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Daikin Manuals
Air Conditioner
SkyAir FCQ18PVJU
Service manual
Daikin FCQ18PVJU Service Manual page 73
Split system air conditioners skyair inverter r-410a heat pump 60hz p series
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Also See for FCQ18PVJU
:
Engineeiring data
(62 pages)
,
Installation manual
(16 pages)
,
Operation manual
(15 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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SiUS28-902_a
4. Troubleshooting by Indication on
5. Troubleshooting by Indication on the Unified ON/OFF Controller
.......150
Troubleshooting
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
the Centralized Remote Controller
.............................................143
4.1 "UE" Malfunction of Transmission between
Centralized Remote Controller and Indoor Unit
................................... 143
4.2 "M1" P.C.B. Defect
................................................................................ 145
4.3 "M8" Malfunction of Transmission between
Optional Controllers for Centralized Control
........................................ 146
4.4 "MA" Improper Combination of Optional Controllers for
Centralized Control
.............................................................................. 147
4.5 "MC" Address Duplication, Improper Setting
......................................... 149
5.1 Operation Lamp Blinks
......................................................................... 150
5.2 Display "Under Host Computer Integrate Control" Blinks
(Repeats Single Blink)
......................................................................... 152
5.3 Display "Under Host Computer Integrate Control" Blinks
(Repeats Double Blink)
........................................................................ 155
66
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Chapters
Skyair Inverter P Series R-410A Heat Pump 60Hz
2
Part 2 Specifications
11
Refrigerant Circuit Part 4
18
Part 5 Function
22
Part 6 Test Operation
48
Part 7 Troubleshooting
72
Part 8 Appendix
166
Table of Contents
Troubleshooting
Part 7 Troubleshooting
72
Symptom-based Troubleshooting
74
Troubleshooting by Remote Controller
77
Troubleshooting by Indication on the Remote Controller
92
troubleshooting
95
Troubleshooting
125
Troubleshooting by Indication on
150
Troubleshooting by Indication on the Unified ON/OFF Controller
157
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