Alert Display; Troubleshooting Guide - Hitachi EP-A6000 Instruction Manual

Alert Display

All airflow indicators
Stop the operation, unplug the power cord from AC outlet and contact your dealer for service.

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
Airflow rate
does not
decrease even
though the air is
clean
Airflow rate
does not
increase even
though the air is
contaminated
"Air Sensor" indicator
is kept constantly lit
in green
"Air Sensor"
indicator is kept
blinking in green.
Symptom
are blinking.
check the following once again
Check to see
Is power plug securely inserted
into AC outlet?
Is breaker switched off?
Is the pre-filter dirty?
Is the filter dirty?
Are polarities of batteries
correct?
Are batteries dead?
Is the remote infrared receiver
dirty?
Is airflow rate switched?
Is the operation in the
"Humidify" mode?
Is sensor sensitivity high?
Is airflow rate switched?
Is odor sensor hole blocked by
dust or other obstacle?
Is sensor sensitivity low?
Was the ambient air clean when
the purifier power cord was
plugged into AC outlet?
Is the purifier installed in a place
out of reach of odor or dust?
Is odor sensor hole blocked by
dust or other obstacle?
Is the dust sensor covered with
dust?
Is odor sensor hole blocked by
dust or other obstacle?
Cause
Faulty fan rotation.
Solution
Securely insert the power plug into AC
outlet.
Switch on breaker.
Clean the pre-filter, referring to the "Pre-
filter" in "Cleaning".
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.
Press the airflow button and select Auto
Sensor or other airflow rate.
Airflow rate will not decrease when humidity
is low.
Change the sensor sensitivity
setting.
Press the airflow button and select Auto
Sensor or other airflow rate.
Clean the odor sensor.
Change the sensor sensitivity
setting.
Change the airflow rate. Or open a window
and plug the power cord into AC outlet
when ambient air is clean.
Relocate the air purifier.
Clean the odor sensor.
Clean the dust sensor.
Clean the odor sensor.
P. E- 21
P.E-23
P. E- 9
P. E- 9
P. E- 22
P. E- 11 ,E- 14
P. E- 16
P. E- 11 -E- 14
P. E- 22
P. E- 16
P. E- 15
P. E- 22
P. E- 22
E-25