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Symptom-based Troubleshooting
SiUS281811EA
202
Part 6 Service Diagnosis
10 A white mist
comes out from
the system.
Indoor unit
In cooling operation, the
ambient humidity is high.
(This indoor unit is installed
in a place with much oil or
dust.)
Uneven temperature
distribution due to heavy stain
of the inside of the indoor unit
Clean the inside of the indoor
unit.
Indoor unit
Immediately after cooling
operation stopping, the
indoor air temperature and
humidity are low.
Hot gas (refrigerant) that has
flowed in the indoor unit results
to be vapor from the unit.
Normal operation.
Indoor and outdoor units
After the completion of
defrost operation, the
system is switched to
heating operation.
Defrosted moisture turns to be
vapor and comes out from the
units.
Normal operation.
11 The system
produces
sounds.
Indoor unit
Immediately after turning ON
the power supply, indoor unit
produces ringing sounds.
These are operating sounds of
the electronic expansion valve
of the indoor unit.
Normal operation.
This sound becomes low after a
lapse of approximately one
minute.
Indoor and outdoor units
Hissing sounds are
continuously produced while
in cooling or defrost
operation.
These sounds are produced
from gas (refrigerant) flowing
respectively through the indoor
and outdoor units.
Normal operation.
Indoor and outdoor units
Hissing sounds are
produced immediately after
the startup or stop of the
system, or the startup or
stop of defrost operation.
These sounds are produced
when the gas (refrigerant) stops
or changes flowing.
Normal operation.
Indoor unit
Faint sounds are
continuously produced while
in cooling operation or after
stopping the operation.
These sounds are produced
from the drain discharge device
in operation.
Normal operation.
Indoor unit
Creaking sounds are
produced while in heating
operation or after stopping
the operation.
These sounds are produced
from resin parts expanding and
contracting with temperature
changes.
Normal operation.
Outdoor unit
Pitch of operating sounds
changes.
The reason is that the
compressor changes the
operating frequency.
Normal operation.
12 Dust comes out
from the
system.
Dust comes out from the
system when it restarts after
the stop for an extended
period of time.
Dust, which has deposited on
the inside of indoor unit, is
blown out from the system.
Normal operation.
13 Odors come out
from the
system.
In operation
Odors of room, cigarettes or
else adsorbed to the inside of
indoor unit are blown out.
The inside of the indoor unit
should be cleaned.
14 Outdoor fan
does not rotate.
In operation
The reason is that fan
revolutions are controlled to put
the operation to the optimum
state.
Normal operation.
15 LCD display
88
or
Checking
the
connection.
Please stand
by.
appears on
the remote
controller.
Immediately after turning ON
the power supply
The reason is that the system is
checking to be sure the remote
controller is normal.
Normal operation.
This code is displayed for a
period of approximately one
minute at maximum.
Symptom
Supposed Cause
Countermeasure
Содержание SkyAir RZR-TA Series
Страница 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Страница 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Страница 321: ...SiUS281811EA 315 Part 7 Appendix 1 Wiring Diagrams 316 1 1 Outdoor Unit 316 1 2 Indoor Unit 320 Part 7 Appendix...
Страница 322: ...Wiring Diagrams SiUS281811EA 316 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RZR18 24TAVJU RZQ18 24TAVJU 3D115455...
Страница 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Страница 324: ...Wiring Diagrams SiUS281811EA 318 Part 7 Appendix RZR30 36 42 48TAVJU RZQ30 36 42 48TAVJU 3D115456...
Страница 325: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 319 RZR30 36 42 48TAVJUA RZQ30 36 42 48TAVJUA 3D124500...
Страница 326: ...Wiring Diagrams SiUS281811EA 320 Part 7 Appendix 1 2 Indoor Unit FCQ18 24 30 36 42 48TAVJU 3D115647A...
Страница 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Страница 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Страница 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...