Indications In Abnormal Condition; Power Failure - Hitachi HRNM Serie Installations- Und Betriebshandbuch

5.1.8. INDICATIONS IN ABNORMAL CONDITION

Abnormal
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.
Ruidos eléctricos
There could be a case that all the indications are OFF and the unit is stopped.
This occurred by 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 they are
not removed, the unit will not operate.
Los datos memorizados no se pueden borrar a menos que se inicialice el
control remoto.
REMOTE CONTROL OPERATION
Indoor Unit Number
Model code
Indicated for a
second alternately
Connected No. of Indoor Units
Model code
Indication
Heat pump
Only cooling
11
Alarm Code
Alarm Code
Model
Inverter
Multi
Others