Symptom-based Troubleshooting
SiBE37-701_B
241
Troubleshooting
Symptom
Supposed Cause
Countermeasure
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 unit 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"
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.
16 The outdoor unit
compressor or
the outdoor unit
fan does not
stop.
After stopping operation
It stops in order to prevent oil or
refrigerant from dwelling.
Normal operation.
It stops after a lapse of
approximately 5 to 10 minutes.
17 The outdoor gets
hot.
While stopping operation
The reason is that the compressor
is warmed up to provide smooth
startup of the system.
Normal operation.
18 Hot air comes
out from the
system even
though it stops.
Hot air is felt while the system
stops.
On VRV systems, small quantity
of refrigerant is fed to indoor units
in the stopped state when other
indoor units are in operation.
Normal operation.
19 The system does
not cool air well.
The system is in dry operation. The reason is that the dry
operation serves not to reduce
the room temperature where
possible.
Change the system to cooling
operation.
Содержание REYQ8-48PY1B
Страница 1: ...Service Manual REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701_B ...
Страница 456: ...Piping Installation Point SiBE37 701_B 445 Appendix ...
Страница 460: ...Example of connection SiBE37 701_B 449 Appendix ...
Страница 476: ...Revision History Date News No Contents 2010 9 10 M 10011 Correction of service manual ...