Hitachi EP-A7000 Troubleshooting Guide Continued, No humidifying effect, Symptom, Check to see

P.E-18-E-20

P.E-19

P.E-11

P.E-22

P.E-9

P.E-15

Troubleshooting Guide (Continued)

Symptom

“Air Sensor” indicator is kept blinking in green.

No humidifying effect

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

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

Water leaks

Indicator is dim

The “Clean Humidifying Filter” indicator does not go off

Check to see

Is there anything nearby that the odor sensor might sense?

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

Is odor sensor hole blocked by dust or other obstacle?

Is there water in the water tank?

Is the operation in any of the “Air Purify”, “Pollen” or “Strong Deodorization” mode?

Is the humidifying filter dirty?

Is the airflow rate set to “Auto”?

Is the pre-filter or the filter dirty?

Is the humidifying filter set properly, or is it dirty?

Is there water in the water tank and water tray?

Is the humidifying filter wet with water?

Is the water tank set properly?

Is the tank cap closed firmly, or the tank cap packing set securely?

Is the water tray cover closed properly?

Is the humidifying filter set 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?

Is there any leakage from the water tank?

Is dimmer control activated?

Was the reset button pressed after cleaning?

Solution

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

Clean the odor sensor.

Fill the water tank with water.

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

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

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”.

P.E-11,E-12

Clean the pre-filter, referring to

“Pre-filter” in “Cleaning”.

P.E-21

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

Discharge water and then operate.

Drain the humidifying filter.

Set the water tank properly.

P.E-9

Close the tank cap firmly.

P.E-9

Close the water tray cover properly.

Set the humidifying filter securely.

P.E-18

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.

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

Cancel the dimmer control setting. P.E-17

Press the reset button.

P.E-18

E-26