Hitachi RPC-4.0FSNE - Electric Noise; Indications in Abnormal Condition; Indications in Normal Condition; Power Failure

7
PMGB0126A rev.2 - 11/2006
English
REMOTE CONTROL
INDICATIONS 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 or stopped (depends of selection).
The louver is fixed at the horizontal or 35° 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 started 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 IN ABNORMAL CONDITION
Abnormality
The RUN indicator (Red) blinks.
“ALARM” is indicated on the liquid crystal display.
The indoor unit number, the alarm code and the model code 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 service contractor 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:
If the wireless remote control switch is used 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 controls
■
■
■
-
-
MED
MED
A/C
A/C
ADDS
RN


 .
 
ABN L
ABN L
COOL
COOL
Indoor Unit
Indicated for a
second alterately
Connected number of
indoor units
Refrigerant cycle
number
Alarm code
Model code
Alarm code
Model code
Indication Model

Heat pump

Inverter

Multi

Only Cooling

Others