Daikin VRV III RXYQ5-54PY1 Service Manual page 214

Si34-601A
Symptom
12 Dust comes out Dust comes out from the
from the system. system when it restarts after
the stop for an extended period
of time.
13 Odors come out In operation
from the system.
14 Outdoor unit fan In operation
does not rotate.
15 LCD display "88" Immediately after turning ON
appears on the the power supply
remote
controller.
16 The outdoor unit After stopping operation
compressor or
the outdoor unit
fan does not
stop.
17 The outdoor gets While stopping operation
hot.
18 Hot air comes Hot air is felt while the system
out from the stops.
system even
though it stops.
19 The system does The system is in dry operation. The reason is that the dry
not cool air well.
Troubleshooting
Supposed Cause
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.
It stops in order to prevent oil or
refrigerant from dwelling.
The reason is that the compressor
is warmed up to provide smooth
startup of the system.
On VRV systems, small quantity
of refrigerant is fed to indoor units
in the stopped state when other
indoor units are in operation.
operation serves not to reduce
the room temperature where
possible.
Symptom-based Troubleshooting
Countermeasure
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.
Normal operation.
It stops after a lapse of
approximately 5 to 10 minutes.
Normal operation.
Normal operation.
Change the system to cooling
operation.
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