Troubleshooting for Outdoor Unit
SiAU18-715
390
Troubleshooting
7.29
Malfunction of Transmission between Indoor Units and
Outdoor Units
Remote
Controller
Display
U4
Applicable
Models
AII indoor unit models
AII outdoor unit models
Method of
Malfunction
Detection
Microcomputer checks if transmission between indoor and outdoor units is normal.
Malfunction
Decision
Conditions
When transmission is not carried out normally for a certain amount of time
Supposed
Causes
Indoor to outdoor, outdoor to outdoor transmission wiring F1, F2 disconnection, short circuit
or wrong wiring
Outdoor unit power supply is OFF
System address doesn’t match
Defect of outdoor unit PCB
Defect of indoor unit PCB
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 ...