Hitachi EP-A5000 Instruction Manual page 25

Following Conditions Are Normal
Snapping noise when plugging power cord
into AC outlet
Purifier body vibration during the "Max" operation
The air from the air outlet smells.
No vapor or mist visible
Bubbling noise
Humidity level indication differs from hygrometer
reading
Shutter is stopped midway
Clicking noise during operation
Rocking water surface in the water tank
Indicators repeatedly turn on and off one after
another, and the fan is stationary
Pressing the eco button operates the ionization
setting / release of the other Hitachi air purifier
with ionizing function.
Or, pressing the ionizing button on the remote
controller for the other Hitachi air purifier with
ionizing function operates the setting / release
of eco operation.
The fan is stopped.
Symptom Cause
Electric components are energized when
power is supplied. This is normal.
Vibration is caused by fan rotation. This
is normal.
When you use this purifier for the first
time, the parts inside the purifier body
smell, but this is normal.
Or, the filter deodorizing performance
may have deteriorated.
Or, odors may have adhered to the
humidifying filter. Clean the humidifying
filter. P.E-17-E-18
As the unit employs evaporation system that produces
moisturized air by passing air stream through the
humidifying filter, no vapor or mist is visible. This is normal.
The noise is produced by air bubble when water in the
water tank is supplied to the water tray. This is normal.
Humidity level is indicated as a guide
only. Also an environmental difference in
the room may cause different indications.
There is no problem in performance even if
the shutter is not fully opened. This is normal.
It is a switching sound of the shutter. This
is normal.
It is caused by vibration during operation.
This is normal.
The unit is in the demo mode. Unplug the
power cord once, wait for a few seconds,
and then insert the power plug into AC
outlet.
The signals from the remote controllers
are the same. Both functions respond.
This is normal.
When eco operation is selected, the fan
may stop. P.E-16
P.E-21
E-25