Operation Instructions
8
Operation Instructions
◆
Other Indications
＊
Indications When in Normal Condition
Defrost
When the defrost operation is performed.
●
" DEFROST " indication is ON.
(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.
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 filter. The
" FILTER " indication is OFF.
＊
Indications When In Abnormal Condition
Abnormality
●
The RUN indicator (Red) is ON.
●
" 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 occured by
the activation of the micro computer for the unit
protection from the electric noise.
