Hitachi EP-NZG70J, Инструкция по эксплуатации

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E-27
Troubleshooting Guide
T
roubleshooting Guide
Replacing the Filter
Before Requesting Repairs
Symptoms Check Solution
Air does not
come out or it
will not turn on

Is the power plug properly inserted in the outlet? Insert the power plug properly in the outlet.

Is the breaker switched off? Switch on breaker.

Did you turn on the “Power” button on the unit? Press the “Power” button to turn on.

Are the fi lter correctly installed in the unit? Install fi lter correctly in the unit. (P.E-14, E-15)
It cannot be
operated

Is the child lock set? Cancel the setting. (P.E-20)

Are there any water droplets or dust on the opera-
tion panel?
Wipe off with a soft cloth. (P.E-6, E-7)

Are you wearing any gloves or have bandages? Touch it directly.

Are you touching any other buttons? Touch one at a time.
The operation
stopped mid-
way

Are there any strong impact or is the unit tilted?
Make sure not to subject the unit to strong impacts.
Or place it in on a stable, even location.

Is it operating in “Absence” or “Eco Saving Opera-
tion” cycle?
Switch to other quick cycles.
(P.E-18, E-19)
The airfl ow rate does
not decrease even
though the air is clean

Is the airfl ow rate switched?
Touch Airfl ow Level button and select Auto or an-
other airfl ow rate.
(P.E-17)
The airfl ow
rate does not
increase even
though the air
is contaminat-
ed

Is the airfl ow rate switched?
Touch Airfl ow Level button and select Auto or an-
other airfl ow rate.
(P.E-17)

Is the odor sensor opening blocked by dust or any
other objects?
Clean the odor sensor. (P.E-24)

When the power plug is in the outlet, did the air
around become clean?
Switch the airfl ow rate. (P.E-17)
Or open a window, unplug the power plug from
the outlet when the surrounding air becomes
clean, and plug it in again after 10 seconds.
(P.E-22)
The air sen-
sor display
color does not
change from
green

Is the unit placed in a location where it cannot be
reached by odors and dust?
Try moving it to another location.

Is the dust sensor dirty?
Clean the dust sensor.
(P.E-24)

Is the odor sensor opening blocked by dust or any
other objects?
Clean the odor sensor.
(P.E-24)
The air sen-
sor display
color does not
change from
red

Is there anything nearby that the odor sensor may
detect?

Heating appliances that generate combustion gases

Alcohol, cosmetics, sprays, etc.
The purifier may detect components of invisible
gas that cannot be cleaned by the fi lter and still
continue operating.
Open a window for ventilation.
(P.E-22)

Is the dust sensor dirty?
Clean the dust sensor.
(P.E-24)

Is the odor sensor opening blocked by dust or any
other objects?
Clean the odor sensor.
(P.E-24)
It is hard to re-
move the smell
or the unit has
a smell

Is the pre-fi lter too dirty?
Refer to “Pre-fi lter” in “Cleaning” when cleaning
the pre-fi lter.
(P.E-23)

Is the fi lter dirty?
Or is it time to replace the fi lter?
Refer to “Replacing the Filter” when replacing
the fi lter.
Depending on the location or usage, the replace-
ment interval may be shorter.
(P.E-25)
The airfl ow rate
switched in the
middle of operation

Is it set in “Auto” airfl ow rate, or “Pollen” or “Eco
Saving Operation” quick cycles?
Switch airfl ow rate and quick cycle.
(P.E-17 - E-19)

Are the rear panel, fi lters correctly set? Set them correctly.
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