Hitachi EP-L110E Instruction Manual page 48

Troubleshooting Guide
Humidifying
Symptoms
 Is the water supply indicator lit?
 Is the Filter Cleaning indicator lit?
 Is the Humidity Monitor displaying 70%?
The unit does
not humidify (the
humidity does
 Is the room too large or ventilated?
not increase)
 Is a heater used in the room?
 Is the airfl ow rate weak?
The humidi-
fying perfor-
mance is inad-  Is there any dust on the pre-fi lter?
equate
(Water in the
 Is the humidifying fi lter correctly set?
water tank
has not de-
creased)
 The humidifying performance varies depending on
Auto Self Clean
Symptoms
Auto Self Clean
 Is "ON" on the auto self clean display lit?
does not operate
Dust remains on
 Dust on the pre-fi lter may remain according to the
the pre-fi lter
The purifi er
makes a loud
sound after the
 Is the auto self clean unit attached on the rear
power is turned
on or before the
Auto Self Clean
operation.
E-48
Check
Or is it dirty with water scales?
the level of humidity and temperature of the room.
Check
use conditions and the type and amount of dust.
panel?
(Continued)
Solution
Fill the tank with water.
Refer to "When the Filter Cleaning Indicator
Comes On" in "Cleaning" when cleaning the hu-
midifying fi lter. (P.E-30 - E-33)
It automatically operates according to the humid-
ity level. (P.E-21)
The humidity may not increase depending on the
size of the room, the installation location, whether
windows are open or closed, and the state of
ventilation. Use the unit in combination with an-
other humidifi er.
Depending on the heater used, the air in the
room may become dry, causing the humidity to
not increase. Use the unit in combination with an-
other humidifi er.
When the "Medium" or "Silent" airfl ow rate is se-
lected, the humidifying performance is lessened.
Set the airfl ow rate to "High" or "Max".
(P.E-21)
Refer to "Pre-filter" in "Cleaning" when cleaning
the pre-fi lter.
(P.E-40)
Set the humidifying fi lter correctly.
(P.E-32)
Clean or replace the humidifying fi lter if it is dirty.
(P.E-30 - E-33)
If the humidity level is high, such as on a rainy
day, or if the temperature of the room is low, the
humidifying performance decreases.
Solution
Change the Auto Self Clean setting to On.
(P.E-26)
Clean the pre-fi lter.
(P.E-40)
If the rear panel is not attached, the operation
sound becomes louder for several minutes while
trying to detect the auto self clean unit.
Attach the auto self clean unit. Or, use the air pu-
rifi er without setting Auto Self Clean.
(P.E-33, E-34)
(P.E-26)