Daikin VRV RXYMQ-A Series Service Manual page 152

Symptom-based Troubleshooting
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 fan does In operation
not rotate.
15 LCD display 88 Immediately after turning ON
or Checking the the power supply
connection.
Please stand by
appears on the
remote controller.
16 The outdoor unit After stopping operation
compressor or
the outdoor fan
does not stop.
17 The outdoor gets While stopping operation
hot.
18 Hot air comes out Hot air is felt while the system
from the system stops.
even though it
stops.
146
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.
SiME332106E
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.
Part 6 Service Diagnosis