Power Failure; Electromagnetic Interference (Emi) - Hitachi PC-ARFG-E Installation & Operation Manual

IN ALARM CONDITION

10.1 POWER FAILURE

• All the indicatiors 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.

10.2 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.
99 PMML0565 rev.0 - 09/2021