Symptom-based Troubleshooting
14
7 The system
conducts fan
operation but
not cooling or
heating
operation.
This symptom
occurs
immediately after
turning ON the
power supply.
The system is in
preparation mode
of operation.
Wait for a period
of approximately
10 minutes.
8 The airflow
rate is not
reproduced
according to
the setting.
Even pressing the
AIRFLOW RATE
SET button
makes no
changes in the
airflow rate.
In heating operation,
when the room
temperature reaches
the set degree, the
outdoor unit will stop
while the indoor unit
is brought to fan LL
operation so that no
one gets cold air.
Furthermore, if fan
operation mode is
selected when other
indoor unit is in
heating operation,
the system will be
brought to fan LL
operation.
(The fan LL
operation is also
enabled while in oil
return mode in
cooling operation.)
Normal operation.
9 The airflow
direction is
not
reproduced
according to
the setting.
The airflow
direction is not
corresponding to
that displayed on
the remote
controller.
The flap does not
swing.
Automatic control Normal operation.
Symptom
Supposed Cause Countermeasure
Содержание VRVII
Страница 1: ...Pocket Manual Service Diagnosis Si30 701_A...
