Hitachi PC-ARF1 - In Abnormal Condition; Abnormality; Power Failure; Electromagnetic Interference (EMI)

P5417005
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10.2 In Abnormal Condition
10.2.1 Abnormality
• The RUN indicator (red) ashing.
• The indoor unit number, the alarm code, the
model code and the connected number of
indoor units are displayed on the LCD.
• If two or more indoor units are connected,
the above functions for each indoor unit are
displayed one-by-one.
10.2.2 Power Failure
• All the indications are OFF.
• Once the unit is stopped by power failure, the
unit will not be started again although power
recovers. Perform the starting procedures
again.
• If the power recovers within two seconds, the
unit will start again automatically.
10.2.3 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 micro
computer for the unit protection from the
Electromagnetic Interference (EMI).
Perform the starting procedures again.