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E-25
Troubleshooting Guide
Symptom Cause
Following Conditions Are Normal
Electric components are energized when
power is supplied. This is normal.
Snapping noise when plugging power cord
into AC outlet
Vibration is caused by fan rotation. This
is normal.
Purifier body vibration during the “Max” operation
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.
No vapor or mist visible
The noise is produced by air bubble when water in the
water tank is supplied to the water tray. This is normal.
Bubbling noise
Humidity level is indicated as a guide
only. Also an environmental difference in
the room may cause different indications.
Humidity level indication differs from hygrometer
reading
There is no problem in performance even if
the shutter is not fully opened. This is normal.
Shutter is stopped midway
It is a switching sound of the shutter. This
is normal.
Clicking noise during operation
It is caused by vibration during operation.
This is normal.
Rocking water surface in the water tank
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.
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.
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. P.E-21
Or, odors may have adhered to the
humidifying filter. Clean the humidifying
filter. P.E-17-E-18
The air from the air outlet smells.
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
The fan is stopped.
T_S-EP-A5000.indd 25T_S-EP-A5000.indd 25 11/14/2011 1:58:38 PM11/14/2011 1:58:38 PM