Indication When In Normal Condition; Indications When In Abnormal Condition - Hitachi RAS-5FSN Installations- Und Betriebshandbuch

REMOTE CONTROLLER OPERATION
8

INDICATION WHEN IN NORMAL CONDITION

Thermo-controller
When the thermo-controller is operated, the fan speed is changed to LOW, and
the indication is not changed.
(Only in the heating operation)
Defrost
When the defrost operation is performed, "DEFROST" indication is ON.
The indoor fan is slowed down and stopped.
The louver is fixed at the horizontal position. However, the louver indication of
LCD continues to activate.
(The figure shows when setting "DEFROST" is ON).
When the unit is stopped during defrost operation, the RUN indicator(Red) is
OFF.
However, the operation continues with "DEFROST" indication, and the unit is
stopped after the defrost operation is finished.
Filter
Filter Clogging
"FILTER" indication is ON when the filter is clogged with dust, etc.Clean up the
filter. Press the RESET switch after cleaning up the filter. The "FILTER"
indication is OFF.

INDICATIONS WHEN IN ABNORMAL CONDITION

Abnormality
The RUN indicator(Red) blinks.
"ALARM" is indicated on the liquid crystal display.
The indoor unit number, the alarm code, the model code and the connected
number of indoor units are indicated on the liquid crystal display.
In the case that the plural indoor units are connected, the above items for each
indoor unit are indicated one by one.
Check the contents of the indications and contact your distributor or dealer of
HITACHI.
Power Failure
All the indications are OFF.
Once the unit is stopped by power failure, the unit will not be started again
although the power recovers. Perform the starting procedures again.
In case of instantaneous power failure within 2 seconds, the unit will be started
again automatically.
Electric Noise
There could be a case that all the indications are OFF and the unit is stopped.
This is occurred by the activation of the micro computer for the unit protection
from the electric noise.
NOTE:
In case of using the wireless remote control switch for the wall type indoor
unit, remove the connectors (CN25) connected to the indoor PCB. If not
removed, the unit can not operated.
The memorized data can not be erased unless the remote control switch is
initialized.
Indoor Unit Number
Alarm Code
Model Code
Connected No. of
Indicated for a
Indoor Units
second alternately
Alarm Code