In Alarm Condition; Power Failure; Electromagnetic Interference (Emi) - Hitachi PC-ARFG2-A Operation Manual

9. In Alarm Condition

Indoor unit number
(Refrigerant system-address number)
01-02
Alarm Code:
MODEL : F .08
IDU : TIC4024B21S
ODU : TVWHR096B32S
Alarm Reset
Installed unit number
•
The RUN indicator flashes.
•
The indoor unit number, alarm code, model code, and the connected number of indoor units are displayed on
the screen.
•
If two or more indoor units are connected, the above functions for each indoor unit are displayed one-by-one.

9.1 Power Failure

•
All the indicators are OFF.
•
Once the air conditioner is stopped by power failure for longer than 2 seconds, the air conditioner is not
started again, although power recovers. Perform the starting procedures again.
•
If the power recovers within 2 seconds, the air conditioner starts again automatically.

9.2 Electromagnetic Interference (EMI)

•
There could be an instance where all the indications are OFF and the unit is stopped.
•
This can occur through activation of the microcomputer for the air conditioner protection from the
Electromagnetic Interference (EMI).
•
Perform the starting procedures again.
A16381TMEU
23
When more than one indoor unit is connected,
press " " or " " to show other indoor units.
Address
9. In Alarm Condition
53