Troubleshooting for Outdoor Unit
SiAU18-715
396
Troubleshooting
7.33
Excessive Number of Indoor Units
Remote
Controller
Display
UA
Applicable
Models
AII indoor unit models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Excess of connected indoor units
Defect of outdoor unit PCB (A1P)
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor PCB was not conducted after replacing to spare parts PCB.
Troubleshooting
∗
The number of indoor units that can be connected to a single outdoor unit system depends on
the type of outdoor unit.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Push and hold the RESET
button on the outdoor unit
PC board for 5 seconds.
Does a
malfunction occur?
Is the
outdoor P.C. board
replaced to spare parts
PC board?
Does the
refrigerant type of
indoor and outdoor
unit match?
The total
of indoor units
displaying "UA" and
indoor units connected to
the same refrigerant system
is within connectable
number of unit
∗
The refrigerant
classification has not been
set yet.
Replace outdoor unit PC
board (A1P).
(Q0582)
YES
NO
YES
YES
There are too many indoor
units within the same
refrigerant system.
NO
Normal
NO
Matches the refrigerant
type of indoor and outdoor
unit.
NO
YES
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 ...