Troubleshooting Guide; Replacement Parts - Hitachi EP-A3000 Instruction Manual

Troubleshooting Guide

Before asking for repair
Symptom
No air blows out
or power does not
turn on
Smoke or smell
is not efficiently
removed, or there
is an odor
No remote
operation
The airflow rate
will not decrease
though the Auto
Mode is selected
and air in the room
is clean.
The airflow rate will not
increase though the Auto
Mode is selected and air in
the room is contaminated.
Following Conditions Are Normal
The fan is rotating though the Auto Mode is
selected and the airflow indicator is out.
Snapping noise when plugging power cord into
AC outlet
Purifier body vibration during the "Max" operation

Replacement Parts

Filter
Designate the replacement part
No. EP-DX40E-902 when ordering.
E-14
EP-A3000.indd 14
check the following once again
Check to see
Is power plug securely inserted into
AC outlet?
Is breaker switched off?
Is the filter dirty?
Are polarities of batteries correct?
Are batteries dead?
Is the remote infrared receiver
dirty?
Is there anything nearby that the
odor sensor might sense?
For example,
Any appliance generating
combustion gas
Alcohol, cosmetics, sprays, etc.
Is the odor sensor blocked by any
obstacle?
Was the ambient air clean when
the purifier power cord was
plugged into AC outlet?
Symptom
Solution
Securely insert the power plug into AC
outlet.
Switch on breaker.
Replace the filter, referring to the "Filter
Replacement". The filter may need to be
replaced sooner depending on the place
of installation and
conditions of use.
Insert the batteries with correct
polarities.
Replace the batteries.
Clean the remote infrared receiver.
Purifier may sense invisible gas
component that cannot be cleaned by
filter and continue operation. Ventilate the
room by opening window, etc.
Refer to "Odor Sensor" and check if
there is anything is detected by the
sensor.
Remove the obstacle.
Change the airflow rate. Or open a
window and plug the power cord into
AC outlet when ambient
air is clean.
The unit is running in the Auto Mode
and operation is on standby.
This is normal.
Electric current flows to electric
components such as the odor sensor
at the same time power is turned ON.
This is normal.
Vibration is caused by fan rotation. This
is normal.
(Separately Available)
Pre-filter
Designate the replacement part
No. EP-BX40-002 when ordering.
P.E-13
P.E-7
P.E-7
P.E-11
P.E-9
Cause
11/18/2011 8:40:41 AM