Hitachi EP-A7000 用户手册

E-26

Troubleshooting Guide

(Continued)

Symptom

Solution

Check to see

Humidifying
performance is
inadequate when
operated in the
“Humidify” mode

Is the airflow rate set to “Auto”?

Depending on the place of installation and
conditions of use, water may not be consumed.
Set the operation mode to “Skin Moisturize”
and the airflow rate to “High” or “Max”.

Set the humidifying filter properly. If it is
dirty, clean or replace it.

Discharge water and then operate.

Is there water in the water tank

and water tray?

Drain the humidifying filter.

Is the humidifying filter wet with

water?

When operated in “Air
Purify”, “Pollen” or
“Strong Deodorization”
mode, air is humidified

Is the pre-filter or the filter

dirty?

Is the humidifying filter set

properly, or is it dirty?

Clean the pre-filter, referring to
“Pre-filter” in “Cleaning”.

P.E-21

Water leaks

Is the water tank set properly?

Set the water tank properly.

Is the tank cap closed firmly, or

the tank cap packing set securely?

Is the water tray cover closed

properly?

Close the tank cap firmly.

Close the water tray cover properly.

Is the humidifying filter set

securely?

Set the humidifying filter securely.

Is the purifier tilted, or was it

carried with water in the tank?

Is there an opening in the water

tank or water tray?

Place the purifier on a level, stable surface.
Avoid carrying the purifier with water in the tank.

Stop using the purifier immediately and
contact your dealer for repair.

Is there any leakage from the

water tank?

Stop using the purifier immediately and
contact your dealer for repair.

Indicator is dim

Is dimmer control activated?

Cancel the dimmer control setting.

The “Clean Humidifying
Filter” indicator does
not go off

Was the reset button pressed

after cleaning?

Press the reset button.

P.E-9

P.E-17

P.E-18

P.E-18-E-20

No humidifying
effect

Is the operation in any of the “Air Purify”,

“Pollen” or “Strong Deodorization” mode?

Change the operation mode to the “Humidify”
or “Skin Moisturize” mode.

Is the humidifying filter dirty?

Clean or replace the humidifying filter,
referring to the “Humidifying Filter” in “
Cleaning”.

Is there water in the water tank?

Fill the water tank with water.

E-

“Air Sensor”
indicator is
kept blinking in
green.

Is there anything nearby that the

odor sensor might sense?

Any appliance generating combustion gas
Alcohol, cosmetics, sprays, etc.

Purifier may sense invisible gas component
that cannot be cleaned by filter and
continue operation. Ventilate the room by
opening window, etc.

Is odor sensor hole blocked by

dust or other obstacle?

Clean the odor sensor.

E-

P.E-11,E-12

T_S-EP-A7000.indd 26

12/7/2011 2:48:11 PM