Instantaneous Failure ...................... 131
3.37 “
U3
” Check Operation not Executed ..................................................... 133
3.38 “
U4
” Malfunction of Transmission between
Indoor Units and Outdoor Units ........................................................... 134
3.39 “
U5
” Malfunction of Transmission between
Remote Controller and Indoor Unit ...................................................... 136
3.40 “
U8
” Malfunction of Transmission between
Main and Sub Remote Controllers ....................................................... 137
3.41 “
UE
” Malfunction of Transmission between
Centralized Remote Controller and Indoor Unit ................................... 138
3.42 “
UF
” System is not Set yet .................................................................... 140
3.43 “
UH
” Malfunction of System,
Refrigerant System Address Undefined............................................... 141
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...