SiAU18-715
Troubleshooting for Outdoor Unit
Troubleshooting
385
7.26
Low Pressure Drop Due to Refrigerant Shortage or
Electronic Expansion Valve Failure
Remote
Controller
Display
U0
Applicable
Models
AII outdoor unit models
Method of
Malfunction
Detection
Short of gas malfunction is detected by discharge pipe temperature thermistor and low pressure
saturation temperature.
Malfunction
Decision
Conditions
Microcomputer judge and detect if the system is short of refrigerant.
★
Malfunction is not decided while the unit operation is continued.
Supposed
Causes
Out of gas or refrigerant system clogging (incorrect piping)
Defect of pressure sensor
Defect of outdoor unit PCB (A1P)
Defect of thermistor R3T
Содержание E Series
Страница 1: ...SiAU18 715 Applied Models Super Multi Plus Cooling Only Super Multi Plus Heat Pump E Series ...
Страница 26: ...SiAU18 715 Specifications 13 Part 2 Specifications 1 Specifications 14 1 1 Cooling Only 14 1 2 Heat Pump 23 ...
Страница 87: ...Refrigerant Flow for Each Operation Mode SiAU18 715 74 Refrigerant Circuit ...
Страница 139: ...Indoor Unit SkyAir Models SiAU18 715 126 Function ...
Страница 177: ...Test Operation and Field Setting for RA Indoor Unit SiAU18 715 164 Test Operation ...
Страница 299: ...Instruction SiAU18 715 286 Operation Manual 2 6 Ceiling Suspended Type ...
Страница 326: ...SiAU18 715 Service Check Function Troubleshooting 313 ...
Страница 423: ...Method of Replacing The Inverter s Power Transistors Modules SiAU18 715 410 Troubleshooting ...
Страница 443: ...Wiring Diagrams SiAU18 715 430 Appendix ...
Страница 449: ...SiAU18 715 vi Index ...