Daikin SkyAir RZR-TA Series Service Manual page 208

Symptom-based Troubleshooting
Symptom
10 A white mist Indoor unit
comes out from In cooling operation, the
the system. ambient humidity is high.
(This indoor unit is installed
in a place with much oil or
dust.)
Indoor unit
Immediately after cooling
operation stopping, the
indoor air temperature and
humidity are low.
Indoor and outdoor units
After the completion of
defrost operation, the
system is switched to
heating operation.
11 The system Indoor unit
produces Immediately after turning ON
sounds. the power supply, indoor unit
produces ringing sounds.
Indoor and outdoor units
Hissing sounds are
continuously produced while
in cooling or defrost
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.
Indoor unit
Faint sounds are
continuously produced while
in cooling operation or after
stopping the operation.
Indoor unit
Creaking sounds are
produced while in heating
operation or after stopping
the operation.
Outdoor unit
Pitch of operating sounds
changes.
12 Dust comes out Dust comes out from the
from the system when it restarts after
system. the stop for an extended
period of time.
13 Odors come out In operation
from the
system.
14 Outdoor fan In operation
does not rotate.
15 LCD display 88 Immediately after turning ON
or Checking the power supply
the
connection.
Please stand
by. appears on
the remote
controller.
202
Supposed Cause
Uneven temperature
distribution due to heavy stain
of the inside of the indoor unit
Hot gas (refrigerant) that has
flowed in the indoor unit results
to be vapor from the unit.
Defrosted moisture turns to be
vapor and comes out from the
units.
These are operating sounds of
the electronic expansion valve
of the indoor unit.
These sounds are produced
from gas (refrigerant) flowing
respectively through the indoor
and outdoor units.
These sounds are produced
when the gas (refrigerant) stops
or changes flowing.
These sounds are produced
from the drain discharge device
in operation.
These sounds are produced
from resin parts expanding and
contracting with temperature
changes.
The reason is that the
compressor changes the
operating frequency.
Dust, which has deposited on
the inside of indoor unit, is
blown out from the system.
Odors of room, cigarettes or
else adsorbed to the inside of
indoor unit are blown out.
The reason is that fan
revolutions are controlled to put
the operation to the optimum
state.
The reason is that the system is
checking to be sure the remote
controller is normal.
SiUS281811EA
Countermeasure
Clean the inside of the indoor
unit.
Normal operation.
Normal operation.
Normal operation.
This sound becomes low after a
lapse of approximately one
minute.
Normal operation.
Normal operation.
Normal operation.
Normal operation.
Normal operation.
Normal operation.
The inside of the indoor unit
should be cleaned.
Normal operation.
Normal operation.
This code is displayed for a
period of approximately one
minute at maximum.
Part 6 Service Diagnosis